21214512

Names of 21214512

• Cardinal: 21214512 can be written as Twenty-one million, two hundred fourteen thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1214512 × 10⁷

Factors of 21214512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 302

Divisors of 21214512

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 59 66 72 88 99 118 132 144 176 177 198 227 236 264 354 396 454 472 528 531 649 681 708 792 908 944 1062 1298 1362 1416 1584 1816 1947 2043 2124 2497 2596 2724 2832 3632 3894 4086 4248 4994 5192 5448 5841 7491 7788 8172 8496 9988 10384 10896 11682 13393 14982 15576 16344 19976 22473 23364 26786 29964 31152 32688 39952 40179 44946 46728 53572 59928 80358 89892 93456 107144 119856 120537 147323 160716 179784 214288 241074 294646 321432 359568 441969 482148 589292 642864 883938 964296 1178584 1325907 1767876 1928592 2357168 2651814 3535752 5303628 7071504 10607256 21214512
• Sum of all divisors σ(n): 66156480
• Sum of proper divisors (its aliquot sum) s(n): 44941968
• 21214512 is an abundant number, because the sum of its proper divisors (44941968) is greater than itself. Its abundance is 23727456

Bases of 21214512

• Binary: 1010000111011010100110000₂
• Hexadecimal: 0x143B530
• Base-36: CMP80

Squares and roots of 21214512

• 21214512 squared (21214512²) is 450055519398144
• 21214512 cubed (21214512³) is 9547708216938158665728
• The square root of 21214512 is 4605.9214061901
• The cube root of 21214512 is 276.8286375975

Scales and comparisons

• 21,214,512 seconds is equal to 35 weeks, 12 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,214,512 would take you about four 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 21214512 cubic inches would be around 23.1 feet tall.

Recreational maths with 21214512

• 21214512 backwards is 21541212
• 21214512 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21214512's digits is 18
• More coming soon!