18161097039872

Names of 18161097039872

• Cardinal: 18161097039872 can be written as Eighteen trillion, one hundred sixty-one billion, ninety-seven million, thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8161097039872 × 10¹³

Factors of 18161097039872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 17495

Divisors of 18161097039872

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 32 64 128 211 256 422 512 631 844 1024 1262 1688 2048 2524 3376 4096 5048 6752 8192 10096 13504 16651 20192 27008 33302 40384 54016 66604 80768 108032 133141 133208 161536 216064 266282 266416 323072 432128 532564 532832 646144 864256 1065128 1065664 1292288 1728512 2130256 2131328 2584576 3513361 4260512 4262656 5169152 7026722 8521024 8525312 10506781 14053444 17042048 17050624 21013562 28106888 34084096 34101248 42027124 56213776 68168192 68202496 84054248 112427552 136336384 136404992 168108496 224855104 272672768 336216992 449710208 545345536 672433984 899420416 1090691072 1344867968 1798840832 2216930791 2689735936 3597681664 4433861582 5379471872 7195363328 8867723164 10758943744 14390726656 17735446328 21517887488 28781453312 35470892656 43035774976 70941785312 86071549952 141883570624 283767141248 567534282496 1135068564992 2270137129984 4540274259968 9080548519936 18161097039872
• Sum of all divisors σ(n): 36552136988544
• Sum of proper divisors (its aliquot sum) s(n): 18391039948672
• 18161097039872 is an abundant number, because the sum of its proper divisors (18391039948672) is greater than itself. Its abundance is 229942908800

Bases of 18161097039872

• Binary: 100001000010001110101101111001110000000000000₂
• Hexadecimal: 0x108475BCE000
• Base-36: 6FR3C9SE8

Squares and roots of 18161097039872

• 18161097039872 squared (18161097039872²) is 329825445691647520757776384
• 18161097039872 cubed (18161097039872³) is 5989991925425042884908860361787307982848
• The square root of 18161097039872 is 4261583.8651693809
• The cube root of 18161097039872 is 26285.3658652227

Scales and comparisons

• 18,161,097,039,872 seconds is equal to 577,466 years, 36 weeks, 6 days, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 18,161,097,039,872 would take you about one million, four hundred forty-three thousand, six hundred sixty-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 18161097039872 cubic inches would be around 2190.4 feet tall.

Recreational maths with 18161097039872

• 18161097039872 backwards is 27893079016181
• The number of decimal digits it has is: 14
• The sum of 18161097039872's digits is 62
• More coming soon!