21040516224

Names of 21040516224

• Cardinal: 21040516224 can be written as Twenty-one billion, forty million, five hundred sixteen thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1040516224 × 10¹⁰

Factors of 21040516224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 15464

Divisors of 21040516224

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 48 52 56 63 64 72 78 84 91 96 104 112 117 126 128 144 156 168 169 182 192 208 224 234 252 273 288 312 336 338 364 384 416 448 468 504 507 546 576 624 672 676 728 819 832 896 936 1008 1014 1092 1152 1183 1248 1344 1352 1456 1521 1638 1664 1872 2016 2028 2184 2366 2496 2688 2704 2912 3042 3276 3549 3744 4032 4056 4368 4732 4992 5408 5824 6084 6552 7098 7488 8064 8112 8736 9464 10647 10816 11648 12168 13104 14196 14976 15439 16224 17472 18928 21294 21632 24336 26208 28392 30878 32448 34944 37856 42588 46317 48672 52416 56784 61756 64896 75712 85176 92634 97344 104832 108073 113568 123512 138951 151424 170352 185268 194688 200707 216146 227136 247024 277902 324219 340704 370536 401414 432292 454272 494048 555804 602121 648438 681408 741072 802828 864584 972657 988096 1111608 1204242 1296876 1362816 1404949 1482144 1605656 1729168 1806363 1945314 1976192 2223216 2408484 2593752 2609191 2809898 2964288 3211312 3458336 3612726 3890628 4214847 4446432 4816968 5187504 5218382 5619796 5928576 6422624 6916672 7225452 7781256 7827573 8429694 8892864 9633936 10375008 10436764 11239592 12644541 12845248 13833344 14450904 15562512 15655146 16859388 17785728 18264337 19267872 20750016 20873528 22479184 23482719 25289082 25690496 28901808 31125024 31310292 33718776 36528674 38535744 41500032 41747056 44958368 46965438 50578164 54793011 57803616 62250048 62620584 67437552 73057348 77071488 83494112 89916736 93930876 101156328 109586022 115607232 124500096 125241168 134875104 146114696 164379033 166988224 179833472 187861752 202312656 219172044 231214464 250482336 269750208 292229392 328758066 333976448 375723504 404625312 438344088 500964672 539500416 584458784 657516132 751447008 809250624 876688176 1001929344 1168917568 1315032264 1502894016 1618501248 1753376352 2337835136 2630064528 3005788032 3506752704 5260129056 7013505408 10520258112 21040516224
• Sum of all divisors σ(n): 74932790400
• Sum of proper divisors (its aliquot sum) s(n): 53892274176
• 21040516224 is an abundant number, because the sum of its proper divisors (53892274176) is greater than itself. Its abundance is 32851757952

Bases of 21040516224

• Binary: 10011100110000111001100110010000000₂
• Hexadecimal: 0x4E61CCC80
• Base-36: 9NYZA80

Squares and roots of 21040516224

• 21040516224 squared (21040516224²) is 442703322972407218176
• 21040516224 cubed (21040516224³) is 9314706449419645978366835687424
• The square root of 21040516224 is 145053.4943529455
• The cube root of 21040516224 is 2760.6973411233

Scales and comparisons

• 21,040,516,224 seconds is equal to 669 years, 1 week, 1 day, 11 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,040,516,224 would take you about one thousand, three hundred thirty-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 21040516224 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040516224

• 21040516224 backwards is 42261504012
• The number of decimal digits it has is: 11
• The sum of 21040516224's digits is 27
• More coming soon!