31940145666

Names of 31940145666

• Cardinal: 31940145666 can be written as Thirty-one billion, nine hundred forty million, one hundred forty-five thousand, six hundred sixty-six.

Scientific notation

• Scientific notation: 3.1940145666 × 10¹⁰

Factors of 31940145666

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 220

Divisors of 31940145666

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 6 9 11 13 17 18 22 26 27 33 34 39 51 54 66 73 78 81 99 101 102 117 121 143 146 153 162 187 198 202 219 221 234 242 286 297 303 306 351 363 374 429 438 442 459 561 594 606 657 663 702 726 803 858 891 909 918 949 1053 1089 1111 1122 1241 1287 1313 1314 1326 1377 1573 1606 1683 1717 1782 1818 1898 1971 1989 2057 2106 2178 2222 2409 2431 2482 2574 2626 2727 2754 2847 3146 3267 3333 3366 3434 3723 3861 3939 3942 3978 4114 4719 4818 4862 5049 5151 5454 5694 5913 5967 6171 6534 6666 7227 7293 7373 7446 7722 7878 8181 8541 8833 9438 9801 9999 10098 10302 10439 11169 11583 11817 11826 11934 12221 12342 13651 14157 14443 14454 14586 14746 15147 15453 16133 16362 17082 17666 17901 18513 18887 19602 19998 20878 21681 21879 22119 22321 22338 23166 23634 24442 25623 26499 26741 27302 28314 28886 29997 30294 30906 31317 32266 33507 35451 35802 36663 37026 37774 40953 42471 43329 43362 43758 44238 44642 46359 48399 51246 52998 53482 55539 56661 59994 62634 65043 65637 66357 66963 67014 70902 73326 76869 79497 80223 81103 81906 84942 86658 89991 92718 93951 95849 96798 100521 106353 109989 111078 113322 114829 122859 125341 127413 129987 130086 131274 132714 133926 139077 145197 150161 153738 158873 158994 160446 162206 166617 169983 177463 179982 187902 191698 196911 199071 200889 201042 207757 212706 219978 229658 238491 240669 243309 245531 245718 250682 254826 259974 278154 281853 287547 290394 300322 317746 329967 333234 339966 344487 354926 368577 376023 389961 393822 398142 401778 415514 435591 450483 476619 476982 481338 486618 491062 509949 532389 563706 575094 597213 602667 623271 659934 688974 715473 722007 729927 736593 737154 752046 779922 845559 862641 871182 892133 900966 953238 989901 1019898 1033461 1054339 1064778 1105731 1128069 1169883 1194426 1205334 1246542 1306773 1351449 1378751 1429857 1430946 1444014 1459854 1473186 1529847 1597167 1629433 1691118 1725282 1784266 1808001 1869813 1952093 1979802 2066922 2108678 2166021 2189781 2209779 2211462 2256138 2339766 2587923 2613546 2676399 2700841 2702898 2757502 2859714 3059694 3100383 3163017 3194334 3258866 3384207 3616002 3739626 3904186 4054347 4136253 4289571 4332042 4379562 4419558 4791501 4888299 5175846 5352798 5401682 5609439 5856279 6200766 6326034 6569343 6629337 6768414 7763769 8029197 8102523 8108694 8272506 8579142 9301149 9489051 9583002 9776598 10152621 11218878 11597729 11712558 12163041 12408759 12868713 13138686 13258674 14374503 14664897 15166261 15527538 16058394 16205046 16828317 17568837 17923763 18602298 18978102 19888011 20305242 23195458 24087591 24307569 24326082 24817518 25737426 28467153 28749006 29329794 30332522 33656634 34793187 35137674 35847526 37226277 39776022 43994691 45498783 48175182 48615138 52706511 53771289 56934306 69586374 72262773 72922707 74452554 85401459 87989382 90997566 104379561 105413022 107542578 111678831 131984073 136496349 144525546 145845414 158119533 161313867 170802918 197161393 208759122 218768121 223357662 263968146 272992698 313138683 316239066 322627734 394322786 409489047 437536242 483941601 591484179 626277366 818978094 939416049 967883202 1182968358 1228467141 1451824803 1774452537 1878832098 2456934282 2903649606 3548905074 5323357611 10646715222 15970072833 31940145666
• Sum of all divisors σ(n): 91831292784
• Sum of proper divisors (its aliquot sum) s(n): 59891147118
• 31940145666 is an abundant number, because the sum of its proper divisors (59891147118) is greater than itself. Its abundance is 27951001452

Bases of 31940145666

• Binary: 11101101111110001111111001000000010₂
• Hexadecimal: 0x76FC7F202
• Base-36: EO8C64I

Squares and roots of 31940145666

• 31940145666 squared (31940145666²) is 1020172905165298583556
• 31940145666 cubed (31940145666³) is 32584471195486040567162112268296
• The square root of 31940145666 is 178718.0619467433
• The cube root of 31940145666 is 3172.8214344939

Scales and comparisons

• 31,940,145,666 seconds is equal to 1,015 years, 31 weeks, 14 hours, 41 minutes, 6 seconds.
• To count from 1 to 31,940,145,666 would take you about two thousand and thirty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31940145666 cubic inches would be around 264.4 feet tall.

Recreational maths with 31940145666

• 31940145666 backwards is 66654104913
• The number of decimal digits it has is: 11
• The sum of 31940145666's digits is 45
• More coming soon!