21022100100

Names of 21022100100

• Cardinal: 21022100100 can be written as Twenty-one billion, twenty-two million, one hundred thousand, one hundred.

Scientific notation

• Scientific notation: 2.10221001 × 10¹⁰

Factors of 21022100100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 189

Divisors of 21022100100

• Number of divisors d(n): 243
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 179 180 225 243 270 300 324 358 405 450 486 537 540 675 716 729 810 895 900 972 1074 1215 1350 1458 1611 1620 1790 2025 2148 2187 2430 2685 2700 2916 3222 3580 3645 4050 4374 4475 4833 4860 5370 6075 6444 6561 7290 8055 8100 8748 8950 9666 10740 10935 12150 13122 13425 14499 14580 16110 17900 18225 19332 21870 24165 24300 26244 26850 28998 32041 32220 32805 36450 40275 43497 43740 48330 53700 54675 57996 64082 65610 72495 72900 80550 86994 96123 96660 109350 120825 128164 130491 131220 144990 160205 161100 164025 173988 192246 217485 218700 241650 260982 288369 289980 320410 328050 362475 384492 391473 434970 480615 483300 521964 576738 640820 652455 656100 724950 782946 801025 865107 869940 961230 1087425 1153476 1174419 1304910 1441845 1449900 1565892 1602050 1730214 1922460 1957365 2174850 2348838 2403075 2595321 2609820 2883690 3204100 3262275 3460428 3914730 4325535 4349700 4697676 4806150 5190642 5767380 5872095 6524550 7209225 7785963 7829460 8651070 9612300 9786825 10381284 11744190 12976605 13049100 14418450 15571926 17302140 19573650 21627675 23357889 23488380 25953210 28836900 29360475 31143852 38929815 39147300 43255350 46715778 51906420 58720950 64883025 70073667 77859630 86510700 93431556 116789445 117441900 129766050 140147334 155719260 194649075 210221001 233578890 259532100 280294668 350368335 389298150 420442002 467157780 583947225 700736670 778596300 840884004 1051105005 1167894450 1401473340 1751841675 2102210010 2335788900 3503683350 4204420020 5255525025 7007366700 10511050050 21022100100
• Sum of all divisors σ(n): 68807848837
• Sum of proper divisors (its aliquot sum) s(n): 47785748737
• 21022100100 is an abundant number, because the sum of its proper divisors (47785748737) is greater than itself. Its abundance is 26763648637

Bases of 21022100100

• Binary: 10011100101000000111100101010000100₂
• Hexadecimal: 0x4E503CA84
• Base-36: 9NO0K90

Squares and roots of 21022100100

• 21022100100 squared (21022100100²) is 441928692614420010000
• 21022100100 cubed (21022100100³) is 9290269213202468153663001000000
• 21022100100 is a perfect square number. Its square root is 144990
• The cube root of 21022100100 is 2759.8916545371

Scales and comparisons

• 21,022,100,100 seconds is equal to 668 years, 22 weeks, 5 days, 8 hours, 15 minutes.
• To count from 1 to 21,022,100,100 would take you about one thousand, three hundred thirty-six 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 21022100100 cubic inches would be around 230 feet tall.

Recreational maths with 21022100100

• 21022100100 backwards is 00100122012
• 21022100100 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21022100100's digits is 9
• More coming soon!