20900466972

Names of 20900466972

• Cardinal: 20900466972 can be written as Twenty billion, nine hundred million, four hundred sixty-six thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 2.0900466972 × 10¹⁰

Factors of 20900466972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 22165

Divisors of 20900466972

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 31 33 36 42 44 62 63 66 77 84 93 99 121 124 126 132 154 186 198 217 231 242 252 279 308 341 363 372 396 434 462 484 558 651 682 693 726 847 868 924 1023 1089 1116 1302 1364 1386 1452 1694 1953 2046 2178 2387 2541 2604 2772 3069 3388 3751 3906 4092 4356 4774 5082 6138 7161 7502 7623 7812 9548 10164 11253 12276 14322 15004 15246 21483 22111 22506 26257 28644 30492 33759 42966 44222 45012 52514 66333 67518 78771 85932 88444 105028 132666 135036 154777 157542 198999 236313 243221 265332 309554 315084 397998 464331 472626 486442 619108 685441 729663 795996 928662 945252 972884 1370882 1392993 1459326 1702547 1857324 2056323 2188989 2675431 2741764 2785986 2918652 3405094 4112646 4377978 4798087 5107641 5350862 5571972 6168969 6810188 7539851 8026293 8225292 8755956 9596174 10215282 10701724 12337938 14394261 15079702 15322923 16052586 18728017 19192348 20430564 22619553 24078879 24675876 28788522 30159404 30645846 32105172 37456034 43182783 45239106 48157758 52778957 56184051 57577044 61291692 67858659 74912068 82938361 86365566 90478212 96315516 105557914 112368102 135717318 158336871 165876722 168552153 172731132 211115828 224736204 248815083 271434636 316673742 331753444 337104306 475010613 497630166 580568527 633347484 674208612 746445249 950021226 995260332 1161137054 1492890498 1741705581 1900042452 2322274108 2985780996 3483411162 5225116743 6966822324 10450233486 20900466972
• Sum of all divisors σ(n): 68511113216
• Sum of proper divisors (its aliquot sum) s(n): 47610646244
• 20900466972 is an abundant number, because the sum of its proper divisors (47610646244) is greater than itself. Its abundance is 26710179272

Bases of 20900466972

• Binary: 10011011101110000111101000100011100₂
• Hexadecimal: 0x4DDC3D11C
• Base-36: 9LNLJJ0

Squares and roots of 20900466972

• 20900466972 squared (20900466972²) is 436829519647662848784
• 20900466972 cubed (20900466972³) is 9129940947790602448001422362048
• The square root of 20900466972 is 144569.9379954215
• The cube root of 20900466972 is 2754.5584768993

Scales and comparisons

• 20,900,466,972 seconds is equal to 664 years, 29 weeks, 4 days, 13 hours, 16 minutes, 12 seconds.
• To count from 1 to 20,900,466,972 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 20900466972 cubic inches would be around 229.5 feet tall.

Recreational maths with 20900466972

• 20900466972 backwards is 27966400902
• The number of decimal digits it has is: 11
• The sum of 20900466972's digits is 45
• More coming soon!