129764769216

Names of 129764769216

• Cardinal: 129764769216 can be written as One hundred twenty-nine billion, seven hundred sixty-four million, seven hundred sixty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.29764769216 × 10¹¹

Factors of 129764769216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3629

Divisors of 129764769216

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 53 64 96 106 159 192 212 318 424 636 848 1272 1696 2544 3392 3571 5088 7142 10176 10713 14284 21426 28568 42852 57136 85704 114272 171408 189263 228544 342816 378526 567789 685632 757052 1135578 1514104 2271156 3028208 4542312 6056416 9084624 12112832 12752041 18169248 25504082 36338496 38256123 51008164 76512246 102016328 153024492 204032656 306048984 408065312 612097968 675858173 816130624 1224195936 1351716346 2027574519 2448391872 2703432692 4055149038 5406865384 8110298076 10813730768 16220596152 21627461536 32441192304 43254923072 64882384608 129764769216
• Sum of all divisors σ(n): 349911975816
• Sum of proper divisors (its aliquot sum) s(n): 220147206600
• 129764769216 is an abundant number, because the sum of its proper divisors (220147206600) is greater than itself. Its abundance is 90382437384

Bases of 129764769216

• Binary: 1111000110110100101010011110111000000₂
• Hexadecimal: 0x1E36953DC0
• Base-36: 1NM2LCQO

Squares and roots of 129764769216

• 129764769216 squared (129764769216²) is 16838895329681741254656
• 129764769216 cubed (129764769216³) is 2185095366308531388639462125469696
• The square root of 129764769216 is 360228.7734426555
• The cube root of 129764769216 is 5062.7397091849

Scales and comparisons

• 129,764,769,216 seconds is equal to 4,126 years, 6 weeks, 1 day, 1 hour, 13 minutes, 36 seconds.
• To count from 1 to 129,764,769,216 would take you about eight thousand, two hundred fifty-two 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 129764769216 cubic inches would be around 421.9 feet tall.

Recreational maths with 129764769216

• 129764769216 backwards is 612967467921
• The number of decimal digits it has is: 12
• The sum of 129764769216's digits is 60
• More coming soon!