20945160

Names of 20945160

• Cardinal: 20945160 can be written as Twenty million, nine hundred forty-five thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.094516 × 10⁷

Factors of 20945160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 880

Divisors of 20945160

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 73 90 120 146 180 219 292 360 365 438 584 657 730 797 876 1095 1314 1460 1594 1752 2190 2391 2628 2920 3188 3285 3985 4380 4782 5256 6376 6570 7173 7970 8760 9564 11955 13140 14346 15940 19128 23910 26280 28692 31880 35865 47820 57384 58181 71730 95640 116362 143460 174543 232724 286920 290905 349086 465448 523629 581810 698172 872715 1047258 1163620 1396344 1745430 2094516 2327240 2618145 3490860 4189032 5236290 6981720 10472580 20945160
• Sum of all divisors σ(n): 69090840
• Sum of proper divisors (its aliquot sum) s(n): 48145680
• 20945160 is an abundant number, because the sum of its proper divisors (48145680) is greater than itself. Its abundance is 27200520

Bases of 20945160

• Binary: 1001111111001100100001000₂
• Hexadecimal: 0x13F9908
• Base-36: CGXE0

Squares and roots of 20945160

• 20945160 squared (20945160²) is 438699727425600
• 20945160 cubed (20945160³) is 9188635982885580096000
• The square root of 20945160 is 4576.5882489033
• The cube root of 20945160 is 275.6520505019

Scales and comparisons

• 20,945,160 seconds is equal to 34 weeks, 4 days, 10 hours, 6 minutes.
• To count from 1 to 20,945,160 would take you about fifty-one 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 20945160 cubic inches would be around 23 feet tall.

Recreational maths with 20945160

• 20945160 backwards is 06154902
• The number of decimal digits it has is: 8
• The sum of 20945160's digits is 27
• More coming soon!