8101644040

Names of 8101644040

• Cardinal: 8101644040 can be written as Eight billion, one hundred one million, six hundred forty-four thousand and forty.

Scientific notation

• Scientific notation: 8.10164404 × 10⁹

Factors of 8101644040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 321

Divisors of 8101644040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 307 614 1228 1535 2149 2456 3070 4298 6140 8596 10745 12280 17192 21490 42980 85960 94249 188498 376996 471245 659743 753992 942490 1319486 1884980 2638972 3298715 3769960 5277944 6597430 13194860 26389720 28934443 57868886 115737772 144672215 202541101 231475544 289344430 405082202 578688860 810164404 1012705505 1157377720 1620328808 2025411010 4050822020 8101644040
• Sum of all divisors σ(n): 20900880000
• Sum of proper divisors (its aliquot sum) s(n): 12799235960
• 8101644040 is an abundant number, because the sum of its proper divisors (12799235960) is greater than itself. Its abundance is 4697591920

Bases of 8101644040

• Binary: 111100010111001010100011100001000₂
• Hexadecimal: 0x1E2E54708
• Base-36: 3PZICJS

Squares and roots of 8101644040

• 8101644040 squared (8101644040²) is 65636636150867521600
• 8101644040 cubed (8101644040³) is 531764662077324397200211264000
• The square root of 8101644040 is 90009.1330921479
• The cube root of 8101644040 is 2008.4347144557

Scales and comparisons

• 8,101,644,040 seconds is equal to 257 years, 31 weeks, 4 days, 40 minutes, 40 seconds.
• To count from 1 to 8,101,644,040 would take you about five hundred fifteen 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 8101644040 cubic inches would be around 167.4 feet tall.

Recreational maths with 8101644040

• 8101644040 backwards is 0404461018
• 8101644040 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8101644040's digits is 28
• More coming soon!