# General Information, Facts & Tables [Mathematical Constants]

Overview

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The table below lists the most common math / geometry constants.

Mathematical Constants

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 Symbol Name & Description Value e mathematical constant "e" 2.718 281 828 459 045 235 360 287 471 352 f "phi" Golden ratio 1.618 033 988 749 894 848 204 586 834 365 p "pi" ratio of a circles circumference to its diameter 3.141 592 653 589 793 238 462 643 383 279 2p 2 * "pi" 6.283 185 307 179 586 476 925 286 766 559 3p 3 * "pi" 9.424 777 960 769 379 715 387 930 149 838 4p 4 * t "pi" 12.566 370 614 359 172 953 850 573 533 118 p/2 "pi" / 2 1.570 796 326 794 896 619 231 321 691 639 p/3 "pi" / 3 1.047 197 551 196 597 746 154 214 461 093 p/4 "pi" / 4 0.785 398 163 397 448 309 615 660 845 819 p2 "pi" squared 9.869 604 401 089 358 618 834 490 999 876 (2p)2 (2 * "pi") squared 39.478 417 604 357 434 475 337 963 999 505 p3 "pi" cubed 31.006 276 680 299 820 175 476 315 067 101 1/p reciprocal of "pi" 0.318 309 886 183 790 671 537 767 526 745 1/p2 reciprocal of mathematical constant "pi squared 0.101 321 183 642 337 771 443 879 463 209 Öp square root of "pi" 1.772 453 850 905 516 027 298 167 483 341 e natural (Napierian) logarithm 2.718 281 828 459 045 235 360 287 471 352 log10 e logarithm of 10 base e 0.434 294 481 903 251 827 651 128 918 916 1/e reciprocal of natural (Napierian) logarithm 0.367 879 441 171 442 321 595 523 770 161 log ep logarithm of e base "pi" 1.144 729 885 849 400 174 143 427 351 353 log10p logarithm of 10 base "pi". 0.497 149 872 694 133 854 351 268 288 290 Ö2 square root of 2 1.414 213 562 373 095 048 801 688 724 209 Ö3 square root of 3 1.732 050 807 568 877 293 527 446 341 505 1/Ö2 reciprocal of square root of 2 0.707 106 781 186 547 524 400 844 362 104 1/Ö3 reciprocal of square root of 3 0.577 350 269 189 625 764 509 148 780 501 log p logarithm of "pi" 0.497 149 872 694 133 854 351 268 288 290 log p2 logarithm of "pi" squared 0.994 299 745 388 267 708 702 536 576 581 log Öp logarithm of the square root of pi 0.248 574 936 347 066 927 175 634 144 145 log p/2 logarithm of "pi" divided by 2 0.196 119 877 030 152 659 137 529 393 566

Notes

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The symbols in the first column require that the font "Symbol" is installed.