20799900

Names of 20799900

• Cardinal: 20799900 can be written as Twenty million, seven hundred ninety-nine thousand, nine hundred.

Scientific notation

• Scientific notation: 2.07999 × 10⁷

Factors of 20799900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 212

Divisors of 20799900

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 121 132 150 165 180 191 198 220 225 242 275 300 330 363 382 396 450 484 495 550 573 605 660 726 764 825 900 955 990 1089 1100 1146 1210 1452 1650 1719 1815 1910 1980 2101 2178 2292 2420 2475 2865 3025 3300 3438 3630 3820 4202 4356 4775 4950 5445 5730 6050 6303 6876 7260 8404 8595 9075 9550 9900 10505 10890 11460 12100 12606 14325 17190 18150 18909 19100 21010 21780 23111 25212 27225 28650 31515 34380 36300 37818 42020 42975 46222 52525 54450 57300 63030 69333 75636 85950 92444 94545 105050 108900 115555 126060 138666 157575 171900 189090 207999 210100 231110 277332 315150 346665 378180 415998 462220 472725 577775 630300 693330 831996 945450 1039995 1155550 1386660 1733325 1890900 2079990 2311100 3466650 4159980 5199975 6933300 10399950 20799900
• Sum of all divisors σ(n): 72037056
• Sum of proper divisors (its aliquot sum) s(n): 51237156
• 20799900 is an abundant number, because the sum of its proper divisors (51237156) is greater than itself. Its abundance is 30437256

Bases of 20799900

• Binary: 1001111010110000110011100₂
• Hexadecimal: 0x13D619C
• Base-36: CDTB0

Squares and roots of 20799900

• 20799900 squared (20799900²) is 432635840010000
• 20799900 cubed (20799900³) is 8998782208623999000000
• The square root of 20799900 is 4560.6907371579
• The cube root of 20799900 is 275.0133326869

Scales and comparisons

• 20,799,900 seconds is equal to 34 weeks, 2 days, 17 hours, 45 minutes.
• To count from 1 to 20,799,900 would take you about fifty-one 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 20799900 cubic inches would be around 22.9 feet tall.

Recreational maths with 20799900

• 20799900 backwards is 00999702
• 20799900 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20799900's digits is 36
• More coming soon!