81738034960

Names of 81738034960

• Cardinal: 81738034960 can be written as Eighty-one billion, seven hundred thirty-eight million, thirty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 8.173803496 × 10¹⁰

Factors of 81738034960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3267

Divisors of 81738034960

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 37 38 40 74 76 80 95 148 152 185 190 296 304 370 380 547 592 703 740 760 1094 1406 1480 1520 2188 2657 2735 2812 2960 3515 4376 5314 5470 5624 7030 8752 10393 10628 10940 11248 13285 14060 20239 20786 21256 21880 26570 28120 40478 41572 42512 43760 50483 51965 53140 56240 80956 83144 98309 100966 101195 103930 106280 161912 166288 196618 201932 202390 207860 212560 252415 323824 384541 393236 403864 404780 415720 491545 504830 769082 786472 807728 809560 831440 983090 1009660 1453379 1538164 1572944 1619120 1867871 1922705 1966180 2019320 2906758 3076328 3735742 3845410 3932360 4038640 5813516 6152656 7266895 7471484 7690820 7864720 9339355 11627032 14533790 14942968 15381640 18678710 23254064 27614201 29067580 29885936 30763280 37357420 53775023 55228402 58135160 74714840 107550046 110456804 116270320 138071005 149429680 215100092 220913608 268875115 276142010 430200184 441827216 537750230 552284020 860400368 1021725437 1075500460 1104568040 2043450874 2151000920 2209136080 4086901748 4302001840 5108627185 8173803496 10217254370 16347606992 20434508740 40869017480 81738034960
• Sum of all divisors σ(n): 205902714240
• Sum of proper divisors (its aliquot sum) s(n): 124164679280
• 81738034960 is an abundant number, because the sum of its proper divisors (124164679280) is greater than itself. Its abundance is 42426644320

Bases of 81738034960

• Binary: 1001100000111111101110110111100010000₂
• Hexadecimal: 0x1307F76F10
• Base-36: 11JSPRF4

Squares and roots of 81738034960

• 81738034960 squared (81738034960²) is 6681106359122182201600
• 81738034960 cubed (81738034960³) is 546100505153407243705870567936000
• The square root of 81738034960 is 285898.6445578223
• The cube root of 81738034960 is 4339.8501183489

Scales and comparisons

• 81,738,034,960 seconds is equal to 2,599 years, 6 days, 1 hour, 42 minutes, 40 seconds.
• To count from 1 to 81,738,034,960 would take you about five thousand, one hundred ninety-eight 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 81738034960 cubic inches would be around 361.7 feet tall.

Recreational maths with 81738034960

• 81738034960 backwards is 06943083718
• The number of decimal digits it has is: 11
• The sum of 81738034960's digits is 49
• More coming soon!