20789043920

Names of 20789043920

• Cardinal: 20789043920 can be written as Twenty billion, seven hundred eighty-nine million, forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.078904392 × 10¹⁰

Factors of 20789043920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2544

Divisors of 20789043920

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 40 62 80 113 124 155 226 248 310 452 496 565 620 904 961 1130 1240 1808 1922 2260 2393 2480 3503 3844 4520 4786 4805 7006 7688 9040 9572 9610 11965 14012 15376 17515 19144 19220 23930 28024 35030 38288 38440 47860 56048 70060 74183 76880 95720 108593 140120 148366 191440 217186 270409 280240 296732 370915 434372 540818 542965 593464 741830 868744 1081636 1085930 1186928 1352045 1483660 1737488 2163272 2171860 2299673 2704090 2967320 4326544 4343720 4599346 5408180 5934640 8382679 8687440 9198692 10816360 11498365 16765358 18397384 21632720 22996730 33530716 36794768 41913395 45993460 67061432 83826790 91986920 134122864 167653580 183973840 259863049 335307160 519726098 670614320 1039452196 1299315245 2078904392 2598630490 4157808784 5197260980 10394521960 20789043920
• Sum of all divisors σ(n): 50407039368
• Sum of proper divisors (its aliquot sum) s(n): 29617995448
• 20789043920 is an abundant number, because the sum of its proper divisors (29617995448) is greater than itself. Its abundance is 8828951528

Bases of 20789043920

• Binary: 10011010111000111111010001011010000₂
• Hexadecimal: 0x4D71FA2D0
• Base-36: 9JT9CY8

Squares and roots of 20789043920

• 20789043920 squared (20789043920²) is 432184347107688966400
• 20789043920 cubed (20789043920³) is 8984699373558270892189004288000
• The square root of 20789043920 is 144184.0626421659
• The cube root of 20789043920 is 2749.6547850957

Scales and comparisons

• 20,789,043,920 seconds is equal to 661 years, 1 week, 2 days, 22 hours, 25 minutes, 20 seconds.
• To count from 1 to 20,789,043,920 would take you about one thousand, three hundred twenty-two years!

  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 20789043920 cubic inches would be around 229.1 feet tall.

Recreational maths with 20789043920

• 20789043920 backwards is 02934098702
• The number of decimal digits it has is: 11
• The sum of 20789043920's digits is 44
• More coming soon!