13545631872

Names of 13545631872

• Cardinal: 13545631872 can be written as Thirteen billion, five hundred forty-five million, six hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.3545631872 × 10¹⁰

Factors of 13545631872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 141755

Divisors of 13545631872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 83 96 128 144 166 192 249 288 332 384 498 576 664 747 996 1152 1328 1494 1992 2656 2988 3984 5312 5976 7968 10624 11952 15936 23904 31872 47808 95616 141667 283334 425001 566668 850002 1133336 1275003 1700004 2266672 2550006 3400008 4533344 5100012 6800016 9066688 10200024 11758361 13600032 18133376 20400048 23516722 27200064 35275083 40800096 47033444 54400128 70550166 81600192 94066888 105825249 141100332 163200384 188133776 211650498 282200664 376267552 423300996 564401328 752535104 846601992 1128802656 1505070208 1693203984 2257605312 3386407968 4515210624 6772815936 13545631872
• Sum of all divisors σ(n): 39448871280
• Sum of proper divisors (its aliquot sum) s(n): 25903239408
• 13545631872 is an abundant number, because the sum of its proper divisors (25903239408) is greater than itself. Its abundance is 12357607536

Bases of 13545631872

• Binary: 1100100111011000011111000010000000₂
• Hexadecimal: 0x32761F080
• Base-36: 680PWG0

Squares and roots of 13545631872

• 13545631872 squared (13545631872²) is 183484142811742224384
• 13545631872 cubed (13545631872³) is 2485408652877335170464085966848
• The square root of 13545631872 is 116385.7030395057
• The cube root of 13545631872 is 2383.7813786881

Scales and comparisons

• 13,545,631,872 seconds is equal to 430 years, 36 weeks, 6 days, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 13,545,631,872 would take you about eight hundred sixty-one 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 13545631872 cubic inches would be around 198.6 feet tall.

Recreational maths with 13545631872

• 13545631872 backwards is 27813654531
• The number of decimal digits it has is: 11
• The sum of 13545631872's digits is 45
• More coming soon!