18989525464

Names of 18989525464

• Cardinal: 18989525464 can be written as Eighteen billion, nine hundred eighty-nine million, five hundred twenty-five thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.8989525464 × 10¹⁰

Factors of 18989525464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 40971

Divisors of 18989525464

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 169 182 196 338 343 364 392 637 676 686 728 1183 1274 1352 1372 2366 2548 2744 4459 4732 5096 8281 8918 9464 16562 17836 33124 35672 40949 57967 66248 81898 115934 163796 231868 286643 327592 463736 532337 573286 1064674 1146572 2006501 2129348 2293144 3726359 4013002 4258696 6920381 7452718 8026004 13840762 14045507 14905436 16052008 26084513 27681524 28091014 29810872 48442667 52169026 55363048 56182028 96885334 104338052 112364056 182591591 193770668 208676104 339098669 365183182 387541336 678197338 730366364 1356394676 1460732728 2373690683 2712789352 4747381366 9494762732 18989525464
• Sum of all divisors σ(n): 44963100000
• Sum of proper divisors (its aliquot sum) s(n): 25973574536
• 18989525464 is an abundant number, because the sum of its proper divisors (25973574536) is greater than itself. Its abundance is 6984049072

Bases of 18989525464

• Binary: 10001101011110111010010100111011000₂
• Hexadecimal: 0x46BDD29D8
• Base-36: 8Q1VFMG

Squares and roots of 18989525464

• 18989525464 squared (18989525464²) is 360602077347904415296
• 18989525464 cubed (18989525464³) is 6847662330169328481301423097344
• The square root of 18989525464 is 137802.4871473661
• The cube root of 18989525464 is 2667.9112029861

Scales and comparisons

• 18,989,525,464 seconds is equal to 603 years, 42 weeks, 4 hours, 11 minutes, 4 seconds.
• To count from 1 to 18,989,525,464 would take you about one thousand, two hundred seven 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 18989525464 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989525464

• 18989525464 backwards is 46452598981
• The number of decimal digits it has is: 11
• The sum of 18989525464's digits is 61
• More coming soon!