21403933040

Names of 21403933040

• Cardinal: 21403933040 can be written as Twenty-one billion, four hundred three million, nine hundred thirty-three thousand and forty.

Scientific notation

• Scientific notation: 2.140393304 × 10¹⁰

Factors of 21403933040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4906

Divisors of 21403933040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1723 1960 3169 3446 3920 6338 6892 8615 12061 12676 13784 15845 17230 22183 24122 25352 27568 31690 34460 44366 48244 50704 60305 63380 68920 84427 88732 96488 110915 120610 126760 137840 155281 168854 177464 192976 221830 241220 253520 310562 337708 354928 422135 443660 482440 621124 675416 776405 844270 887320 964880 1242248 1350832 1552810 1688540 1774640 2484496 3105620 3377080 5460187 6211240 6754160 10920374 12422480 21840748 27300935 38221309 43681496 54601870 76442618 87362992 109203740 152885236 191106545 218407480 267549163 305770472 382213090 436814960 535098326 611540944 764426180 1070196652 1337745815 1528852360 2140393304 2675491630 3057704720 4280786608 5350983260 10701966520 21403933040
• Sum of all divisors σ(n): 57940778160
• Sum of proper divisors (its aliquot sum) s(n): 36536845120
• 21403933040 is an abundant number, because the sum of its proper divisors (36536845120) is greater than itself. Its abundance is 15132912080

Bases of 21403933040

• Binary: 10011111011110001100001100101110000₂
• Hexadecimal: 0x4FBC61970
• Base-36: 9TZCKFK

Squares and roots of 21403933040

• 21403933040 squared (21403933040²) is 458128349580803641600
• 21403933040 cubed (21403933040³) is 9805748518153233214194558464000
• The square root of 21403933040 is 146300.8306196515
• The cube root of 21403933040 is 2776.5011725701

Scales and comparisons

• 21,403,933,040 seconds is equal to 680 years, 30 weeks, 16 hours, 57 minutes, 20 seconds.
• To count from 1 to 21,403,933,040 would take you about one thousand, three hundred sixty-one 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 21403933040 cubic inches would be around 231.4 feet tall.

Recreational maths with 21403933040

• 21403933040 backwards is 04033930412
• The number of decimal digits it has is: 11
• The sum of 21403933040's digits is 29
• More coming soon!