129738881400

Names of 129738881400

• Cardinal: 129738881400 can be written as One hundred twenty-nine billion, seven hundred thirty-eight million, eight hundred eighty-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.297388814 × 10¹¹

Factors of 129738881400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1284

Divisors of 129738881400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 181 200 300 362 543 600 724 905 1086 1093 1448 1810 2172 2186 2715 3279 3620 4344 4372 4525 5430 5465 6558 7240 8744 9050 10860 10930 13116 13575 16395 18100 21720 21860 26232 27150 27325 32790 36200 43720 54300 54650 65580 81975 108600 109300 131160 163950 197833 218600 327900 395666 593499 655800 791332 989165 1186998 1194649 1582664 1978330 2373996 2389298 2967495 3583947 3956660 4747992 4778596 4945825 5934990 5973245 7167894 7913320 9557192 9891650 11869980 11946490 14335788 14837475 17919735 19783300 23739960 23892980 28671576 29674950 29866225 35839470 39566600 47785960 59349900 59732450 71678940 89598675 118699800 119464900 143357880 179197350 216231469 238929800 358394700 432462938 648694407 716789400 864925876 1081157345 1297388814 1729851752 2162314690 2594777628 3243472035 4324629380 5189555256 5405786725 6486944070 8649258760 10811573450 12973888140 16217360175 21623146900 25947776280 32434720350 43246293800 64869440700 129738881400
• Sum of all divisors σ(n): 404782920360
• Sum of proper divisors (its aliquot sum) s(n): 275044038960
• 129738881400 is an abundant number, because the sum of its proper divisors (275044038960) is greater than itself. Its abundance is 145305157560

Bases of 129738881400

• Binary: 1111000110101000010100011100101111000₂
• Hexadecimal: 0x1E350A3978
• Base-36: 1NLN6HKO

Squares and roots of 129738881400

• 129738881400 squared (129738881400²) is 16832177346923265960000
• 129738881400 cubed (129738881400³) is 2183787860516244257285097144000000
• The square root of 129738881400 is 360192.8391847901
• The cube root of 129738881400 is 5062.4030179257

Scales and comparisons

• 129,738,881,400 seconds is equal to 4,125 years, 15 weeks, 2 days, 10 hours, 10 minutes.
• To count from 1 to 129,738,881,400 would take you about eight thousand, two hundred fifty 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 129738881400 cubic inches would be around 421.9 feet tall.

Recreational maths with 129738881400

• 129738881400 backwards is 004188837921
• The number of decimal digits it has is: 12
• The sum of 129738881400's digits is 51
• More coming soon!