20889437520

Names of 20889437520

• Cardinal: 20889437520 can be written as Twenty billion, eight hundred eighty-nine million, four hundred thirty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.088943752 × 10¹⁰

Factors of 20889437520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5316

Divisors of 20889437520

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 35 38 40 42 48 56 57 60 70 76 80 84 95 105 112 114 120 127 133 140 152 168 190 210 228 240 254 266 280 285 304 336 380 381 399 420 456 508 532 560 570 635 665 760 762 798 840 889 912 1016 1064 1140 1270 1330 1520 1524 1596 1680 1778 1905 1995 2032 2128 2280 2413 2540 2660 2667 3048 3192 3556 3810 3990 4445 4560 4826 5080 5153 5320 5334 6096 6384 7112 7239 7620 7980 8890 9652 10160 10306 10640 10668 12065 13335 14224 14478 15240 15459 15960 16891 17780 19304 20612 21336 24130 25765 26670 28956 30480 30918 31920 33782 35560 36071 36195 38608 41224 42672 48260 50673 51530 53340 57912 61836 67564 71120 72142 72390 77295 82448 84455 96520 97907 101346 103060 106680 108213 115824 123672 135128 144284 144780 154590 168910 180355 193040 195814 202692 206120 213360 216426 247344 253365 270256 288568 289560 293721 309180 337820 360710 391628 405384 412240 432852 489535 506730 541065 577136 579120 587442 618360 654431 675640 685349 721420 783256 810768 865704 979070 1013460 1082130 1174884 1236720 1308862 1351280 1370698 1442840 1468605 1566512 1731408 1958140 1963293 2026920 2056047 2164260 2349768 2617724 2741396 2885680 2937210 3272155 3426745 3916280 3926586 4053840 4112094 4328520 4581017 4699536 5235448 5482792 5874420 6544310 6853490 7832560 7853172 8224188 8657040 9162034 9816465 10280235 10470896 10965584 11748840 12434189 13088620 13706980 13743051 15706344 16448376 18324068 19632930 20560470 22905085 23497680 24868378 26177240 27413960 27486102 31412688 32896752 36648136 37302567 39265860 41120940 45810170 49736756 52354480 54827920 54972204 62170945 68715255 73296272 74605134 78531720 82241880 87039323 91620340 99473512 109944408 124341890 137430510 149210268 157063440 164483760 174078646 183240680 186512835 198947024 219888816 248683780 261117969 274861020 298420536 348157292 366481360 373025670 435196615 497367560 522235938 549722040 596841072 696314584 746051340 870393230 994735120 1044471876 1099444080 1305589845 1392629168 1492102680 1740786460 2088943752 2611179690 2984205360 3481572920 4177887504 5222359380 6963145840 10444718760 20889437520
• Sum of all divisors σ(n): 78532116480
• Sum of proper divisors (its aliquot sum) s(n): 57642678960
• 20889437520 is an abundant number, because the sum of its proper divisors (57642678960) is greater than itself. Its abundance is 36753241440

Bases of 20889437520

• Binary: 10011011101000110111000010101010000₂
• Hexadecimal: 0x4DD1B8550
• Base-36: 9LH155C

Squares and roots of 20889437520

• 20889437520 squared (20889437520²) is 436368599901983750400
• 20889437520 cubed (20889437520³) is 9115494603342367678036075008000
• The square root of 20889437520 is 144531.7872303529
• The cube root of 20889437520 is 2754.0738526993

Scales and comparisons

• 20,889,437,520 seconds is equal to 664 years, 11 weeks, 2 days, 21 hours, 32 minutes.
• To count from 1 to 20,889,437,520 would take you about one thousand, three hundred twenty-eight 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 20889437520 cubic inches would be around 229.5 feet tall.

Recreational maths with 20889437520

• 20889437520 backwards is 02573498802
• 20889437520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20889437520's digits is 48
• More coming soon!