21509359269440

Names of 21509359269440

• Cardinal: 21509359269440 can be written as Twenty-one trillion, five hundred nine billion, three hundred fifty-nine million, two hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.150935926944 × 10¹³

Factors of 21509359269440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 132347

Divisors of 21509359269440

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 61 64 70 80 112 122 140 160 224 244 280 305 320 427 448 488 560 610 854 976 1120 1201 1220 1708 1952 2135 2240 2402 2440 3416 3904 4270 4804 4880 6005 6832 8407 8540 9608 9760 12010 13664 16814 17080 19216 19520 24020 27328 33628 34160 38432 42035 48040 67256 68320 73261 76864 84070 96080 131071 134512 136640 146522 168140 192160 262142 269024 293044 336280 366305 384320 512827 524284 538048 586088 655355 672560 732610 917497 1025654 1048568 1172176 1310710 1345120 1465220 1834994 2051308 2097136 2344352 2564135 2621420 2690240 2930440 3669988 4102616 4194272 4587485 4688704 5128270 5242840 5860880 7339976 7995331 8205232 8388544 9174970 10256540 10485680 11721760 14679952 15990662 16410464 18349940 20513080 20971360 23443520 29359904 31981324 32820928 36699880 39976655 41026160 41942720 55967317 58719808 63962648 73399760 79953310 82052320 111934634 127925296 146799520 157416271 159906620 164104640 223869268 255850592 279836585 293599040 314832542 319813240 447738536 511701184 559673170 629665084 639626480 787081355 895477072 1101913897 1119346340 1259330168 1279252960 1574162710 1790954144 2203827794 2238692680 2518660336 2558505920 3148325420 3581908288 4407655588 4477385360 5037320672 5509569485 6296650840 8815311176 8954770720 9602392531 10074641344 11019138970 12593301680 17630622352 17909541440 19204785062 22038277940 25186603360 35261244704 38409570124 44076555880 48011962655 50373206720 67216747717 70522489408 76819140248 88153111760 96023925310 134433495434 153638280496 176306223520 192047850620 268866990868 307276560992 336083738585 352612447040 384095701240 537733981736 614553121984 672167477170 768191402480 1075467963472 1344334954340 1536382804960 2150935926944 2688669908680 3072765609920 4301871853888 5377339817360 10754679634720 21509359269440
• Sum of all divisors σ(n): 59545787301888
• Sum of proper divisors (its aliquot sum) s(n): 38036428032448
• 21509359269440 is an abundant number, because the sum of its proper divisors (38036428032448) is greater than itself. Its abundance is 16527068763008

Bases of 21509359269440

• Binary: 100111001000000001001101101111111011001000000₂
• Hexadecimal: 0x139009B7F640
• Base-36: 7MH9H5JCW

Squares and roots of 21509359269440

• 21509359269440 squared (21509359269440²) is 462652536181844450517913600
• 21509359269440 cubed (21509359269440³) is 9951359617652880917183708300929040384000
• The square root of 21509359269440 is 4637818.3739167707
• The cube root of 21509359269440 is 27810.5231065125

Scales and comparisons

• 21,509,359,269,440 seconds is equal to 683,931 years, 4 weeks, 5 days, 11 hours, 17 minutes, 20 seconds.
• To count from 1 to 21,509,359,269,440 would take you about one million, seven hundred nine thousand, eight hundred twenty-seven 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 21509359269440 cubic inches would be around 2317.5 feet tall.

Recreational maths with 21509359269440

• 21509359269440 backwards is 04496295390512
• The number of decimal digits it has is: 14
• The sum of 21509359269440's digits is 59
• More coming soon!