20474748

Names of 20474748

• Cardinal: 20474748 can be written as Twenty million, four hundred seventy-four thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 2.0474748 × 10⁷

Factors of 20474748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138

Divisors of 20474748

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 53 54 63 73 84 98 106 108 126 146 147 159 189 196 212 219 252 292 294 318 371 378 438 441 477 511 588 636 657 742 756 876 882 954 1022 1113 1314 1323 1431 1484 1533 1764 1908 1971 2044 2226 2597 2628 2646 2862 3066 3339 3577 3869 3942 4452 4599 5194 5292 5724 6132 6678 7154 7738 7791 7884 9198 10017 10388 10731 11607 13356 13797 14308 15476 15582 18396 20034 21462 23214 23373 27083 27594 31164 32193 34821 40068 42924 46428 46746 54166 55188 64386 69642 70119 81249 93492 96579 104463 108332 128772 139284 140238 162498 189581 193158 208926 243747 280476 324996 379162 386316 417852 487494 568743 731241 758324 974988 1137486 1462482 1706229 2274972 2924964 3412458 5118687 6824916 10237374 20474748
• Sum of all divisors σ(n): 63776160
• Sum of proper divisors (its aliquot sum) s(n): 43301412
• 20474748 is an abundant number, because the sum of its proper divisors (43301412) is greater than itself. Its abundance is 22826664

Bases of 20474748

• Binary: 1001110000110101101111100₂
• Hexadecimal: 0x1386B7C
• Base-36: C6UF0

Squares and roots of 20474748

• 20474748 squared (20474748²) is 419215305663504
• 20474748 cubed (20474748³) is 8583327741203217196992
• The square root of 20474748 is 4524.9030928849
• The cube root of 20474748 is 273.5727619853

Scales and comparisons

• 20,474,748 seconds is equal to 33 weeks, 5 days, 23 hours, 25 minutes, 48 seconds.
• To count from 1 to 20,474,748 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 20474748 cubic inches would be around 22.8 feet tall.

Recreational maths with 20474748

• 20474748 backwards is 84747402
• 20474748 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20474748's digits is 36
• More coming soon!