81324435270

Names of 81324435270

• Cardinal: 81324435270 can be written as Eighty-one billion, three hundred twenty-four million, four hundred thirty-five thousand, two hundred seventy.

Scientific notation

• Scientific notation: 8.132443527 × 10¹⁰

Factors of 81324435270

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19578

Divisors of 81324435270

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 13 15 17 26 30 34 37 39 51 65 74 78 85 102 111 130 170 185 195 221 222 255 289 370 390 442 481 510 555 578 629 663 867 962 1105 1110 1258 1326 1443 1445 1734 1887 2210 2405 2886 2890 3145 3315 3757 3774 4335 4810 6290 6630 7215 7514 8177 8670 9435 10693 11271 14430 16354 18785 18870 19501 21386 22542 24531 32079 37570 39002 40885 49062 53465 56355 58503 64158 81770 97505 106930 112710 117006 122655 139009 160395 195010 245310 253513 278018 292515 320790 331517 417027 507026 585030 663034 695045 721537 760539 834054 994551 1267565 1390090 1443074 1521078 1657585 1989102 2085135 2164611 2535130 3315170 3607685 3802695 4170270 4309721 4329222 4972755 5635789 7215370 7605390 8619442 9379981 9945510 10823055 11271578 12266129 12929163 16907367 18759962 21548605 21646110 24532258 25858326 28139943 28178945 33814734 36798387 43097210 46899905 56279886 56357890 61330645 64645815 73265257 73596774 84536835 93799810 122661290 129291630 140699715 146530514 159459677 169073670 183991935 208524193 219795771 281399430 318919354 366326285 367983870 417048386 439591542 478379031 625572579 732652570 797298385 956758062 1042620965 1098978855 1251145158 1594596770 2085241930 2197957710 2391895155 2710814509 3127862895 4783790310 5421629018 6255725790 8132443527 13554072545 16264887054 27108145090 40662217635 81324435270
• Sum of all divisors σ(n): 229330414656
• Sum of proper divisors (its aliquot sum) s(n): 148005979386
• 81324435270 is an abundant number, because the sum of its proper divisors (148005979386) is greater than itself. Its abundance is 66681544116

Bases of 81324435270

• Binary: 1001011101111010100000110011101000110₂
• Hexadecimal: 0x12EF506746
• Base-36: 11CYGVUU

Squares and roots of 81324435270

• 81324435270 squared (81324435270²) is 6613663771984419972900
• 81324435270 cubed (81324435270³) is 537852471322291001534601204183000
• The square root of 81324435270 is 285174.3944851991
• The cube root of 81324435270 is 4332.5177638631

Scales and comparisons

• 81,324,435,270 seconds is equal to 2,585 years, 45 weeks, 54 minutes, 30 seconds.
• To count from 1 to 81,324,435,270 would take you about five thousand, one hundred seventy-one 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 81324435270 cubic inches would be around 361 feet tall.

Recreational maths with 81324435270

• 81324435270 backwards is 07253442318
• 81324435270 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81324435270's digits is 39
• More coming soon!