72312116985

Names of 72312116985

• Cardinal: 72312116985 can be written as Seventy-two billion, three hundred twelve million, one hundred sixteen thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 7.2312116985 × 10¹⁰

Factors of 72312116985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 676

Divisors of 72312116985

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 9 15 27 31 45 73 81 93 135 155 219 257 279 307 365 405 465 657 771 837 921 1095 1285 1395 1535 1971 2263 2313 2511 2763 3285 3855 4185 4605 5913 6789 6939 7967 8289 9517 9855 11315 11565 12555 13815 18761 20367 20817 22411 23901 24867 28551 29565 33945 34695 39835 41445 47585 56283 61101 67233 71703 78899 85653 93805 101835 104085 112055 119505 124335 142755 168849 183303 201699 215109 236697 256959 281415 305505 336165 358515 394495 428265 506547 581591 605097 645327 694741 710091 770877 844245 916515 1008495 1075545 1183485 1284795 1519641 1744773 1815291 2084223 2130273 2445869 2532735 2907955 3025485 3226635 3473705 3550455 3854385 5234319 5759627 6252669 6390819 7337607 7598205 8723865 9076455 10421115 10651365 12229345 15702957 17278881 18758007 22012821 26171595 28798135 31263345 31954095 36688035 47108871 51836643 56274021 66038463 78514785 86394405 93790035 110064105 155509929 178548437 198115389 235544355 259183215 281370105 330192315 466529787 535645311 777549645 892742185 990576945 1606935933 2332648935 2678226555 4820807799 8034679665 14462423397 24104038995 72312116985
• Sum of all divisors σ(n): 136611965952
• Sum of proper divisors (its aliquot sum) s(n): 64299848967
• 72312116985 is a deficient number, because the sum of its proper divisors (64299848967) is less than itself. Its deficiency is 8012268018

Bases of 72312116985

• Binary: 1000011010110001000110101011011111001₂
• Hexadecimal: 0x10D62356F9
• Base-36: X7WRMK9

Squares and roots of 72312116985

• 72312116985 squared (72312116985²) is 5229042262852325490225
• 72312116985 cubed (72312116985³) is 378123115830886480628447673971625
• The square root of 72312116985 is 268909.1240270585
• The cube root of 72312116985 is 4166.1703647763

Scales and comparisons

• 72,312,116,985 seconds is equal to 2,299 years, 15 weeks, 4 days, 19 hours, 9 minutes, 45 seconds.
• To count from 1 to 72,312,116,985 would take you about four thousand, five 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 72312116985 cubic inches would be around 347.2 feet tall.

Recreational maths with 72312116985

• 72312116985 backwards is 58961121327
• 72312116985 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72312116985's digits is 45
• More coming soon!