421105172868

Names of 421105172868

• Cardinal: 421105172868 can be written as Four hundred twenty-one billion, one hundred five million, one hundred seventy-two thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.21105172868 × 10¹¹

Factors of 421105172868

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 182033

Divisors of 421105172868

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 24799 49598 74397 99196 148794 157229 223191 297588 314458 446382 471687 628916 669573 892764 943374 1339146 1415061 1886748 2678292 2830122 4245183 5660244 8490366 16980732 3899121971 7798243942 11697365913 15596487884 23394731826 35092097739 46789463652 70184195478 105276293217 140368390956 210552586434 421105172868
• Sum of all divisors σ(n): 1091805120000
• Sum of proper divisors (its aliquot sum) s(n): 670699947132
• 421105172868 is an abundant number, because the sum of its proper divisors (670699947132) is greater than itself. Its abundance is 249594774264

Bases of 421105172868

• Binary: 110001000001011110100110000000110000100₂
• Hexadecimal: 0x620BD30184
• Base-36: 5DGB5AX0

Squares and roots of 421105172868

• 421105172868 squared (421105172868²) is 177329566616188163345424
• 421105172868 cubed (421105172868³) is 74674397804517438332790194716756032
• The square root of 421105172868 is 648926.1690423649
• The cube root of 421105172868 is 7495.4352837857

Scales and comparisons

• 421,105,172,868 seconds is equal to 13,389 years, 43 weeks, 5 days, 11 hours, 7 minutes, 48 seconds.
• To count from 1 to 421,105,172,868 would take you about twenty-six thousand, seven hundred seventy-nine 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 421105172868 cubic inches would be around 624.6 feet tall.

Recreational maths with 421105172868

• 421105172868 backwards is 868271501124
• The number of decimal digits it has is: 12
• The sum of 421105172868's digits is 45
• More coming soon!