20900440890

Names of 20900440890

• Cardinal: 20900440890 can be written as Twenty billion, nine hundred million, four hundred forty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.090044089 × 10¹⁰

Factors of 20900440890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 328

Divisors of 20900440890

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 311 315 343 441 490 622 630 686 735 882 933 1029 1470 1555 1715 1866 2058 2177 2205 2401 2799 3087 3110 3430 4354 4410 4665 4802 5145 5598 6174 6531 7203 9330 10290 10885 12005 13062 13995 14406 15239 15435 19593 21609 21770 24010 27990 30478 30870 32655 36015 39186 43218 45717 65310 72030 76195 91434 96721 97965 106673 108045 137151 152390 193442 195930 213346 216090 228585 274302 290163 320019 457170 483605 533365 580326 640038 677047 685755 746711 870489 960057 967210 1066730 1354094 1371510 1450815 1493422 1600095 1740978 1920114 2031141 2240133 2901630 3200190 3385235 3733555 4062282 4352445 4480266 4739329 4800285 6093423 6720399 6770470 7467110 8704890 9478658 9600570 10155705 11200665 12186846 13440798 14217987 20311410 22401330 23696645 28435974 30467115 33175303 33601995 42653961 47393290 60934230 66350606 67203990 71089935 85307922 99525909 142179870 165876515 199051818 213269805 232227121 298577727 331753030 426539610 464454242 497629545 597155454 696681363 995259090 1161135605 1393362726 1492888635 2090044089 2322271210 2985777270 3483406815 4180088178 6966813630 10450220445 20900440890
• Sum of all divisors σ(n): 63598727322
• Sum of proper divisors (its aliquot sum) s(n): 42698286432
• 20900440890 is an abundant number, because the sum of its proper divisors (42698286432) is greater than itself. Its abundance is 21797845542

Bases of 20900440890

• Binary: 10011011101110000110110101100111010₂
• Hexadecimal: 0x4DDC36B3A
• Base-36: 9LNKZEI

Squares and roots of 20900440890

• 20900440890 squared (20900440890²) is 436828429396383992100
• 20900440890 cubed (20900440890³) is 9129906767670662006628276969000
• The square root of 20900440890 is 144569.8477899177
• The cube root of 20900440890 is 2754.5573310809

Scales and comparisons

• 20,900,440,890 seconds is equal to 664 years, 29 weeks, 4 days, 6 hours, 1 minute, 30 seconds.
• To count from 1 to 20,900,440,890 would take you about one thousand, three hundred twenty-nine 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 20900440890 cubic inches would be around 229.5 feet tall.

Recreational maths with 20900440890

• 20900440890 backwards is 09804400902
• The number of decimal digits it has is: 11
• The sum of 20900440890's digits is 36
• More coming soon!