12640055184

Names of 12640055184

• Cardinal: 12640055184 can be written as Twelve billion, six hundred forty million, fifty-five thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 1.2640055184 × 10¹⁰

Factors of 12640055184

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 352

Divisors of 12640055184

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 347 432 486 648 694 729 972 1041 1296 1388 1458 1944 2082 2187 2776 2916 3123 3888 4164 4374 5552 5832 6246 6561 8328 8748 9369 11664 12492 13122 16656 17496 18738 24984 26244 28107 34992 37476 49968 52488 56214 74952 84321 104976 112428 120409 149904 168642 224856 240818 252963 337284 361227 449712 481636 505926 674568 722454 758889 963272 1011852 1083681 1349136 1444908 1517778 1926544 2023704 2167362 2276667 2889816 3035556 3251043 4047408 4334724 4553334 5779632 6071112 6502086 8669448 9106668 9753129 12142224 13004172 17338896 18213336 19506258 26008344 29259387 36426672 39012516 52016688 58518774 78025032 87778161 117037548 156050064 175556322 234075096 263334483 351112644 468150192 526668966 702225288 790003449 1053337932 1404450576 1580006898 2106675864 3160013796 4213351728 6320027592 12640055184
• Sum of all divisors σ(n): 36839458747
• Sum of proper divisors (its aliquot sum) s(n): 24199403563
• 12640055184 is an abundant number, because the sum of its proper divisors (24199403563) is greater than itself. Its abundance is 11559348379

Bases of 12640055184

• Binary: 1011110001011001111110111110010000₂
• Hexadecimal: 0x2F167EF90
• Base-36: 5T1K900

Squares and roots of 12640055184

• 12640055184 squared (12640055184²) is 159770995054565273856
• 12640055184 cubed (12640055184³) is 2019514194292296152669912469504
• 12640055184 is a perfect square number. Its square root is 112428
• The cube root of 12640055184 is 2329.4299589731

Scales and comparisons

• 12,640,055,184 seconds is equal to 401 years, 47 weeks, 3 days, 22 hours, 26 minutes, 24 seconds.
• To count from 1 to 12,640,055,184 would take you about eight hundred three 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 12640055184 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640055184

• 12640055184 backwards is 48155004621
• 12640055184 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12640055184's digits is 36
• More coming soon!