21496020

Names of 21496020

• Cardinal: 21496020 can be written as Twenty-one million, four hundred ninety-six thousand and twenty.

Scientific notation

• Scientific notation: 2.149602 × 10⁷

Factors of 21496020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 188

Divisors of 21496020

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 31 35 39 42 52 60 62 65 70 78 84 91 93 105 124 127 130 140 155 156 182 186 195 210 217 254 260 273 310 364 372 381 390 403 420 434 455 465 508 546 620 635 651 762 780 806 868 889 910 930 1085 1092 1209 1270 1302 1365 1524 1612 1651 1778 1820 1860 1905 2015 2170 2418 2540 2604 2667 2730 2821 3255 3302 3556 3810 3937 4030 4340 4445 4836 4953 5334 5460 5642 6045 6510 6604 7620 7874 8060 8255 8463 8890 9906 10668 11284 11557 11811 12090 13020 13335 14105 15748 16510 16926 17780 19685 19812 23114 23622 24180 24765 26670 27559 28210 33020 33852 34671 39370 42315 46228 47244 49530 51181 53340 55118 56420 57785 59055 69342 78740 82677 84630 99060 102362 110236 115570 118110 137795 138684 153543 165354 169260 173355 204724 231140 236220 255905 275590 307086 330708 346710 358267 413385 511810 551180 614172 693420 716534 767715 826770 1023620 1074801 1433068 1535430 1653540 1791335 2149602 3070860 3582670 4299204 5374005 7165340 10748010 21496020
• Sum of all divisors σ(n): 77070336
• Sum of proper divisors (its aliquot sum) s(n): 55574316
• 21496020 is an abundant number, because the sum of its proper divisors (55574316) is greater than itself. Its abundance is 34078296

Bases of 21496020

• Binary: 1010010000000000011010100₂
• Hexadecimal: 0x14800D4
• Base-36: CSQFO

Squares and roots of 21496020

• 21496020 squared (21496020²) is 462078875840400
• 21496020 cubed (21496020³) is 9932856756642755208000
• The square root of 21496020 is 4636.3800534469
• The cube root of 21496020 is 278.0477291547

Scales and comparisons

• 21,496,020 seconds is equal to 35 weeks, 3 days, 19 hours, 7 minutes.
• To count from 1 to 21,496,020 would take you about two days!

  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 21496020 cubic inches would be around 23.2 feet tall.

Recreational maths with 21496020

• 21496020 backwards is 02069412
• The number of decimal digits it has is: 8
• The sum of 21496020's digits is 24
• More coming soon!