18125145187520

Names of 18125145187520

• Cardinal: 18125145187520 can be written as Eighteen trillion, one hundred twenty-five billion, one hundred forty-five million, one hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.812514518752 × 10¹³

Factors of 18125145187520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 483040

Divisors of 18125145187520

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 17377 34754 69508 86885 121639 139016 173770 243278 278032 347540 465649 486556 556064 608195 695080 931298 973112 1112128 1216390 1390160 1862596 1946224 2328245 2432780 2780320 3259543 3725192 3892448 4656490 4865560 5560640 6519086 7450384 7784896 9312980 9731120 13038172 14900768 16297715 18625960 19462240 26076344 29801536 32595430 37251920 38924480 52152688 65190860 74503840 104305376 130381720 149007680 208610752 260763440 521526880 1043053760 8091582673 16183165346 32366330692 40457913365 56641078711 64732661384 80915826730 113282157422 129465322768 161831653460 226564314844 258930645536 283205393555 323663306920 453128629688 517861291072 566410787110 647326613840 906257259376 1132821574220 1294653227680 1812514518752 2265643148440 2589306455360 3625029037504 4531286296880 9062572593760 18125145187520
• Sum of all divisors σ(n): 49329232507200
• Sum of proper divisors (its aliquot sum) s(n): 31204087319680
• 18125145187520 is an abundant number, because the sum of its proper divisors (31204087319680) is greater than itself. Its abundance is 13078942132160

Bases of 18125145187520

• Binary: 100000111110000010110110101110010010011000000₂
• Hexadecimal: 0x107C16D724C0
• Base-36: 6FAKRGTKW

Squares and roots of 18125145187520

• 18125145187520 squared (18125145187520²) is 328520888068679415963750400
• 18125145187520 cubed (18125145187520³) is 5954488793377821303497054825330475008000
• The square root of 18125145187520 is 4257363.6428569265
• The cube root of 18125145187520 is 26268.0095007041

Scales and comparisons

• 18,125,145,187,520 seconds is equal to 576,323 years, 28 weeks, 5 days, 5 minutes, 20 seconds.
• To count from 1 to 18,125,145,187,520 would take you about one million, four hundred forty thousand, eight hundred 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 18125145187520 cubic inches would be around 2189 feet tall.

Recreational maths with 18125145187520

• 18125145187520 backwards is 02578154152181
• The number of decimal digits it has is: 14
• The sum of 18125145187520's digits is 50
• More coming soon!