31818638795139

Names of 31818638795139

• Cardinal: 31818638795139 can be written as Thirty-one trillion, eight hundred eighteen billion, six hundred thirty-eight million, seven hundred ninety-five thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 3.1818638795139 × 10¹³

Factors of 31818638795139

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 763

Divisors of 31818638795139

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 21 31 43 49 63 89 93 129 147 217 267 279 283 301 307 343 387 441 623 651 801 849 903 921 1029 1333 1519 1869 1953 1981 2107 2149 2547 2709 2759 2763 3087 3827 3999 4361 4557 5607 5943 6321 6447 8277 8773 9331 9517 10633 11481 11997 12169 13083 13201 13671 13867 14749 15043 17829 18963 19313 19341 24831 25187 26319 26789 27323 27993 28551 30527 31899 34443 36507 39249 39603 41601 44247 45129 57939 61411 65317 66619 75561 78957 80367 81969 83979 85183 85653 86881 91581 92407 95697 97069 105301 109521 118637 118809 124803 132741 135191 135387 173817 176309 184233 187523 191261 195951 199857 226683 241101 245907 255549 260643 274743 277221 291207 315903 355911 377239 405573 409231 429877 457219 466333 528927 552699 562569 573783 587853 596281 599571 608167 646849 766647 780797 781929 830459 831663 847013 873621 946337 947709 1067733 1083041 1131717 1174889 1216719 1227693 1234163 1289631 1312661 1338827 1371657 1398999 1586781 1687707 1721349 1788843 1824501 1940547 2342391 2491377 2541039 2640673 2693311 2839011 2864617 3009139 3249123 3264331 3395151 3524667 3683079 3702489 3735883 3868893 3937983 4016481 4114971 4173967 4196997 4257169 4527943 5366529 5465579 5473503 5813213 5821641 5929091 7027173 7474131 7581287 7623117 7732409 7922019 8079933 8224223 8517033 8593851 8639141 9027417 9371789 9747369 9792993 10574001 11107467 11207649 11813949 12049443 12521901 12771507 13583829 16396737 17439639 17787273 18484711 18853177 20052319 22743861 23197227 23766057 24239799 24672669 25781553 25917423 26151181 27082251 28115367 29378979 29800183 33574271 33622947 36421559 37565703 38259053 38314521 40692491 40751487 41503637 49190211 52318917 53069009 53361819 54126863 55454133 56559531 57569561 60156957 68231583 69591681 74018007 77752269 78453543 84346101 89400549 100722813 109264677 114777159 115812373 122077473 124510911 129392977 131972239 140366233 159207027 162380589 166362399 169678593 172708683 180470871 183058267 235019897 235360629 239704679 254950913 267813371 268201647 290525459 302168439 327794031 332493587 344331477 347437119 366232419 371483063 373532733 378888041 388178931 395916717 402986927 421098699 477621081 487141767 518126049 549174801 705059691 719114037 764852739 803440113 810686611 871576377 923805673 997480761 1042311357 1114449189 1136664123 1164536793 1187750151 1208960781 1263296097 1281407869 1645139279 1647524403 1677932753 1784656391 2115179073 2157342111 2294558217 2327455109 2410320339 2432059833 2614729131 2652216287 2771417019 2992442283 3343347567 3409992369 3626882343 3844223607 4935417837 5033798259 5353969173 5674806277 6982365327 7296179499 7956648861 8314251057 10307301197 11515974953 11532670821 11745529271 12492594737 14806253511 15101394777 16061907519 16292185763 17024418831 20947095981 23869946583 30921903591 34547924859 35236587813 37477784211 39723643939 48876557289 51073256493 72151108379 82218704897 92765710773 103643774577 105709763439 112433352633 114045300341 119170931817 146629671867 216453325137 246656114691 342135901023 357512795451 505057758653 649359975411 739968344073 1026407703069 1515173275959 3535404310571 4545519827877 10606212931713 31818638795139
• Sum of all divisors σ(n): 57639149568000
• Sum of proper divisors (its aliquot sum) s(n): 25820510772861
• 31818638795139 is a deficient number, because the sum of its proper divisors (25820510772861) is less than itself. Its deficiency is 5998128022278

Bases of 31818638795139

• Binary: 111001111000001011010101010011010000110000011₂
• Hexadecimal: 0x1CF05AA9A183
• Base-36: BA1A407ER

Squares and roots of 31818638795139

• 31818638795139 squared (31818638795139²) is 1012425774775524633610029321
• 31818638795139 cubed (31818638795139³) is 32214010034471167706156037778329902270619
• The square root of 31818638795139 is 5640801.2547100965
• The cube root of 31818638795139 is 31687.9296710779

Scales and comparisons

• 31,818,638,795,139 seconds is equal to 1,011,734 years, 15 weeks, 1 day, 8 hours, 25 minutes, 39 seconds.
• To count from 1 to 31,818,638,795,139 would take you about two million, five hundred twenty-nine thousand, three hundred thirty-five 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 31818638795139 cubic inches would be around 2640.7 feet tall.

Recreational maths with 31818638795139

• 31818638795139 backwards is 93159783681813
• The number of decimal digits it has is: 14
• The sum of 31818638795139's digits is 72
• More coming soon!