129199128790720

Names of 129199128790720

• Cardinal: 129199128790720 can be written as One hundred twenty-nine trillion, one hundred ninety-nine billion, one hundred twenty-eight million, seven hundred ninety thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2919912879072 × 10¹⁴

Factors of 129199128790720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 415

Divisors of 129199128790720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 304 320 361 380 389 608 722 760 778 1216 1444 1520 1556 1805 1945 2888 3040 3112 3610 3890 5776 6080 6224 6859 7220 7391 7780 11552 12448 13718 14440 14782 15560 23104 24896 27436 28880 29564 31120 34295 36955 54872 57760 59128 62240 68590 73910 109744 115520 118256 124480 137180 140429 147820 151321 219488 236512 274360 280858 295640 302642 438976 473024 548720 561716 591280 605284 702145 756605 1097440 1123432 1182560 1210568 1404290 1513210 2194880 2246864 2365120 2421136 2668151 2808580 2875099 3026420 4493728 4842272 5336302 5617160 5750198 6052840 8987456 9684544 10672604 11234320 11500396 12105680 13340755 14375495 21345208 22468640 23000792 24211360 26681510 28750990 42690416 44937280 46001584 48422720 53363020 54626881 57501980 58863869 85380832 92003168 106726040 109253762 115003960 117727738 170761664 184006336 213452080 218507524 230007920 235455476 273134405 294319345 426904160 437015048 460015840 470910952 546268810 588638690 853808320 874030096 920031680 941821904 1037910739 1092537620 1118413511 1177277380 1748060192 1883643808 2075821478 2185075240 2236827022 2354554760 3496120384 3767287616 4151642956 4370150480 4473654044 4709109520 5189553695 5592067555 8303285912 8740300960 8947308088 9418219040 10379107390 11184135110 16606571824 17480601920 17894616176 18836438080 20758214780 21249856709 22368270220 33213143648 35789232352 41516429560 42499713418 44736540440 66426287296 71578464704 83032859120 84999426836 89473080880 106249283545 166065718240 169998853672 178946161760 212498567090 332131436480 339997707344 357892323520 403747277471 424997134180 679995414688 807494554942 849994268360 1359990829376 1614989109884 1699988536720 2018736387355 3229978219768 3399977073440 4037472774710 6459956439536 6799954146880 8074945549420 12919912879072 16149891098840 25839825758144 32299782197680 64599564395360 129199128790720
• Sum of all divisors σ(n): 325581872990400
• Sum of proper divisors (its aliquot sum) s(n): 196382744199680
• 129199128790720 is an abundant number, because the sum of its proper divisors (196382744199680) is greater than itself. Its abundance is 67183615408960

Bases of 129199128790720

• Binary: 11101011000000110000100001011010100011011000000₂
• Hexadecimal: 0x7581842D46C0
• Base-36: 19SP9DGJB4

Squares and roots of 129199128790720

• 129199128790720 squared (129199128790720²) is 16692414880281053609558118400
• 129199128790720 cubed (129199128790720³) is 2156645459945562815411996072750550581248000
• The square root of 129199128790720 is 11366579.4674880093
• The cube root of 129199128790720 is 50553.7288875499

Scales and comparisons

• 129,199,128,790,720 seconds is equal to 4,108,132 years, 34 weeks, 22 hours, 18 minutes, 40 seconds.
• To count from 1 to 129,199,128,790,720 would take you about ten million, two hundred seventy thousand, three hundred thirty-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 129199128790720 cubic inches would be around 4212.8 feet tall.

Recreational maths with 129199128790720

• 129199128790720 backwards is 027097821991921
• The number of decimal digits it has is: 15
• The sum of 129199128790720's digits is 67
• More coming soon!