64443688697640

Names of 64443688697640

• Cardinal: 64443688697640 can be written as Sixty-four trillion, four hundred forty-three billion, six hundred eighty-eight million, six hundred ninety-seven thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.444368869764 × 10¹³

Factors of 64443688697640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 46534

Divisors of 64443688697640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 257 280 294 392 420 490 514 588 735 771 840 941 980 1028 1176 1285 1470 1542 1799 1882 1960 2056 2570 2823 2940 3084 3598 3764 3855 4705 5140 5397 5646 5880 6168 6587 7196 7528 7710 8995 9410 10280 10794 11292 12593 13174 14115 14392 15420 17990 18820 19761 21588 22584 25186 26348 26985 28230 30840 32935 35980 37640 37779 39522 43176 45319 46109 50372 52696 53970 56460 62965 65870 71960 75558 79044 90638 92218 98805 100744 107940 112920 125930 131740 135957 138327 151116 158088 181276 184436 188895 197610 215880 226595 230545 241837 251860 263480 271914 276654 302232 317233 362552 368872 377790 395220 453190 461090 483674 503720 543828 553308 634466 679785 691635 725511 755580 790440 906380 922180 951699 967348 1087656 1106616 1209185 1268932 1359570 1383270 1451022 1511160 1586165 1692859 1812760 1844360 1903398 1934696 2220631 2418370 2537864 2719140 2766540 2902044 3172330 3385718 3627555 3806796 4441262 4758495 4836740 5078577 5438280 5533080 5804088 6344660 6661893 6771436 7255110 7613592 8464295 8882524 9516990 9673480 10157154 11103155 11646983 11850013 12689320 13323786 13542872 14510220 16928590 17765048 19033980 20314308 22206310 23293966 23700026 25392885 26647572 29020440 33309465 33857180 34940949 35550039 38067960 40628616 42645179 44412620 46587932 47400052 50785770 53295144 58234915 59250065 66618930 67714360 69881898 71100078 81528881 85290358 88825240 93175864 94800104 101571540 116469830 118500130 127935537 133237860 139763796 142200156 163057762 170580716 174704745 177750195 203143080 213225895 232939660 237000260 244586643 255871074 266475720 279527592 284400312 298516253 326115524 341161432 349409490 355500390 407644405 426451790 465879320 474000520 489173286 511742148 570702167 597032506 639677685 652231048 698818980 711000780 815288810 852903580 895548759 978346572 1023484296 1141404334 1194065012 1222933215 1279355370 1397637960 1422001560 1492581265 1630577620 1705807160 1712106501 1791097518 1956693144 2089613771 2282808668 2388130024 2445866430 2558710740 2853510835 2985162530 3261155240 3424213002 3582195036 4179227542 4477743795 4565617336 4891732860 5117421480 5707021670 5970325060 6268841313 6848426004 7164390072 8358455084 8560532505 8955487590 9783465720 10448068855 10959811003 11414043340 11940650120 12537682626 13696852008 16716910168 17121065010 17910975180 20896137710 21919622006 22828086680 25075365252 31344206565 32879433009 34242130020 35821950360 41792275420 43839244012 50150730504 54799055015 62688413130 65758866018 68484260040 76718677021 83584550840 87678488024 109598110030 125376826260 131517732036 153437354042 164397165045 219196220060 230156031063 250753652520 263035464072 306874708084 328794330090 383593385105 438392440120 460312062126 537030739147 613749416168 657588660180 767186770210 920624124252 1074061478294 1150780155315 1315177320360 1534373540420 1611092217441 1841248248504 2148122956588 2301560310630 2685153695735 3068747080840 3222184434882 4296245913176 4603120621260 5370307391470 6444368869764 8055461087205 9206241242520 10740614782940 12888737739528 16110922174410 21481229565880 32221844348820 64443688697640
• Sum of all divisors σ(n): 226015313990400
• Sum of proper divisors (its aliquot sum) s(n): 161571625292760
• 64443688697640 is an abundant number, because the sum of its proper divisors (161571625292760) is greater than itself. Its abundance is 97127936595120

Bases of 64443688697640

• Binary: 1110101001110001110111001011000011111100101000₂
• Hexadecimal: 0x3A9C772C3F28
• Base-36: MUD0SD3JC

Squares and roots of 64443688697640

• 64443688697640 squared (64443688697640²) is 4152989012958333479341569600
• 64443688697640 cubed (64443688697640³) is 267633931115806054742894325260537415744000
• The square root of 64443688697640 is 8027682.6480398439
• The cube root of 64443688697640 is 40092.2223578537

Scales and comparisons

• 64,443,688,697,640 seconds is equal to 2,049,109 years, 50 weeks, 14 hours, 14 minutes.
• To count from 1 to 64,443,688,697,640 would take you about five million, one hundred twenty-two thousand, seven hundred seventy-four 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 64443688697640 cubic inches would be around 3341 feet tall.

Recreational maths with 64443688697640

• 64443688697640 backwards is 04679688634446
• The number of decimal digits it has is: 14
• The sum of 64443688697640's digits is 75
• More coming soon!