18013525824

Names of 18013525824

• Cardinal: 18013525824 can be written as Eighteen billion, thirteen million, five hundred twenty-five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8013525824 × 10¹⁰

Factors of 18013525824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 535

Divisors of 18013525824

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 343 392 448 523 588 672 686 784 1029 1046 1176 1344 1372 1568 1569 2058 2092 2352 2744 3136 3138 3661 4116 4184 4704 5488 6276 7322 8232 8368 9408 10976 10983 12552 14644 16464 16736 21952 21966 25104 25627 29288 32928 33472 43932 50208 51254 58576 65856 76881 87864 100416 102508 117152 153762 175728 179389 205016 234304 273529 307524 351456 358778 410032 538167 547058 615048 702912 717556 820064 820587 1076334 1094116 1230096 1435112 1640128 1641174 1914703 2152668 2188232 2460192 2870224 3282348 3829406 4305336 4376464 4920384 5740448 5744109 6564696 7658812 8610672 8752928 11480896 11488218 13129392 13402921 15317624 17221344 17505856 22976436 26258784 26805842 30635248 34442688 40208763 45952872 52517568 53611684 61270496 80417526 91905744 93820447 107223368 122540992 160835052 183811488 187640894 214446736 281461341 321670104 367622976 375281788 428893472 562922682 643340208 750563576 857786944 1125845364 1286680416 1501127152 2251690728 2573360832 3002254304 4503381456 6004508608 9006762912 18013525824
• Sum of all divisors σ(n): 55687569600
• Sum of proper divisors (its aliquot sum) s(n): 37674043776
• 18013525824 is an abundant number, because the sum of its proper divisors (37674043776) is greater than itself. Its abundance is 19660517952

Bases of 18013525824

• Binary: 10000110001101100001001011101000000₂
• Hexadecimal: 0x431B09740
• Base-36: 89WSDHC

Squares and roots of 18013525824

• 18013525824 squared (18013525824²) is 324487112611914878976
• 18013525824 cubed (18013525824³) is 5845156982589924762524010676224
• The square root of 18013525824 is 134214.4769538667
• The cube root of 18013525824 is 2621.3976684991

Scales and comparisons

• 18,013,525,824 seconds is equal to 572 years, 40 weeks, 1 day, 21 hours, 10 minutes, 24 seconds.
• To count from 1 to 18,013,525,824 would take you about one thousand, one hundred forty-five 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 18013525824 cubic inches would be around 218.4 feet tall.

Recreational maths with 18013525824

• 18013525824 backwards is 42852531081
• The number of decimal digits it has is: 11
• The sum of 18013525824's digits is 39
• More coming soon!