129984408990

Names of 129984408990

• Cardinal: 129984408990 can be written as One hundred twenty-nine billion, nine hundred eighty-four million, four hundred eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2998440899 × 10¹¹

Factors of 129984408990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48870

Divisors of 129984408990

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 3541 7082 10623 17705 21246 31869 35410 45319 53115 63738 90638 95607 106230 135957 159345 191214 226595 271914 286821 318690 407871 453190 478035 573642 679785 815742 956070 1223613 1359570 1434105 2039355 2447226 2868210 3670839 4078710 6118065 7341678 12236130 18354195 36708390 160474579 320949158 481423737 802372895 962847474 1444271211 1604745790 2407118685 2888542422 4332813633 4814237370 7221356055 8665627266 12998440899 14442712110 21664068165 25996881798 43328136330 64992204495 129984408990
• Sum of all divisors σ(n): 349620052320
• Sum of proper divisors (its aliquot sum) s(n): 219635643330
• 129984408990 is an abundant number, because the sum of its proper divisors (219635643330) is greater than itself. Its abundance is 89651234340

Bases of 129984408990

• Binary: 1111001000011101011001010110110011110₂
• Hexadecimal: 0x1E43ACAD9E
• Base-36: 1NPPCZVI

Squares and roots of 129984408990

• 129984408990 squared (129984408990²) is 16895946580479592820100
• 129984408990 cubed (129984408990³) is 2196209630590251343476545892699000
• The square root of 129984408990 is 360533.5060573427
• The cube root of 129984408990 is 5065.5944958967

Scales and comparisons

• 129,984,408,990 seconds is equal to 4,133 years, 5 weeks, 2 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 129,984,408,990 would take you about eight thousand, two hundred sixty-six 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 129984408990 cubic inches would be around 422.1 feet tall.

Recreational maths with 129984408990

• 129984408990 backwards is 099804489921
• The number of decimal digits it has is: 12
• The sum of 129984408990's digits is 63
• More coming soon!