90138356

Names of 90138356

• Cardinal: 90138356 can be written as Ninety million, one hundred thirty-eight thousand, three hundred fifty-six.

Scientific notation

• Scientific notation: 9.0138356 × 10⁷

Factors of 90138356

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 323

Divisors of 90138356

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 11 14 19 22 28 38 44 73 76 77 133 146 154 209 211 266 292 308 418 422 511 532 803 836 844 1022 1387 1463 1477 1606 2044 2321 2774 2926 2954 3212 4009 4642 5548 5621 5852 5908 8018 9284 9709 11242 15257 15403 16036 16247 19418 22484 28063 30514 30806 32494 38836 44099 56126 61028 61612 64988 88198 106799 107821 112252 169433 176396 213598 215642 292657 308693 338866 427196 431284 585314 617386 677732 1170628 1186031 1234772 2048599 2372062 3219227 4097198 4744124 6438454 8194396 12876908 22534589 45069178 90138356
• Sum of all divisors σ(n): 210846720
• Sum of proper divisors (its aliquot sum) s(n): 120708364
• 90138356 is an abundant number, because the sum of its proper divisors (120708364) is greater than itself. Its abundance is 30570008

Bases of 90138356

• Binary: 101010111110110011011110100₂
• Hexadecimal: 0x55F66F4
• Base-36: 1HNZ78

Squares and roots of 90138356

• 90138356 squared (90138356²) is 8124923222382736
• 90138356 cubed (90138356³) is 732367221891802225822016
• The square root of 90138356 is 9494.1221816449
• The cube root of 90138356 is 448.3699975387

Scales and comparisons

• 90,138,356 seconds is equal to 2 years, 45 weeks, 6 hours, 25 minutes, 56 seconds.
• To count from 1 to 90,138,356 would take you about 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 90138356 cubic inches would be around 37.4 feet tall.

Recreational maths with 90138356

• 90138356 backwards is 65383109
• The number of decimal digits it has is: 8
• The sum of 90138356's digits is 35
• More coming soon!