129595977529720

Names of 129595977529720

• Cardinal: 129595977529720 can be written as One hundred twenty-nine trillion, five hundred ninety-five billion, nine hundred seventy-seven million, five hundred twenty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2959597752972 × 10¹⁴

Factors of 129595977529720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 520299108

Divisors of 129595977529720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 479 520 958 1916 2395 3832 4790 6227 9580 12454 19160 24908 31135 49816 62270 124540 249080 520298609 1040597218 2081194436 2601493045 4162388872 5202986090 6763881917 10405972180 13527763834 20811944360 27055527668 33819409585 54111055336 67638819170 135277638340 249223033711 270555276680 498446067422 996892134844 1246115168555 1993784269688 2492230337110 3239899438243 4984460674220 6479798876486 9968921348440 12959597752972 16199497191215 25919195505944 32398994382430 64797988764860 129595977529720
• Sum of all divisors σ(n): 314676599328000
• Sum of proper divisors (its aliquot sum) s(n): 185080621798280
• 129595977529720 is an abundant number, because the sum of its proper divisors (185080621798280) is greater than itself. Its abundance is 55484644268560

Bases of 129595977529720

• Binary: 11101011101110111101010001101000111100101111000₂
• Hexadecimal: 0x75DDEA347978
• Base-36: 19XRKIYA2G

Squares and roots of 129595977529720

• 129595977529720 squared (129595977529720²) is 16795117391883691153483278400
• 129595977529720 cubed (129595977529720³) is 2176579656127568410230551295234159034048000
• The square root of 129595977529720 is 11384022.9062366173
• The cube root of 129595977529720 is 50605.4363505231

Scales and comparisons

• 129,595,977,529,720 seconds is equal to 4,120,751 years, 11 weeks, 2 days, 15 hours, 8 minutes, 40 seconds.
• To count from 1 to 129,595,977,529,720 would take you about ten million, three hundred one thousand, eight hundred seventy-eight 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 129595977529720 cubic inches would be around 4217.1 feet tall.

Recreational maths with 129595977529720

• 129595977529720 backwards is 027925779595921
• The number of decimal digits it has is: 15
• The sum of 129595977529720's digits is 79
• More coming soon!