78964640057997990

Names of 78964640057997990

• Cardinal: 78964640057997990 can be written as Seventy-eight quadrillion, nine hundred sixty-four trillion, six hundred forty billion, fifty-seven million, nine hundred ninety-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 7.896464005799799 × 10¹⁶

Factors of 78964640057997990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3229

Divisors of 78964640057997990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 53 54 90 106 135 159 265 270 318 477 530 795 954 1187 1431 1590 1979 2374 2385 2862 3561 3958 4770 5935 5937 7122 7155 9895 10683 11870 11874 14310 17805 17811 19790 21366 29685 32049 35610 35622 53415 53433 59370 62911 64098 89055 104887 106830 106866 125822 160245 178110 188733 209774 267165 314555 314661 320490 377466 524435 534330 566199 629110 629322 943665 943983 1048870 1132398 1408969 1573305 1698597 1887330 1887966 2349073 2817938 2830995 2831949 3146610 3397194 3916441 4226907 4698146 4719915 5661990 5663898 7044845 7047219 7832882 8453814 8492985 9439830 11745365 11749323 12680721 14089690 14094438 14159745 16985970 19582205 21134535 21141657 23490730 23498646 25361442 28319490 35236095 35247969 38042163 39164410 42269070 42283314 58746615 63403605 63424971 70472190 70495938 74675357 76084326 105708285 105743907 117493230 124500869 126807210 126849942 149350714 176239845 190210815 207571373 211416570 211487814 224026071 249001738 317124855 352479690 373376785 373502607 380421630 415142746 448052142 528719535 622504345 622714119 634249710 672078213 746753570 747005214 1037856865 1057439070 1120130355 1120507821 1245008690 1245428238 1344156426 1867513035 1868142357 2016234639 2075713730 2240260710 2241015642 2788349651 3113570595 3360391065 3361523463 3735026070 3736284714 4032469278 4648815467 5576699302 5602539105 5604427071 6227141190 6720782130 6723046926 8365048953 9297630934 9340711785 10081173195 11205078210 11208854142 13941748255 13946446401 16730097906 16807617315 18681423570 20162346390 23244077335 25095146859 27883496510 27892892802 28022135355 33615234630 41825244765 41839339203 46488154670 50190293718 56044270710 69732232005 75285440577 83650489530 83678678406 125475734295 125518017609 139464464010 147782531503 150570881154 209196696015 246387219751 250951468590 251036035218 295565063006 376427202885 418393392030 443347594509 492774439502 627590088045 738912657515 739161659253 752854405770 886695189018 1231936098755 1255180176090 1330042783527 1477825315030 1478323318506 2216737972545 2217484977759 2463872197510 2660085567054 3695808296265 3990128350581 4433475945090 4434969955518 5518143959329 6650213917635 6652454933277 7391616592530 7980256701162 11036287918658 11087424888795 13300427835270 13304909866554 16554431877987 19950641752905 22174849777590 27590719796645 33108863755974 33262274666385 39901283505810 49663295633961 55181439593290 66524549332770 82772159389935 99326591267922 148989886901883 165544318779870 248316478169805 292461629844437 297979773803766 496632956339610 584923259688874 744949434509415 877384889533311 1462308149222185 1489898869018830 1754769779066622 2632154668599933 2924616298444370 4386924447666555 5264309337199866 7896464005799799 8773848895333110 13160773342999665 15792928011599598 26321546685999330 39482320028998995 78964640057997990
• Sum of all divisors σ(n): 214834892625531360
• Sum of proper divisors (its aliquot sum) s(n): 135870252567533370
• 78964640057997990 is an abundant number, because the sum of its proper divisors (135870252567533370) is greater than itself. Its abundance is 56905612509535380

Bases of 78964640057997990

• Binary: 100011000100010011110101111111000011110010011101010100110₂
• Hexadecimal: 0x11889EBF8793AA6
• Base-36: LLIMMUJXZ1I

Squares and roots of 78964640057997990

• 78964640057997990 squared (78964640057997990²) is 6235414379489180805510966844040100
• 78964640057997990 cubed (78964640057997990³) is 492377252088828047029553226357779641974969279399000
• The square root of 78964640057997990 is 281006476.8968822007
• The cube root of 78964640057997990 is 429020.0146388325

Scales and comparisons

• 78,964,640,057,997,990 seconds is equal to 2,510,831,300 years, 9 weeks, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 78,964,640,057,997,990 would take you about seven billion, five hundred thirty-two million, four hundred ninety-three thousand, nine hundred 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 78964640057997990 cubic inches would be around 35751.7 feet tall.

Recreational maths with 78964640057997990

• 78964640057997990 backwards is 09979975004646987
• The number of decimal digits it has is: 17
• The sum of 78964640057997990's digits is 99
• More coming soon!