21389065950

Names of 21389065950

• Cardinal: 21389065950 can be written as Twenty-one billion, three hundred eighty-nine million, sixty-five thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 2.138906595 × 10¹⁰

Factors of 21389065950

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2516

Divisors of 21389065950

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 25 30 34 35 42 49 50 51 70 71 75 85 98 102 105 119 142 147 150 170 175 210 213 238 245 255 294 350 355 357 425 426 490 497 510 525 595 710 714 735 833 850 994 1050 1065 1190 1207 1225 1275 1470 1491 1666 1775 1785 2130 2411 2414 2450 2485 2499 2550 2975 2982 3479 3550 3570 3621 3675 4165 4822 4970 4998 5325 5950 6035 6958 7233 7242 7350 7455 8330 8449 8925 10437 10650 12055 12070 12425 12495 14466 14910 16877 16898 17395 17850 18105 20825 20874 24110 24850 24990 25347 30175 33754 34790 36165 36210 37275 40987 41650 42245 50631 50694 52185 59143 60275 60350 62475 72330 74550 81974 84385 84490 86975 90525 101262 104370 118139 118286 120550 122961 124950 126735 168770 171181 173950 177429 180825 181050 204935 211225 236278 245922 253155 253470 260925 286909 295715 342362 354417 354858 361650 409870 421925 422450 506310 513543 521850 573818 590695 591430 614805 633675 708834 843850 855905 860727 887145 1024675 1027086 1181390 1198267 1229610 1265775 1267350 1434545 1478575 1711810 1721454 1772085 1774290 2008363 2049350 2396534 2531550 2567715 2869090 2910077 2953475 2957150 3074025 3544170 3594801 4016726 4279525 4303635 4435725 5135430 5820154 5906950 5991335 6025089 6148050 7172725 7189602 8387869 8559050 8607270 8730231 8860425 8871450 10041815 11982670 12050178 12838575 14345450 14550385 16775738 17460462 17720850 17974005 20083630 20370539 21518175 25163607 25677150 29100770 29956675 30125445 35948010 40741078 41939345 43036350 43651155 50209075 50327214 59913350 60250890 61111617 72751925 83878690 87302310 89870025 100418150 101852695 122223234 125818035 142593773 145503850 150627225 179740050 203705390 209696725 218255775 251636070 285187546 301254450 305558085 419393450 427781319 436511550 509263475 611116170 629090175 712968865 855562638 1018526950 1258180350 1425937730 1527790425 2138906595 3055580850 3564844325 4277813190 7129688650 10694532975 21389065950
• Sum of all divisors σ(n): 66282686208
• Sum of proper divisors (its aliquot sum) s(n): 44893620258
• 21389065950 is an abundant number, because the sum of its proper divisors (44893620258) is greater than itself. Its abundance is 23504554308

Bases of 21389065950

• Binary: 10011111010111000110011111011011110₂
• Hexadecimal: 0x4FAE33EDE
• Base-36: 9TQHWWU

Squares and roots of 21389065950

• 21389065950 squared (21389065950²) is 457492142213449402500
• 21389065950 cubed (21389065950³) is 9785329601410248247060594875000
• The square root of 21389065950 is 146250.0117948713
• The cube root of 21389065950 is 2775.8581746419

Scales and comparisons

• 21,389,065,950 seconds is equal to 680 years, 5 weeks, 3 days, 15 hours, 12 minutes, 30 seconds.
• To count from 1 to 21,389,065,950 would take you about one thousand, three hundred sixty 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 21389065950 cubic inches would be around 231.3 feet tall.

Recreational maths with 21389065950

• 21389065950 backwards is 05956098312
• The number of decimal digits it has is: 11
• The sum of 21389065950's digits is 48
• More coming soon!