90638942238

Names of 90638942238

• Cardinal: 90638942238 can be written as Ninety billion, six hundred thirty-eight million, nine hundred forty-two thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 9.0638942238 × 10¹⁰

Factors of 90638942238

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19034

Divisors of 90638942238

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 1723 3042 3446 5169 10338 15507 17293 22399 31014 34586 44798 51879 67197 103758 134394 155637 201591 224809 291187 311274 403182 449618 582374 674427 873561 1348854 1747122 2023281 2620683 2922517 4046562 5241366 5845034 8767551 17535102 26302653 29795839 52605306 59591678 89387517 178775034 268162551 387345907 536325102 774691814 1162037721 2324075442 3486113163 5035496791 6972226326 10070993582 15106490373 30212980746 45319471119 90638942238
• Sum of all divisors σ(n): 212788627272
• Sum of proper divisors (its aliquot sum) s(n): 122149685034
• 90638942238 is an abundant number, because the sum of its proper divisors (122149685034) is greater than itself. Its abundance is 31510742796

Bases of 90638942238

• Binary: 1010100011010100000001000000000011110₂
• Hexadecimal: 0x151A80801E
• Base-36: 15N033FI

Squares and roots of 90638942238

• 90638942238 squared (90638942238²) is 8215417850023500448644
• 90638942238 cubed (90638942238³) is 744636783969314204107210601425272
• The square root of 90638942238 is 301063.0203761333
• The cube root of 90638942238 is 4491.9847812767

Scales and comparisons

• 90,638,942,238 seconds is equal to 2,882 years, 1 week, 6 days, 19 hours, 57 minutes, 18 seconds.
• To count from 1 to 90,638,942,238 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 90638942238 cubic inches would be around 374.3 feet tall.

Recreational maths with 90638942238

• 90638942238 backwards is 83224983609
• The number of decimal digits it has is: 11
• The sum of 90638942238's digits is 54
• More coming soon!