129340676520

Names of 129340676520

• Cardinal: 129340676520 can be written as One hundred twenty-nine billion, three hundred forty million, six hundred seventy-six thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.2934067652 × 10¹¹

Factors of 129340676520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 882809

Divisors of 129340676520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 37 40 44 45 55 60 66 72 74 88 90 99 110 111 120 132 148 165 180 185 198 220 222 264 296 330 333 360 370 396 407 440 444 495 555 660 666 740 792 814 888 990 1110 1221 1320 1332 1480 1628 1665 1980 2035 2220 2442 2664 3256 3330 3663 3960 4070 4440 4884 6105 6660 7326 8140 9768 12210 13320 14652 16280 18315 24420 29304 36630 48840 73260 146520 882751 1765502 2648253 3531004 4413755 5296506 7062008 7944759 8827510 9710261 10593012 13241265 15889518 17655020 19420522 21186024 26482530 29130783 31779036 32661787 35310040 38841044 39723795 48551305 52965060 58261566 63558072 65323574 77682088 79447590 87392349 97102610 97985361 105930120 116523132 130647148 145653915 158895180 163308935 174784698 194205220 195970722 233046264 261294296 291307830 293956083 317790360 326617870 349569396 359279657 388410440 391941444 436961745 489926805 582615660 587912166 653235740 699138792 718559314 783882888 873923490 979853610 1077838971 1165231320 1175824332 1306471480 1437118628 1469780415 1747846980 1796398285 1959707220 2155677942 2351648664 2874237256 2939560830 3233516913 3495693960 3592796570 3919414440 4311355884 5389194855 5879121660 6467033826 7185593140 8622711768 10778389710 11758243320 12934067652 14371186280 16167584565 21556779420 25868135304 32335169130 43113558840 64670338260 129340676520
• Sum of all divisors σ(n): 470965847040
• Sum of proper divisors (its aliquot sum) s(n): 341625170520
• 129340676520 is an abundant number, because the sum of its proper divisors (341625170520) is greater than itself. Its abundance is 212284494000

Bases of 129340676520

• Binary: 1111000011101010011100001100110101000₂
• Hexadecimal: 0x1E1D4E19A8
• Base-36: 1NF23KQ0

Squares and roots of 129340676520

• 129340676520 squared (129340676520²) is 16729010602651279310400
• 129340676520 cubed (129340676520³) is 2163741548857169371650615071808000
• The square root of 129340676520 is 359639.6481479759
• The cube root of 129340676520 is 5057.2184001383

Scales and comparisons

• 129,340,676,520 seconds is equal to 4,112 years, 32 weeks, 6 days, 13 hours, 42 minutes.
• To count from 1 to 129,340,676,520 would take you about eight thousand, two hundred twenty-five 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 129340676520 cubic inches would be around 421.4 feet tall.

Recreational maths with 129340676520

• 129340676520 backwards is 025676043921
• 129340676520 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129340676520's digits is 45
• More coming soon!