21988092

Names of 21988092

• Cardinal: 21988092 can be written as Twenty-one million, nine hundred eighty-eight thousand and ninety-two.

Scientific notation

• Scientific notation: 2.1988092 × 10⁷

Factors of 21988092

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 653

Divisors of 21988092

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 19 21 23 28 38 42 46 57 69 76 84 92 114 133 138 161 228 266 276 322 399 437 483 532 599 644 798 874 966 1198 1311 1596 1748 1797 1932 2396 2622 3059 3594 4193 5244 6118 7188 8386 9177 11381 12236 12579 13777 16772 18354 22762 25158 27554 34143 36708 41331 45524 50316 55108 68286 79667 82662 96439 136572 159334 165324 192878 239001 261763 289317 318668 385756 478002 523526 578634 785289 956004 1047052 1157268 1570578 1832341 3141156 3664682 5497023 7329364 10994046 21988092
• Sum of all divisors σ(n): 64512000
• Sum of proper divisors (its aliquot sum) s(n): 42523908
• 21988092 is an abundant number, because the sum of its proper divisors (42523908) is greater than itself. Its abundance is 20535816

Bases of 21988092

• Binary: 1010011111000001011111100₂
• Hexadecimal: 0x14F82FC
• Base-36: D3A4C

Squares and roots of 21988092

• 21988092 squared (21988092²) is 483476189800464
• 21988092 cubed (21988092³) is 10630718941142064074688
• The square root of 21988092 is 4689.1461909391
• The cube root of 21988092 is 280.1533683589

Scales and comparisons

• 21,988,092 seconds is equal to 36 weeks, 2 days, 11 hours, 48 minutes, 12 seconds.
• To count from 1 to 21,988,092 would take you about two weeks!

  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 21988092 cubic inches would be around 23.3 feet tall.

Recreational maths with 21988092

• 21988092 backwards is 29088912
• The number of decimal digits it has is: 8
• The sum of 21988092's digits is 39
• More coming soon!