18494637071872

Names of 18494637071872

• Cardinal: 18494637071872 can be written as Eighteen trillion, four hundred ninety-four billion, six hundred thirty-seven million, seventy-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8494637071872 × 10¹³

Factors of 18494637071872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2715

Divisors of 18494637071872

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 683 832 1366 1664 2017 2732 3328 4034 5464 6656 8068 8879 10928 16136 17758 21856 26221 32272 35516 43712 52442 64544 71032 87424 104884 129088 142064 174848 209768 258176 284128 349696 419536 516352 568256 839072 1032704 1136512 1377611 1678144 2273024 2755222 3356288 4068289 4546048 5510444 6712576 8136578 11020888 13425152 16273156 17908943 22041776 32546312 35817886 44083552 52887757 65092624 71635772 88167104 105775514 130185248 143271544 176334208 211551028 260370496 286543088 352668416 423102056 520740992 573086176 705336832 846204112 1041481984 1146172352 1692408224 2082963968 2292344704 2778641387 3384816448 4584689408 5557282774 6769632896 9169378816 11114565548 13539265792 22229131096 27078531584 36122338031 44458262192 72244676062 88916524384 144489352124 177833048768 288978704248 355666097536 577957408496 711332195072 1155914816992 1422664390144 2311829633984 4623659267968 9247318535936 18494637071872
• Sum of all divisors σ(n): 39873736808136
• Sum of proper divisors (its aliquot sum) s(n): 21379099736264
• 18494637071872 is an abundant number, because the sum of its proper divisors (21379099736264) is greater than itself. Its abundance is 2884462664392

Bases of 18494637071872

• Binary: 100001101001000011110010001011101111000000000₂
• Hexadecimal: 0x10D21E45DE00
• Base-36: 6K0BHE874

Squares and roots of 18494637071872

• 18494637071872 squared (18494637071872²) is 342051600420262106093584384
• 18494637071872 cubed (18494637071872³) is 6326120209625727722461409300106704846848
• The square root of 18494637071872 is 4300539.1606020751
• The cube root of 18494637071872 is 26445.3064771123

Scales and comparisons

• 18,494,637,071,872 seconds is equal to 588,072 years, 13 weeks, 10 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,494,637,071,872 would take you about one million, four hundred seventy thousand, one hundred eighty 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 18494637071872 cubic inches would be around 2203.8 feet tall.

Recreational maths with 18494637071872

• 18494637071872 backwards is 27817073649481
• The number of decimal digits it has is: 14
• The sum of 18494637071872's digits is 67
• More coming soon!