90091407980

Names of 90091407980

• Cardinal: 90091407980 can be written as Ninety billion, ninety-one million, four hundred seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 9.009140798 × 10¹⁰

Factors of 90091407980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12521

Divisors of 90091407980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 193 277 386 554 772 965 1108 1351 1385 1930 1939 2702 2770 3860 3878 5404 5540 6755 7756 9695 12037 13510 19390 24074 27020 38780 48148 53461 60185 84259 106922 120370 168518 213844 240740 267305 337036 374227 421295 534610 748454 842590 1069220 1496908 1685180 1871135 2323141 3334249 3742270 4646282 6668498 7484540 9292564 11615705 13336996 16261987 16671245 23231410 23339743 32523974 33342490 46462820 46679486 65047948 66684980 81309935 93358972 116698715 162619870 233397430 325239740 466794860 643510057 1287020114 2574040228 3217550285 4504570399 6435100570 9009140798 12870201140 18018281596 22522851995 45045703990 90091407980
• Sum of all divisors σ(n): 218142427776
• Sum of proper divisors (its aliquot sum) s(n): 128051019796
• 90091407980 is an abundant number, because the sum of its proper divisors (128051019796) is greater than itself. Its abundance is 37959611816

Bases of 90091407980

• Binary: 1010011111001110111011100101001101100₂
• Hexadecimal: 0x14F9DDCA6C
• Base-36: 15DY3JAK

Squares and roots of 90091407980

• 90091407980 squared (90091407980²) is 8116461791818807680400
• 90091407980 cubed (90091407980³) is 731223470640830028972073849592000
• The square root of 90091407980 is 300152.3079704703
• The cube root of 90091407980 is 4482.9214041575

Scales and comparisons

• 90,091,407,980 seconds is equal to 2,864 years, 32 weeks, 4 days, 15 hours, 6 minutes, 20 seconds.
• To count from 1 to 90,091,407,980 would take you about five thousand, seven hundred twenty-nine 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 90091407980 cubic inches would be around 373.6 feet tall.

Recreational maths with 90091407980

• 90091407980 backwards is 08970419009
• The number of decimal digits it has is: 11
• The sum of 90091407980's digits is 47
• More coming soon!