72900990190

Names of 72900990190

• Cardinal: 72900990190 can be written as Seventy-two billion, nine hundred million, nine hundred ninety thousand, one hundred ninety.

Scientific notation

• Scientific notation: 7.290099019 × 10¹⁰

Factors of 72900990190

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 291

Divisors of 72900990190

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 35 49 70 98 245 277 343 490 554 686 1385 1715 1939 2770 3430 3878 9695 13573 19390 27146 67865 76729 95011 135730 153458 190022 383645 475055 537103 767290 950110 1074206 2685515 3759721 5371030 7519442 18798605 21253933 26318047 37597210 42507866 52636094 106269665 131590235 148777531 212539330 263180470 297555062 743887655 1041442717 1487775310 2082885434 5207213585 7290099019 10414427170 14580198038 36450495095 72900990190
• Sum of all divisors σ(n): 153582768000
• Sum of proper divisors (its aliquot sum) s(n): 80681777810
• 72900990190 is an abundant number, because the sum of its proper divisors (80681777810) is greater than itself. Its abundance is 7780787620

Bases of 72900990190

• Binary: 1000011111001001111001101010011101110₂
• Hexadecimal: 0x10F93CD4EE
• Base-36: XHND81A

Squares and roots of 72900990190

• 72900990190 squared (72900990190²) is 5314554370682476236100
• 72900990190 cubed (72900990190³) is 387436276041344823692834223859000
• The square root of 72900990190 is 270001.8336789585
• The cube root of 72900990190 is 4177.4488639717

Scales and comparisons

• 72,900,990,190 seconds is equal to 2,318 years, 1 week, 2 days, 11 hours, 3 minutes, 10 seconds.
• To count from 1 to 72,900,990,190 would take you about four thousand, six hundred thirty-six 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 72900990190 cubic inches would be around 348.1 feet tall.

Recreational maths with 72900990190

• 72900990190 backwards is 09109900927
• The number of decimal digits it has is: 11
• The sum of 72900990190's digits is 46
• More coming soon!