21262921088

Names of 21262921088

• Cardinal: 21262921088 can be written as Twenty-one billion, two hundred sixty-two million, nine hundred twenty-one thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1262921088 × 10¹⁰

Factors of 21262921088

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 15463

Divisors of 21262921088

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 272 544 661 1088 1322 2176 2644 5288 10576 11237 14783 21152 22474 29566 42304 44948 59132 84608 89896 118264 179792 236528 251311 359584 473056 502622 719168 946112 1005244 1438336 1892224 2010488 4020976 8041952 9771563 16083904 19543126 32167808 39086252 78172504 156345008 166116571 312690016 332233142 625380032 664466284 1250760064 1328932568 2657865136 5315730272 10631460544 21262921088
• Sum of all divisors σ(n): 44922366720
• Sum of proper divisors (its aliquot sum) s(n): 23659445632
• 21262921088 is an abundant number, because the sum of its proper divisors (23659445632) is greater than itself. Its abundance is 2396524544

Bases of 21262921088

• Binary: 10011110011010111100110110110000000₂
• Hexadecimal: 0x4F35E6D80
• Base-36: 9RNE6WW

Squares and roots of 21262921088

• 21262921088 squared (21262921088²) is 452111813194515103744
• 21262921088 cubed (21262921088³) is 9613217806907571845332805353472
• The square root of 21262921088 is 145818.1096023399
• The cube root of 21262921088 is 2770.3904139375

Scales and comparisons

• 21,262,921,088 seconds is equal to 676 years, 4 weeks, 6 days, 14 hours, 58 minutes, 8 seconds.
• To count from 1 to 21,262,921,088 would take you about one thousand, three 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 21262921088 cubic inches would be around 230.9 feet tall.

Recreational maths with 21262921088

• 21262921088 backwards is 88012926212
• The number of decimal digits it has is: 11
• The sum of 21262921088's digits is 41
• More coming soon!