20921637100

Names of 20921637100

• Cardinal: 20921637100 can be written as Twenty billion, nine hundred twenty-one million, six hundred thirty-seven thousand, one hundred.

Scientific notation

• Scientific notation: 2.09216371 × 10¹⁰

Factors of 20921637100

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 618

Divisors of 20921637100

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 25 26 28 35 43 50 52 65 70 86 91 100 127 130 140 172 175 182 215 254 260 301 325 350 364 421 430 455 508 559 602 635 650 700 842 860 889 910 1075 1118 1204 1270 1300 1505 1651 1684 1778 1820 2105 2150 2236 2275 2540 2795 2947 3010 3175 3302 3556 3913 4210 4300 4445 4550 5461 5473 5590 5894 6020 6350 6604 7525 7826 8255 8420 8890 9100 10525 10922 10946 11180 11557 11788 12700 13975 14735 15050 15652 16510 17780 18103 19565 21050 21844 21892 22225 23114 27305 27365 27950 29470 30100 33020 36206 38227 38311 39130 41275 42100 44450 46228 53467 54610 54730 55900 57785 58940 70993 72412 73675 76454 76622 78260 82550 88900 90515 97825 106934 109220 109460 115570 126721 136525 136825 141986 147350 152908 153244 165100 181030 191135 191555 195650 213868 231140 235339 253442 267335 273050 273650 283972 288925 294700 354965 362060 374269 382270 383110 391300 452575 470678 496951 506884 534670 546100 547300 577850 633605 695071 709930 748538 764540 766220 905150 941356 955675 957775 993902 1069340 1155700 1176695 1267210 1336675 1390142 1419860 1497076 1647373 1774825 1810300 1871345 1911350 1915550 1987804 2299081 2353390 2484755 2534420 2673350 2780284 3168025 3294746 3475355 3549650 3742690 3822700 3831100 4598162 4706780 4865497 4969510 5346700 5883475 6336050 6589492 6950710 7099300 7485380 8236865 9196324 9356725 9730994 9939020 11495405 11766950 12423775 12672100 13901420 16093567 16473730 17376775 18713450 19461988 22990810 23533900 24327485 24847550 29888053 32187134 32947460 34753550 37426900 41184325 45981620 48654970 49695100 57477025 59776106 64374268 69507100 80467835 82368650 97309940 114954050 119552212 121637425 149440265 160935670 164737300 209216371 229908100 243274850 298880530 321871340 402339175 418432742 486549700 597761060 747201325 804678350 836865484 1046081855 1494402650 1609356700 2092163710 2988805300 4184327420 5230409275 10460818550 20921637100
• Sum of all divisors σ(n): 57763414016
• Sum of proper divisors (its aliquot sum) s(n): 36841776916
• 20921637100 is an abundant number, because the sum of its proper divisors (36841776916) is greater than itself. Its abundance is 15920139816

Bases of 20921637100

• Binary: 10011011111000001101101100011101100₂
• Hexadecimal: 0x4DF06D8EC
• Base-36: 9M07AI4

Squares and roots of 20921637100

• 20921637100 squared (20921637100²) is 437714898944096410000
• 20921637100 cubed (20921637100³) is 9157712268971558277432811000000
• The square root of 20921637100 is 144643.1370649849
• The cube root of 20921637100 is 2755.4881958027

Scales and comparisons

• 20,921,637,100 seconds is equal to 665 years, 12 weeks, 4 days, 13 hours, 51 minutes, 40 seconds.
• To count from 1 to 20,921,637,100 would take you about one thousand, three hundred thirty 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 20921637100 cubic inches would be around 229.6 feet tall.

Recreational maths with 20921637100

• 20921637100 backwards is 00173612902
• The number of decimal digits it has is: 11
• The sum of 20921637100's digits is 31
• More coming soon!