90641981001

Names of 90641981001

• Cardinal: 90641981001 can be written as Ninety billion, six hundred forty-one million, nine hundred eighty-one thousand and one.

Scientific notation

• Scientific notation: 9.0641981001 × 10¹⁰

Factors of 90641981001

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 32688

Divisors of 90641981001

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 11 13 19 31 33 39 57 93 121 143 209 247 341 363 403 429 589 627 741 1023 1209 1573 1767 2299 2717 3751 4433 4719 6479 6897 7657 8151 11253 13299 19437 22971 29887 32611 48763 71269 84227 89661 97833 146289 213807 252681 358721 423943 619609 926497 1010941 1076163 1271829 1858827 2779491 3032823 3945931 4663373 6815699 8054917 11120351 11837793 13142233 13990119 19207879 20447097 24164751 33361053 39426699 51297103 57623637 74972689 88604087 122323861 144564563 153891309 211286669 224918067 249702427 265812261 366971583 433693689 633860007 749107281 974644957 1590210193 2324153359 2746726697 2923934871 4770630579 6972460077 8240180091 30213993667 90641981001
• Sum of all divisors σ(n): 155452272640
• Sum of proper divisors (its aliquot sum) s(n): 64810291639
• 90641981001 is a deficient number, because the sum of its proper divisors (64810291639) is less than itself. Its deficiency is 25831689362

Bases of 90641981001

• Binary: 1010100011010101011101101111001001001₂
• Hexadecimal: 0x151AAEDE49
• Base-36: 15N1W85L

Squares and roots of 90641981001

• 90641981001 squared (90641981001²) is 8215968719785644962001
• 90641981001 cubed (90641981001³) is 744711680603620723438226008943001
• The square root of 90641981001 is 301068.0670562721
• The cube root of 90641981001 is 4492.0349801731

Scales and comparisons

• 90,641,981,001 seconds is equal to 2,882 years, 7 weeks, 3 minutes, 21 seconds.
• To count from 1 to 90,641,981,001 would take you about five thousand, seven hundred sixty-four 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 90641981001 cubic inches would be around 374.3 feet tall.

Recreational maths with 90641981001

• 90641981001 backwards is 10018914609
• 90641981001 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90641981001's digits is 39
• More coming soon!