129426384321

Names of 129426384321

• Cardinal: 129426384321 can be written as One hundred twenty-nine billion, four hundred twenty-six million, three hundred eighty-four thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.29426384321 × 10¹¹

Factors of 129426384321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 45551

Divisors of 129426384321

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 13 39 41 117 123 369 533 601 1599 1803 4797 5409 7813 23439 24641 44893 70317 73923 134679 221769 320333 404037 583609 960999 1750827 1840613 2882997 5252481 5521839 16565517 23927969 26980693 71783907 80942079 215351721 242826237 350749009 1052247027 1106208413 3156741081 3318625239 9955875717 14380709369 43142128107 129426384321
• Sum of all divisors σ(n): 206588181072
• Sum of proper divisors (its aliquot sum) s(n): 77161796751
• 129426384321 is a deficient number, because the sum of its proper divisors (77161796751) is less than itself. Its deficiency is 52264587570

Bases of 129426384321

• Binary: 1111000100010011010011110010111000001₂
• Hexadecimal: 0x1E2269E5C1
• Base-36: 1NGH4LA9

Squares and roots of 129426384321

• 129426384321 squared (129426384321²) is 16751188958407194631041
• 129426384321 cubed (129426384321³) is 2168045819964501256328560262308161
• The square root of 129426384321 is 359758.7863013217
• The cube root of 129426384321 is 5058.3352113755

Scales and comparisons

• 129,426,384,321 seconds is equal to 4,115 years, 18 weeks, 4 days, 13 hours, 25 minutes, 21 seconds.
• To count from 1 to 129,426,384,321 would take you about eight thousand, two hundred thirty 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 129426384321 cubic inches would be around 421.5 feet tall.

Recreational maths with 129426384321

• 129426384321 backwards is 123483624921
• The number of decimal digits it has is: 12
• The sum of 129426384321's digits is 45
• More coming soon!