21643814500

Names of 21643814500

• Cardinal: 21643814500 can be written as Twenty-one billion, six hundred forty-three million, eight hundred fourteen thousand, five hundred.

Scientific notation

• Scientific notation: 2.16438145 × 10¹⁰

Factors of 21643814500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 174

Divisors of 21643814500

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 25 28 35 44 49 50 55 70 77 98 100 110 121 125 140 149 154 175 196 220 242 245 250 275 298 308 343 350 385 484 490 500 539 550 596 605 686 700 745 770 847 875 980 1043 1078 1100 1210 1225 1372 1375 1490 1540 1639 1694 1715 1750 1925 2086 2156 2401 2420 2450 2695 2750 2980 3025 3278 3388 3430 3500 3725 3773 3850 4172 4235 4802 4900 5215 5390 5500 5929 6050 6125 6556 6860 7301 7450 7546 7700 8195 8470 8575 9604 9625 10430 10780 11473 11858 12005 12100 12250 13475 14602 14900 15092 15125 16390 16940 17150 18029 18625 18865 19250 20860 21175 22946 23716 24010 24500 26075 26411 26950 29204 29645 30250 32780 34300 36058 36505 37250 37730 38500 40975 41503 42350 42875 45892 48020 51107 52150 52822 53900 57365 59290 60025 60500 67375 72116 73010 74500 75460 80311 81950 83006 84700 85750 90145 94325 102214 104300 105644 105875 114730 118580 120050 126203 130375 132055 134750 146020 148225 160622 163900 166012 171500 180290 182525 188650 204428 204875 207515 211750 229460 240100 252406 255535 260750 264110 269500 286825 290521 296450 300125 321244 357749 360580 365050 377300 401555 409750 415030 423500 450725 471625 504812 511070 521500 528220 562177 573650 581042 592900 600250 631015 660275 715498 730100 741125 803110 819500 830060 883421 901450 912625 943250 1022140 1037575 1124354 1147300 1162084 1200500 1262030 1277675 1320550 1430996 1434125 1452605 1482250 1606220 1766842 1788745 1802900 1825250 1886500 2007775 2075150 2248708 2253625 2524060 2555350 2641100 2810885 2868250 2905210 2964500 3155075 3301375 3533684 3577490 3650500 3935239 4015550 4150300 4417105 4507250 5110700 5187875 5621770 5736500 5810420 6183947 6310150 6388375 6602750 7154980 7263025 7870478 8031100 8834210 8943725 9014500 10038875 10375750 11243540 12367894 12620300 12776750 13205500 14054425 14526050 15740956 15775375 17668420 17887450 19676195 20077750 20751500 22085525 24735788 25553500 28108850 29052100 30919735 31550750 35774900 36315125 39352390 40155500 43287629 44171050 44718625 56217700 61839470 63101500 70272125 72630250 78704780 86575258 88342100 89437250 98380975 110427625 123678940 140544250 145260500 154598675 173150516 178874500 196761950 216438145 220855250 281088500 309197350 393523900 432876290 441710500 491904875 618394700 772993375 865752580 983809750 1082190725 1545986750 1967619500 2164381450 3091973500 4328762900 5410953625 10821907250 21643814500
• Sum of all divisors σ(n): 61020905400
• Sum of proper divisors (its aliquot sum) s(n): 39377090900
• 21643814500 is an abundant number, because the sum of its proper divisors (39377090900) is greater than itself. Its abundance is 17733276400

Bases of 21643814500

• Binary: 10100001010000100100110011001100100₂
• Hexadecimal: 0x50A126664
• Base-36: 9XY625G

Squares and roots of 21643814500

• 21643814500 squared (21643814500²) is 468454706110410250000
• 21643814500 cubed (21643814500³) is 10139146760705735969898625000000
• The square root of 21643814500 is 147118.3690094477
• The cube root of 21643814500 is 2786.8350736941

Scales and comparisons

• 21,643,814,500 seconds is equal to 688 years, 10 weeks, 5 days, 2 hours, 41 minutes, 40 seconds.
• To count from 1 to 21,643,814,500 would take you about one thousand, three hundred seventy-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 21643814500 cubic inches would be around 232.2 feet tall.

Recreational maths with 21643814500

• 21643814500 backwards is 00541834612
• The number of decimal digits it has is: 11
• The sum of 21643814500's digits is 34
• More coming soon!