129449635488

Names of 129449635488

• Cardinal: 129449635488 can be written as One hundred twenty-nine billion, four hundred forty-nine million, six hundred thirty-five thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.29449635488 × 10¹¹

Factors of 129449635488

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 49941994

Divisors of 129449635488

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 49941989 99883978 149825967 199767956 299651934 399535912 449477901 599303868 799071824 898955802 1198607736 1348433703 1598143648 1797911604 2397215472 2696867406 3595823208 4045301109 4794430944 5393734812 7191646416 8090602218 10787469624 14383292832 16181204436 21574939248 32362408872 43149878496 64724817744 129449635488
• Sum of all divisors σ(n): 380707789770
• Sum of proper divisors (its aliquot sum) s(n): 251258154282
• 129449635488 is an abundant number, because the sum of its proper divisors (251258154282) is greater than itself. Its abundance is 121808518794

Bases of 129449635488

• Binary: 1111000100011110011001010111010100000₂
• Hexadecimal: 0x1E23CCAEA0
• Base-36: 1NGUYY00

Squares and roots of 129449635488

• 129449635488 squared (129449635488²) is 16757208127976068998144
• 129449635488 cubed (129449635488³) is 2169214483963052986996878148534272
• The square root of 129449635488 is 359791.0997898641
• The cube root of 129449635488 is 5058.6380995261

Scales and comparisons

• 129,449,635,488 seconds is equal to 4,116 years, 5 weeks, 16 hours, 4 minutes, 48 seconds.
• To count from 1 to 129,449,635,488 would take you about eight thousand, two hundred thirty-two 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 129449635488 cubic inches would be around 421.6 feet tall.

Recreational maths with 129449635488

• 129449635488 backwards is 884536944921
• The number of decimal digits it has is: 12
• The sum of 129449635488's digits is 63
• More coming soon!