20297472

Names of 20297472

• Cardinal: 20297472 can be written as Twenty million, two hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.0297472 × 10⁷

Factors of 20297472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 144

Divisors of 20297472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 107 114 128 152 156 192 208 214 228 247 256 304 312 321 384 416 428 456 494 608 624 642 741 768 832 856 912 988 1216 1248 1284 1391 1482 1664 1712 1824 1976 2033 2432 2496 2568 2782 2964 3328 3424 3648 3952 4066 4173 4864 4992 5136 5564 5928 6099 6848 7296 7904 8132 8346 9984 10272 11128 11856 12198 13696 14592 15808 16264 16692 20544 22256 23712 24396 26429 27392 31616 32528 33384 41088 44512 47424 48792 52858 63232 65056 66768 79287 82176 89024 94848 97584 105716 130112 133536 158574 178048 189696 195168 211432 260224 267072 317148 356096 390336 422864 520448 534144 634296 780672 845728 1068288 1268592 1561344 1691456 2537184 3382912 5074368 6765824 10148736 20297472
• Sum of all divisors σ(n): 61810560
• Sum of proper divisors (its aliquot sum) s(n): 41513088
• 20297472 is an abundant number, because the sum of its proper divisors (41513088) is greater than itself. Its abundance is 21215616

Bases of 20297472

• Binary: 1001101011011011100000000₂
• Hexadecimal: 0x135B700
• Base-36: C31MO

Squares and roots of 20297472

• 20297472 squared (20297472²) is 411987369590784
• 20297472 cubed (20297472³) is 8362302098622589698048
• The square root of 20297472 is 4505.2715789395
• The cube root of 20297472 is 272.7809161551

Scales and comparisons

• 20,297,472 seconds is equal to 33 weeks, 3 days, 22 hours, 11 minutes, 12 seconds.
• To count from 1 to 20,297,472 would take you about fifty 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 20297472 cubic inches would be around 22.7 feet tall.

Recreational maths with 20297472

• 20297472 backwards is 27479202
• The number of decimal digits it has is: 8
• The sum of 20297472's digits is 33
• More coming soon!