21406950

Names of 21406950

• Cardinal: 21406950 can be written as Twenty-one million, four hundred six thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 2.140695 × 10⁷

Factors of 21406950

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 268

Divisors of 21406950

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 101 135 150 157 202 225 270 303 314 450 471 505 606 675 785 909 942 1010 1350 1413 1515 1570 1818 2355 2525 2727 2826 3030 3925 4239 4545 4710 5050 5454 7065 7575 7850 8478 9090 11775 13635 14130 15150 15857 21195 22725 23550 27270 31714 35325 42390 45450 47571 68175 70650 79285 95142 105975 136350 142713 158570 211950 237855 285426 396425 428139 475710 713565 792850 856278 1189275 1427130 2140695 2378550 3567825 4281390 7135650 10703475 21406950
• Sum of all divisors σ(n): 59951520
• Sum of proper divisors (its aliquot sum) s(n): 38544570
• 21406950 is an abundant number, because the sum of its proper divisors (38544570) is greater than itself. Its abundance is 17137620

Bases of 21406950

• Binary: 1010001101010010011100110₂
• Hexadecimal: 0x146A4E6
• Base-36: CQTPI

Squares and roots of 21406950

• 21406950 squared (21406950²) is 458257508302500
• 21406950 cubed (21406950³) is 9809895567356202375000
• The square root of 21406950 is 4626.7645282639
• The cube root of 21406950 is 277.6631618993

Scales and comparisons

• 21,406,950 seconds is equal to 35 weeks, 2 days, 18 hours, 22 minutes, 30 seconds.
• To count from 1 to 21,406,950 would take you about fifteen hours!

  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 21406950 cubic inches would be around 23.1 feet tall.

Recreational maths with 21406950

• 21406950 backwards is 05960412
• 21406950 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21406950's digits is 27
• More coming soon!