31781039742000

Names of 31781039742000

• Cardinal: 31781039742000 can be written as Thirty-one trillion, seven hundred eighty-one billion, thirty-nine million, seven hundred forty-two thousand.

Scientific notation

• Scientific notation: 3.1781039742 × 10¹³

Factors of 31781039742000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 42617

Divisors of 31781039742000

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 34 36 40 45 48 50 51 54 60 68 72 75 80 85 90 100 102 108 120 125 135 136 144 150 153 170 180 200 204 216 225 240 250 255 270 272 300 306 340 360 375 400 408 425 432 450 459 500 510 540 600 612 675 680 720 750 765 816 829 850 900 918 1000 1020 1080 1125 1200 1224 1275 1350 1360 1500 1530 1658 1700 1800 1836 2000 2040 2125 2160 2250 2295 2448 2487 2550 2700 3000 3060 3316 3375 3400 3600 3672 3825 4080 4145 4250 4500 4590 4974 5100 5400 6000 6120 6375 6632 6750 6800 7344 7461 7650 8290 8500 9000 9180 9948 10200 10800 11475 12240 12435 12750 13264 13500 14093 14922 15300 16580 17000 18000 18360 19125 19896 20400 20725 22383 22950 24870 25500 27000 28186 29844 30600 33160 34000 36720 37305 38250 39792 41450 41761 42279 44766 45900 49740 51000 54000 56372 57375 59688 61200 62175 66320 70465 74610 76500 82900 83522 84558 89532 91800 99480 102000 103625 111915 112744 114750 119376 124350 125283 126837 140930 149220 153000 165800 167044 169116 179064 183600 186525 198960 207250 208805 211395 223830 225488 229500 248700 250566 253674 281860 298440 306000 310875 331600 334088 338232 352325 358128 373050 375849 380511 414500 417610 422790 447660 459000 497400 501132 507348 559575 563720 596880 621750 626415 634185 668176 676464 704650 709937 746100 751698 761022 829000 835220 845580 895320 918000 932625 994800 1002264 1014696 1044025 1056975 1119150 1127440 1127547 1243500 1252830 1268370 1409300 1419874 1492200 1503396 1522044 1658000 1670440 1691160 1761625 1790640 1865250 1879245 1902555 2004528 2029392 2088050 2113950 2129811 2238300 2255094 2487000 2505660 2536740 2797875 2818600 2839748 2984400 3006792 3044088 3132075 3170925 3340880 3382320 3523250 3549685 3730500 3758490 3805110 4176100 4227900 4259622 4476600 4510188 4974000 5011320 5073480 5220125 5284875 5595750 5637200 5637735 5679496 6013584 6088176 6264150 6341850 6389433 7046500 7099370 7461000 7516980 7610220 8352200 8455800 8519244 8953200 9020376 9396225 9512775 10022640 10146960 10440250 10569750 10649055 11191500 11275470 11358992 12528300 12683700 12778866 14093000 14198740 14922000 15033960 15220440 15660375 15854625 16704400 16911600 17038488 17748425 18040752 18792450 19025550 19168299 20880500 21139500 21298110 22383000 22550940 25056600 25367400 25557732 28186000 28188675 28397480 30067920 30440880 31320750 31709250 31947165 34076976 34619869 35496850 37584900 38051100 38336598 41761000 42279000 42596220 44766000 45101880 46981125 47563875 50113200 50734800 51115464 53245275 56377350 56794960 62641500 63418500 63894330 69239738 70993700 75169800 76102200 76673196 83522000 84558000 85192440 88742125 90203760 93962250 95127750 95841495 102230928 103859607 106490550 112754700 125283000 126837000 127788660 138479476 140943375 141987400 150339600 152204400 153346392 159735825 170384880 173099345 177484250 187924500 190255500 191682990 207719214 212981100 225509400 250566000 253674000 255577320 266226375 276958952 281886750 283974800 306692784 311578821 319471650 346198690 354968500 375849000 380511000 383365980 415438428 425962200 451018800 479207475 511154640 519298035 532452750 553917904 563773500 588537773 623157642 638943300 692397380 709937000 751698000 761022000 766731960 798679125 830876856 851924400 865496725 934736463 958414950 1038596070 1064905500 1127547000 1177075546 1246315284 1277886600 1384794760 1419874000 1533463920 1557894105 1597358250 1661753712 1730993450 1765613319 1869472926 1916829900 2077192140 2129811000 2255094000 2354151092 2396037375 2492630568 2555773200 2596490175 2769589520 2942688865 3115788210 3194716500 3461986900 3531226638 3738945852 3833659800 4154384280 4259622000 4327483625 4673682315 4708302184 4792074750 4985261136 5192980350 5296839957 5885377730 6231576420 6389433000 6923973800 7062453276 7477891704 7667319600 7789470525 8308768560 8654967250 8828066595 9347364630 9416604368 9584149500 10385960700 10593679914 11770755460 12463152840 12778866000 12982450875 13847947600 14124906552 14713444325 14955783408 15578941050 15890519871 17309934500 17656133190 18694729260 19168299000 20771921400 21187359828 23368411575 23541510920 24926305680 25964901750 26484199785 28249813104 29426888650 31157882100 31781039742 34619869000 35312266380 37389458520 38336598000 38947352625 41543842800 42374719656 44140332975 46736823150 47083021840 51929803500 52968399570 58853777300 62315764200 63562079484 69239738000 70624532760 73567221625 74778917040 77894705250 79452599355 84749439312 88280665950 93473646300 103859607000 105936799140 116842057875 117707554600 124631528400 127124158968 132420998925 141249065520 147134443250 155789410500 158905198710 176561331900 186947292600 207719214000 211873598280 220701664875 233684115750 235415109200 254248317936 264841997850 294268886500 311578821000 317810397420 353122663800 373894585200 397262996775 423747196560 441403329750 467368231500 529683995700 588537773000 623157642000 635620794840 662104994625 706245327600 794525993550 882806659500 934736463000 1059367991400 1177075546000 1271241589680 1324209989250 1589051987100 1765613319000 1869472926000 1986314983875 2118735982800 2648419978500 3178103974200 3531226638000 3972629967750 5296839957000 6356207948400 7945259935500 10593679914000 15890519871000 31781039742000
• Sum of all divisors σ(n): 120691912723200
• Sum of proper divisors (its aliquot sum) s(n): 88910872981200
• 31781039742000 is an abundant number, because the sum of its proper divisors (88910872981200) is greater than itself. Its abundance is 57129833239200

Bases of 31781039742000

• Binary: 111001110011110011001100101011001110000110000₂
• Hexadecimal: 0x1CE799959C30
• Base-36: B9K0AI0C0

Squares and roots of 31781039742000

• 31781039742000 squared (31781039742000²) is 1010034487082583426564000000
• 31781039742000 cubed (31781039742000³) is 32099946174762169515661022506488000000000
• The square root of 31781039742000 is 5637467.4936535111
• The cube root of 31781039742000 is 31675.4432187045

Scales and comparisons

• 31,781,039,742,000 seconds is equal to 1,010,538 years, 39 weeks, 3 days, 3 hours.
• To count from 1 to 31,781,039,742,000 would take you about two million, five hundred twenty-six thousand, three hundred forty-six 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 31781039742000 cubic inches would be around 2639.6 feet tall.

Recreational maths with 31781039742000

• 31781039742000 backwards is 00024793018713
• 31781039742000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31781039742000's digits is 45
• More coming soon!