129398294529

Names of 129398294529

• Cardinal: 129398294529 can be written as One hundred twenty-nine billion, three hundred ninety-eight million, two hundred ninety-four thousand, five hundred twenty-nine.

Scientific notation

• Scientific notation: 1.29398294529 × 10¹¹

Factors of 129398294529

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 177

Divisors of 129398294529

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 167 189 343 441 501 567 1029 1169 1323 1503 3087 3507 3969 4509 8183 9261 10521 13527 24549 27783 27889 31563 57281 73647 83667 94689 171843 195223 220941 251001 515529 585669 662823 753003 1366561 1546587 1757007 2259009 4099683 4639761 4657463 5271021 9565927 12299049 13972389 15813063 28697781 32602241 36897147 41917167 86093343 97806723 110691441 125751501 228215687 258280029 293420169 377254503 684647061 774840087 880260507 1597509809 2053941183 2640781521 4792529427 6161823549 14377588281 18485470647 43132764843 129398294529
• Sum of all divisors σ(n): 226779168000
• Sum of proper divisors (its aliquot sum) s(n): 97380873471
• 129398294529 is a deficient number, because the sum of its proper divisors (97380873471) is less than itself. Its deficiency is 32017421058

Bases of 129398294529

• Binary: 1111000100000101111010100100000000001₂
• Hexadecimal: 0x1E20BD4801
• Base-36: 1NG0EJ29

Squares and roots of 129398294529

• 129398294529 squared (129398294529²) is 16743918627013831331841
• 129398294529 cubed (129398294529³) is 2166634514067945042434290053797889
• The square root of 129398294529 is 359719.7444247397
• The cube root of 129398294529 is 5057.9692430681

Scales and comparisons

• 129,398,294,529 seconds is equal to 4,114 years, 24 weeks, 1 day, 10 hours, 42 minutes, 9 seconds.
• To count from 1 to 129,398,294,529 would take you about eight thousand, two hundred twenty-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 129398294529 cubic inches would be around 421.5 feet tall.

Recreational maths with 129398294529

• 129398294529 backwards is 925492893921
• 129398294529 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129398294529's digits is 63
• More coming soon!