18398479973180

Names of 18398479973180

• Cardinal: 18398479973180 can be written as Eighteen trillion, three hundred ninety-eight billion, four hundred seventy-nine million, nine hundred seventy-three thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.839847997318 × 10¹³

Factors of 18398479973180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 214045

Divisors of 18398479973180

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 380 410 779 820 1558 3116 3895 5669 7790 11338 15580 22676 28345 56690 107711 113380 208309 215422 232429 416618 430844 464858 538555 833236 929716 1041545 1077110 1162145 2083090 2154220 2324290 3957871 4166180 4416151 4648580 7915742 8540669 8832302 15831484 17081338 17664604 19789355 22080755 34162676 39578710 42703345 44161510 79157420 85406690 88323020 162272711 170813380 324545422 649090844 811363555 1180903721 1622727110 2361807442 3245454220 4723614884 5904518605 11809037210 22437170699 23618074420 44874341398 48417052561 89748682796 96834105122 112185853495 193668210244 224371706990 242085262805 448743413980 484170525610 919923998659 968341051220 1839847997318 3679695994636 4599619993295 9199239986590 18398479973180
• Sum of all divisors σ(n): 41669832456000
• Sum of proper divisors (its aliquot sum) s(n): 23271352482820
• 18398479973180 is an abundant number, because the sum of its proper divisors (23271352482820) is greater than itself. Its abundance is 4872872509640

Bases of 18398479973180

• Binary: 100001011101110111010110111001111101100111100₂
• Hexadecimal: 0x10BBBADCFB3C
• Base-36: 6IS57XVZW

Squares and roots of 18398479973180

• 18398479973180 squared (18398479973180²) is 338504065323505533519312400
• 18398479973180 cubed (18398479973180³) is 6227960266694531056367980396164041432000
• The square root of 18398479973180 is 4289344.9352063073
• The cube root of 18398479973180 is 26399.3954431789

Scales and comparisons

• 18,398,479,973,180 seconds is equal to 585,014 years, 39 weeks, 1 day, 1 hour, 26 minutes, 20 seconds.
• To count from 1 to 18,398,479,973,180 would take you about one million, four hundred sixty-two thousand, five hundred thirty-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 18398479973180 cubic inches would be around 2199.9 feet tall.

Recreational maths with 18398479973180

• 18398479973180 backwards is 08137997489381
• The number of decimal digits it has is: 14
• The sum of 18398479973180's digits is 77
• More coming soon!