90047940138

Names of 90047940138

• Cardinal: 90047940138 can be written as Ninety billion, forty-seven million, nine hundred forty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.0047940138 × 10¹⁰

Factors of 90047940138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 341

Divisors of 90047940138

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 103 107 113 117 206 214 226 234 309 321 339 351 618 642 678 702 927 963 1017 1339 1391 1469 1854 1926 2034 2678 2781 2782 2889 2938 3051 4017 4173 4407 5562 5778 6102 8034 8346 8814 10609 11021 11639 12051 12091 12519 13221 21218 22042 23278 24102 24182 25038 26442 31827 33063 34917 36153 36273 37557 39663 63654 66126 69834 72306 72546 75114 79326 95481 99189 104751 108819 137917 143273 151307 157183 190962 198378 209502 217638 275834 286443 286546 297567 302614 314253 314366 326457 413751 429819 453921 471549 572886 595134 628506 652914 827502 859638 907842 943098 1135163 1198817 1241253 1245373 1289457 1361763 1414647 2270326 2397634 2482506 2490746 2578914 2723526 2829294 3405489 3596451 3723759 3736119 3868371 4085289 4243941 6810978 7192902 7447518 7472238 7736742 8170578 8487882 10216467 10789353 11208357 14757119 15584621 16189849 20432934 21578706 22416714 29514238 30649401 31169242 32368059 32379698 33625071 44271357 46753863 48569547 61298802 64736118 67250142 88542714 93507726 97139094 128273419 132814071 140261589 145708641 256546838 265628142 280523178 291417282 384820257 398442213 420784767 437125923 769640514 796884426 841569534 874251846 1154460771 1667554447 2308921542 3335108894 3463382313 5002663341 6926764626 10005326682 15007990023 30015980046 45023970069 90047940138
• Sum of all divisors σ(n): 221589406080
• Sum of proper divisors (its aliquot sum) s(n): 131541465942
• 90047940138 is an abundant number, because the sum of its proper divisors (131541465942) is greater than itself. Its abundance is 41493525804

Bases of 90047940138

• Binary: 1010011110111010001101000011000101010₂
• Hexadecimal: 0x14F746862A
• Base-36: 15D87VAI

Squares and roots of 90047940138

• 90047940138 squared (90047940138²) is 8108631523096831459044
• 90047940138 cubed (90047940138³) is 730165565992923243601469310708072
• The square root of 90047940138 is 300079.8895927549
• The cube root of 90047940138 is 4482.2003059175

Scales and comparisons

• 90,047,940,138 seconds is equal to 2,863 years, 12 weeks, 5 days, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 90,047,940,138 would take you about five thousand, seven hundred twenty-six 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 90047940138 cubic inches would be around 373.5 feet tall.

Recreational maths with 90047940138

• 90047940138 backwards is 83104974009
• The number of decimal digits it has is: 11
• The sum of 90047940138's digits is 45
• More coming soon!