21427219220

Names of 21427219220

• Cardinal: 21427219220 can be written as Twenty-one billion, four hundred twenty-seven million, two hundred nineteen thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.142721922 × 10¹⁰

Factors of 21427219220

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 293

Divisors of 21427219220

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 10 11 17 19 20 22 31 34 38 44 55 62 68 71 76 85 95 110 124 137 142 155 170 187 190 209 220 274 284 310 323 340 341 355 374 380 418 527 548 589 620 646 682 685 710 748 781 836 935 1045 1054 1178 1207 1292 1349 1364 1370 1420 1507 1562 1615 1705 1870 2090 2108 2201 2329 2356 2414 2603 2635 2698 2740 2945 3014 3124 3230 3410 3553 3740 3905 4180 4247 4402 4658 4828 5206 5270 5396 5797 5890 6028 6035 6460 6479 6745 6820 7106 7535 7810 8494 8804 9316 9727 10013 10412 10540 11005 11594 11645 11780 12070 12958 13015 13277 13490 14212 14839 15070 15620 16988 17765 19454 20026 21235 22010 22933 23188 23290 24140 24211 25619 25916 26030 26554 26980 28633 28985 29678 30140 32395 35530 37417 38908 40052 41819 42470 44020 44251 45866 46580 46717 48422 48635 50065 51238 52060 53108 57266 57970 59356 64790 66385 71060 72199 74195 74834 80693 83638 84940 88502 91732 93434 96844 97270 100130 102476 106997 110143 114532 114665 115940 121055 128095 129580 132770 143165 144398 148390 149668 161386 165359 167276 177004 184813 186868 187085 194540 200260 209095 213994 220286 221255 229330 233585 242110 252263 256190 265540 286330 288796 296780 301537 322772 330718 360995 369626 374170 403465 411587 418190 427988 440572 442510 458660 460009 467170 484220 486761 504526 512380 534985 550715 572660 603074 661436 710923 721990 739252 748340 794189 806930 823174 826795 836380 885020 887623 920018 924065 934340 973522 1009052 1069970 1101430 1206148 1261315 1371781 1421846 1443980 1507685 1588378 1613860 1646348 1653590 1775246 1818949 1840036 1848130 1947044 2032943 2057935 2139940 2202860 2300045 2433805 2522630 2743562 2843692 3015370 3141821 3176756 3307180 3316907 3550492 3554615 3637898 3696260 3970945 4065886 4115870 4438115 4600090 4867610 5045260 5126129 5487124 5729203 6030740 6283642 6633814 6858905 7109230 7275796 7820153 7941890 8131772 8231740 8876230 9094745 9200180 9735220 10164715 10252258 11458406 12567284 13267628 13717810 14218460 15089591 15640306 15709105 15883780 16584535 17752460 18189490 20329430 20504516 22916812 25630645 27435620 28646015 30179182 31280612 31418210 33169070 34560031 36378980 39100765 40658860 51261290 56387419 57292030 60358364 62836420 63021233 66338140 69120062 75447955 78201530 97396451 102522580 112774838 114584060 126042466 138240124 150895910 156403060 172800155 194792902 225549676 252084932 281937095 301791820 315106165 345600310 389585804 486982255 563874190 630212330 691200620 973964510 1071360961 1127748380 1260424660 1947929020 2142721922 4285443844 5356804805 10713609610 21427219220
• Sum of all divisors σ(n): 57689210880
• Sum of proper divisors (its aliquot sum) s(n): 36261991660
• 21427219220 is an abundant number, because the sum of its proper divisors (36261991660) is greater than itself. Its abundance is 14834772440

Bases of 21427219220

• Binary: 10011111101001010010110101100010100₂
• Hexadecimal: 0x4FD296B14
• Base-36: 9UD7O5W

Squares and roots of 21427219220

• 21427219220 squared (21427219220²) is 459125723501937408400
• 21427219220 cubed (21427219220³) is 9837787527017118944505469448000
• The square root of 21427219220 is 146380.3921978625
• The cube root of 21427219220 is 2777.5076958969

Scales and comparisons

• 21,427,219,220 seconds is equal to 681 years, 16 weeks, 4 days, 5 hours, 20 minutes, 20 seconds.
• To count from 1 to 21,427,219,220 would take you about one thousand, three hundred sixty-two 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 21427219220 cubic inches would be around 231.5 feet tall.

Recreational maths with 21427219220

• 21427219220 backwards is 02291272412
• The number of decimal digits it has is: 11
• The sum of 21427219220's digits is 32
• More coming soon!