129140120800890

Names of 129140120800890

• Cardinal: 129140120800890 can be written as One hundred twenty-nine trillion, one hundred forty billion, one hundred twenty million, eight hundred thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.2914012080089 × 10¹⁴

Factors of 129140120800890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4077999

Divisors of 129140120800890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 85 90 102 135 153 170 255 270 306 459 510 765 918 1530 2295 4590 6911 13822 20733 34555 41466 62199 69110 103665 117487 124398 186597 207330 234974 310995 352461 373194 587435 621990 704922 932985 1057383 1174870 1762305 1865970 2114766 3172149 3524610 4071061 5286915 6344298 8142122 10573830 12213183 15860745 20355305 24426366 31721490 36639549 40710610 61065915 69208037 73279098 109918647 122131830 138416074 183197745 207624111 219837294 346040185 366395490 415248222 549593235 622872333 692080370 1038120555 1099186470 1245744666 1868616999 2076241110 3114361665 3737233998 6228723330 9343084995 18686169990 28135102571 56270205142 84405307713 140675512855 168810615426 253215923139 281351025710 422026538565 478296743707 506431846278 759647769417 844053077130 956593487414 1266079615695 1434890231121 1519295538834 2391483718535 2532159231390 2869780462242 3798238847085 4304670693363 4782967437070 7174451155605 7596477694170 8609341386726 12914012080089 14348902311210 21523353466815 25828024160178 43046706933630 64570060400445 129140120800890
• Sum of all divisors σ(n): 364683779850240
• Sum of proper divisors (its aliquot sum) s(n): 235543659049350
• 129140120800890 is an abundant number, because the sum of its proper divisors (235543659049350) is greater than itself. Its abundance is 106403538248460

Bases of 129140120800890

• Binary: 11101010111001111000111000001101100111001111010₂
• Hexadecimal: 0x7573C706CE7A
• Base-36: 19RY5HMIYI

Squares and roots of 129140120800890

• 129140120800890 squared (129140120800890²) is 16677170800468462055024792100
• 129140120800890 cubed (129140120800890³) is 2153691851789572568388534830017857744969000
• The square root of 129140120800890 is 11363983.4917554329
• The cube root of 129140120800890 is 50546.0313945205

Scales and comparisons

• 129,140,120,800,890 seconds is equal to 4,106,256 years, 20 weeks, 2 hours, 1 minute, 30 seconds.
• To count from 1 to 129,140,120,800,890 would take you about ten million, two hundred sixty-five thousand, six hundred forty 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 129140120800890 cubic inches would be around 4212.2 feet tall.

Recreational maths with 129140120800890

• 129140120800890 backwards is 098008021041921
• 129140120800890 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129140120800890's digits is 45
• More coming soon!