18402121878112

Names of 18402121878112

• Cardinal: 18402121878112 can be written as Eighteen trillion, four hundred two billion, one hundred twenty-one million, eight hundred seventy-eight thousand, one hundred twelve.

Scientific notation

• Scientific notation: 1.8402121878112 × 10¹³

Factors of 18402121878112

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3894128

Divisors of 18402121878112

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 68 73 112 119 136 146 224 238 272 289 292 476 511 544 578 584 952 1022 1156 1168 1241 1904 2023 2044 2312 2336 2482 3808 4046 4088 4624 4964 8092 8176 8687 9248 9928 16184 16352 17374 19856 21097 32368 34748 39712 42194 64736 69496 84388 138992 147679 168776 277984 295358 337552 590716 675104 1181432 2362864 3894029 4725728 7788058 15576116 27258203 31152232 54516406 62304464 66198493 109032812 124608928 132396986 218065624 264793972 284264117 436131248 463389451 529587944 568528234 872262496 926778902 1059175888 1125374381 1137056468 1853557804 1989848819 2118351776 2250748762 2274112936 3707115608 3979697638 4501497524 4548225872 4832489989 7414231216 7877620667 7959395276 9002995048 9096451744 9664979978 14828462432 15755241334 15918790552 18005990096 19329959956 31510482668 31837581104 33827429923 36011980192 38659919912 63020965336 63675162208 67654859846 77319839824 82152329813 126041930672 135309719692 154639679648 164304659626 252083861344 270619439384 328609319252 541238878768 575066308691 657218638504 1082477757536 1150132617382 1314437277008 2300265234764 2628874554016 4600530469528 9201060939056 18402121878112
• Sum of all divisors σ(n): 44586145064160
• Sum of proper divisors (its aliquot sum) s(n): 26184023186048
• 18402121878112 is an abundant number, because the sum of its proper divisors (26184023186048) is greater than itself. Its abundance is 7781901307936

Bases of 18402121878112

• Binary: 100001011110010010011111100000000101001100000₂
• Hexadecimal: 0x10BC93F00A60
• Base-36: 6ITTG8JTS

Squares and roots of 18402121878112

• 18402121878112 squared (18402121878112²) is 338638089616888322184684544
• 18402121878112 cubed (18402121878112³) is 6231659397700992697994587695755538300928
• The square root of 18402121878112 is 4289769.4434680285
• The cube root of 18402121878112 is 26401.1372128887

Scales and comparisons

• 18,402,121,878,112 seconds is equal to 585,130 years, 28 weeks, 5 days, 17 hours, 41 minutes, 52 seconds.
• To count from 1 to 18,402,121,878,112 would take you about one million, four hundred sixty-two thousand, eight 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 18402121878112 cubic inches would be around 2200.1 feet tall.

Recreational maths with 18402121878112

• 18402121878112 backwards is 21187812120481
• The number of decimal digits it has is: 14
• The sum of 18402121878112's digits is 46
• More coming soon!