20307540

Names of 20307540

• Cardinal: 20307540 can be written as Twenty million, three hundred seven thousand, five hundred forty.

Scientific notation

• Scientific notation: 2.030754 × 10⁷

Factors of 20307540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1111

Divisors of 20307540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 29 30 33 44 55 58 60 66 87 110 116 132 145 165 174 220 290 319 330 348 435 580 638 660 870 957 1061 1276 1595 1740 1914 2122 3183 3190 3828 4244 4785 5305 6366 6380 9570 10610 11671 12732 15915 19140 21220 23342 30769 31830 35013 46684 58355 61538 63660 70026 92307 116710 123076 140052 153845 175065 184614 233420 307690 338459 350130 369228 461535 615380 676918 700260 923070 1015377 1353836 1692295 1846140 2030754 3384590 4061508 5076885 6769180 10153770 20307540
• Sum of all divisors σ(n): 64229760
• Sum of proper divisors (its aliquot sum) s(n): 43922220
• 20307540 is an abundant number, because the sum of its proper divisors (43922220) is greater than itself. Its abundance is 23614680

Bases of 20307540

• Binary: 1001101011101111001010100₂
• Hexadecimal: 0x135DE54
• Base-36: C39EC

Squares and roots of 20307540

• 20307540 squared (20307540²) is 412396180851600
• 20307540 cubed (20307540³) is 8374751938491101064000
• The square root of 20307540 is 4506.3887981399
• The cube root of 20307540 is 272.8260105115

Scales and comparisons

• 20,307,540 seconds is equal to 33 weeks, 4 days, 59 minutes.
• To count from 1 to 20,307,540 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 20307540 cubic inches would be around 22.7 feet tall.

Recreational maths with 20307540

• 20307540 backwards is 04570302
• The number of decimal digits it has is: 8
• The sum of 20307540's digits is 21
• More coming soon!