21106272

Names of 21106272

• Cardinal: 21106272 can be written as Twenty-one million, one hundred six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1106272 × 10⁷

Factors of 21106272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 118

Divisors of 21106272

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 32 33 44 46 48 66 69 79 88 92 96 121 132 138 158 176 184 237 242 253 264 276 316 352 363 368 474 484 506 528 552 632 726 736 759 869 948 968 1012 1056 1104 1264 1452 1518 1738 1817 1896 1936 2024 2208 2528 2607 2783 2904 3036 3476 3634 3792 3872 4048 5214 5451 5566 5808 6072 6952 7268 7584 8096 8349 9559 10428 10902 11132 11616 12144 13904 14536 16698 19118 19987 20856 21804 22264 24288 27808 28677 29072 33396 38236 39974 41712 43608 44528 57354 58144 59961 66792 76472 79948 83424 87216 89056 114708 119922 133584 152944 159896 174432 219857 229416 239844 267168 305888 319792 439714 458832 479688 639584 659571 879428 917664 959376 1319142 1758856 1918752 2638284 3517712 5276568 7035424 10553136 21106272
• Sum of all divisors σ(n): 64350720
• Sum of proper divisors (its aliquot sum) s(n): 43244448
• 21106272 is an abundant number, because the sum of its proper divisors (43244448) is greater than itself. Its abundance is 22138176

Bases of 21106272

• Binary: 1010000100000111001100000₂
• Hexadecimal: 0x1420E60
• Base-36: CKDPC

Squares and roots of 21106272

• 21106272 squared (21106272²) is 445474717737984
• 21106272 cubed (21106272³) is 9402310561701115035648
• The square root of 21106272 is 4594.1562881557
• The cube root of 21106272 is 276.3570258849

Scales and comparisons

• 21,106,272 seconds is equal to 34 weeks, 6 days, 6 hours, 51 minutes, 12 seconds.
• To count from 1 to 21,106,272 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 21106272 cubic inches would be around 23 feet tall.

Recreational maths with 21106272

• 21106272 backwards is 27260112
• The number of decimal digits it has is: 8
• The sum of 21106272's digits is 21
• More coming soon!