81350334072

Names of 81350334072

• Cardinal: 81350334072 can be written as Eighty-one billion, three hundred fifty million, three hundred thirty-four thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1350334072 × 10¹⁰

Factors of 81350334072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 167730

Divisors of 81350334072

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 107 108 126 162 168 189 214 216 252 321 324 378 428 504 567 642 648 749 756 856 963 1134 1284 1498 1512 1926 2247 2268 2568 2889 2996 3852 4494 4536 5778 5992 6741 7704 8667 8988 11556 13482 17334 17976 20223 23112 26964 34668 40446 53928 60669 69336 80892 121338 161784 167611 242676 335222 485352 502833 670444 1005666 1173277 1340888 1508499 2011332 2346554 3016998 3519831 4022664 4525497 4693108 6033996 7039662 9050994 9386216 10559493 12067992 13576491 14079324 17934377 18101988 21118986 27152982 28158648 31678479 35868754 36203976 42237972 53803131 54305964 63356958 71737508 84475944 95035437 107606262 108611928 125540639 126713916 143475016 161409393 190070874 215212524 251081278 253427832 322818786 376621917 380141748 430425048 484228179 502162556 645637572 753243834 760283496 968456358 1004325112 1129865751 1291275144 1452684537 1506487668 1936912716 2259731502 2905369074 3012975336 3389597253 3873825432 4519463004 5810738148 6779194506 9038926008 10168791759 11621476296 13558389012 20337583518 27116778024 40675167036 81350334072
• Sum of all divisors σ(n): 262842433920
• Sum of proper divisors (its aliquot sum) s(n): 181492099848
• 81350334072 is an abundant number, because the sum of its proper divisors (181492099848) is greater than itself. Its abundance is 100141765776

Bases of 81350334072

• Binary: 1001011110000110110111001011001111000₂
• Hexadecimal: 0x12F0DB9678
• Base-36: 11DDVZI0

Squares and roots of 81350334072

• 81350334072 squared (81350334072²) is 6617876853626004101184
• 81350334072 cubed (81350334072³) is 538366492889831678177760490741248
• The square root of 81350334072 is 285219.7995792017
• The cube root of 81350334072 is 4332.9776302005

Scales and comparisons

• 81,350,334,072 seconds is equal to 2,586 years, 35 weeks, 5 days, 19 hours, 1 minute, 12 seconds.
• To count from 1 to 81,350,334,072 would take you about five thousand, one hundred seventy-three 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 81350334072 cubic inches would be around 361.1 feet tall.

Recreational maths with 81350334072

• 81350334072 backwards is 27043305318
• 81350334072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81350334072's digits is 36
• More coming soon!