18840126172

Names of 18840126172

• Cardinal: 18840126172 can be written as Eighteen billion, eight hundred forty million, one hundred twenty-six thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.8840126172 × 10¹⁰

Factors of 18840126172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 761

Divisors of 18840126172

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 17 19 28 34 38 68 76 119 133 238 266 283 289 323 433 476 532 566 578 646 866 1132 1156 1292 1732 1981 2023 2261 3031 3962 4046 4522 4811 5377 5491 6062 7361 7924 8092 8227 9044 9622 10754 10982 12124 14722 16454 19244 21508 21964 29444 32908 33677 37639 38437 51527 57589 67354 75278 76874 81787 91409 103054 115178 122539 125137 134708 139859 150556 153748 163574 182818 206108 230356 245078 250274 279718 327148 365636 490156 500548 559436 572509 639863 857773 875959 979013 1145018 1279726 1553953 1715546 1751918 1958026 2083163 2290036 2328241 2377603 2559452 3107906 3431092 3503836 3916052 4166326 4656482 4755206 6215812 8332652 9312964 9510412 10877671 14582141 16297687 16643221 21755342 29164282 32595374 33286442 35413771 39580097 43510684 58328564 65190748 66572884 70827542 79160194 141655084 158320388 247896397 277060679 495792794 554121358 672861649 991585588 1108242716 1345723298 2691446596 4710031543 9420063086 18840126172
• Sum of all divisors σ(n): 42380343040
• Sum of proper divisors (its aliquot sum) s(n): 23540216868
• 18840126172 is an abundant number, because the sum of its proper divisors (23540216868) is greater than itself. Its abundance is 4700090696

Bases of 18840126172

• Binary: 10001100010111101011000001011011100₂
• Hexadecimal: 0x462F582DC
• Base-36: 8NKXAE4

Squares and roots of 18840126172

• 18840126172 squared (18840126172²) is 354950354176879373584
• 18840126172 cubed (18840126172³) is 6687309457488494603546883840448
• The square root of 18840126172 is 137259.3391066707
• The cube root of 18840126172 is 2660.8962143019

Scales and comparisons

• 18,840,126,172 seconds is equal to 599 years, 3 weeks, 22 minutes, 52 seconds.
• To count from 1 to 18,840,126,172 would take you about one thousand, one hundred ninety-eight 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 18840126172 cubic inches would be around 221.7 feet tall.

Recreational maths with 18840126172

• 18840126172 backwards is 27162104881
• The number of decimal digits it has is: 11
• The sum of 18840126172's digits is 40
• More coming soon!