21846198990

Names of 21846198990

• Cardinal: 21846198990 can be written as Twenty-one billion, eight hundred forty-six million, one hundred ninety-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.184619899 × 10¹⁰

Factors of 21846198990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 106378

Divisors of 21846198990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 89 105 110 154 165 178 210 231 267 330 385 445 462 534 623 770 890 979 1155 1246 1335 1869 1958 2310 2670 2937 3115 3738 4895 5874 6230 6853 9345 9790 13706 14685 18690 20559 29370 34265 41118 68530 102795 106261 205590 212522 318783 531305 637566 743827 1062610 1168871 1487654 1593915 2231481 2337742 3187830 3506613 3719135 4462962 5844355 7013226 7438270 8182097 9457229 11157405 11688710 16364194 17533065 18914458 22314810 24546291 28371687 35066130 40910485 47286145 49092582 56743374 66200603 81820970 94572290 104029519 122731455 132401206 141858435 198601809 208059038 245462910 283716870 312088557 331003015 397203618 520147595 624177114 662006030 728206633 993009045 1040295190 1456413266 1560442785 1986018090 2184619899 3120885570 3641033165 4369239798 7282066330 10923099495 21846198990
• Sum of all divisors σ(n): 66103464960
• Sum of proper divisors (its aliquot sum) s(n): 44257265970
• 21846198990 is an abundant number, because the sum of its proper divisors (44257265970) is greater than itself. Its abundance is 22411066980

Bases of 21846198990

• Binary: 10100010110001000101000101011001110₂
• Hexadecimal: 0x516228ACE
• Base-36: A1ANV0U

Squares and roots of 21846198990

• 21846198990 squared (21846198990²) is 477256410310677020100
• 21846198990 cubed (21846198990³) is 10426238508900137902724829699000
• The square root of 21846198990 is 147804.5973236287
• The cube root of 21846198990 is 2795.4944115099

Scales and comparisons

• 21,846,198,990 seconds is equal to 694 years, 33 weeks, 2 days, 12 hours, 36 minutes, 30 seconds.
• To count from 1 to 21,846,198,990 would take you about one thousand, three hundred eighty-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 21846198990 cubic inches would be around 233 feet tall.

Recreational maths with 21846198990

• 21846198990 backwards is 09989164812
• The number of decimal digits it has is: 11
• The sum of 21846198990's digits is 57
• More coming soon!