21243896960

Names of 21243896960

• Cardinal: 21243896960 can be written as Twenty-one billion, two hundred forty-three million, eight hundred ninety-six thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.124389696 × 10¹⁰

Factors of 21243896960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 693

Divisors of 21243896960

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 19 20 22 26 32 38 40 44 52 55 64 65 76 80 88 95 104 110 128 130 143 152 160 176 190 208 209 220 247 260 286 304 320 352 361 380 416 418 440 494 520 572 608 640 643 704 715 722 760 832 836 880 988 1040 1045 1144 1216 1235 1286 1408 1430 1444 1520 1664 1672 1760 1805 1976 2080 2090 2288 2432 2470 2572 2717 2860 2888 3040 3215 3344 3520 3610 3952 3971 4160 4180 4576 4693 4940 5144 5434 5720 5776 6080 6430 6688 7040 7073 7220 7904 7942 8320 8359 8360 9152 9386 9880 10288 10868 11440 11552 12160 12217 12860 13376 13585 14146 14440 15808 15884 16718 16720 18304 18772 19760 19855 20576 21736 22880 23104 23465 24434 25720 26752 27170 28292 28880 31616 31768 33436 33440 35365 37544 39520 39710 41152 41795 43472 45760 46208 46930 48868 51440 51623 54340 56584 57760 61085 63536 66872 66880 70730 75088 79040 79420 82304 83590 86944 91520 91949 93860 97736 102880 103246 108680 113168 115520 122170 127072 133744 133760 134387 141460 150176 158080 158821 158840 167180 173888 183898 187720 195472 205760 206492 217360 226336 231040 232123 244340 254144 258115 267488 268774 282920 300352 317642 317680 334360 347776 367796 375440 390944 411520 412984 434720 452672 459745 464246 488680 508288 516230 534976 537548 565840 600704 635284 635360 668720 671935 735592 750880 781888 794105 825968 869440 905344 919490 928492 977360 1032460 1069952 1075096 1131680 1160615 1270568 1270720 1337440 1343870 1471184 1501760 1563776 1588210 1651936 1738880 1747031 1838980 1856984 1954720 2064920 2150192 2263360 2321230 2541136 2541440 2553353 2674880 2687740 2942368 3003520 3017599 3176420 3303872 3494062 3677960 3713968 3909440 4129840 4300384 4526720 4642460 5082272 5106706 5349760 5375480 5884736 6035198 6352840 6607744 6988124 7355920 7427936 7818880 8259680 8600768 8735155 9284920 10164544 10213412 10750960 11769472 12070396 12705680 12766765 13976248 14711840 14855872 15087995 16519360 17201536 17470310 18569840 20329088 20426824 21501920 24140792 25411360 25533530 27952496 29423680 29711744 30175990 33038720 33193589 34940620 37139680 40853648 43003840 48281584 50822720 51067060 55904992 58847360 60351980 66387178 69881240 74279360 81707296 86007680 96563168 101645440 102134120 111809984 120703960 132774356 139762480 148558720 163414592 165967945 193126336 204268240 223619968 241407920 265548712 279524960 326829184 331935890 386252672 408536480 482815840 531097424 559049920 663871780 817072960 965631680 1062194848 1118099840 1327743560 1634145920 1931263360 2124389696 2655487120 4248779392 5310974240 10621948480 21243896960
• Sum of all divisors σ(n): 63068362560
• Sum of proper divisors (its aliquot sum) s(n): 41824465600
• 21243896960 is an abundant number, because the sum of its proper divisors (41824465600) is greater than itself. Its abundance is 20580568640

Bases of 21243896960

• Binary: 10011110010001111000010010010000000₂
• Hexadecimal: 0x4F23C2480
• Base-36: 9RC2FSW

Squares and roots of 21243896960

• 21243896960 squared (21243896960²) is 451303158047097241600
• 21243896960 cubed (21243896960³) is 9587437787275128627650625536000
• The square root of 21243896960 is 145752.8626133977
• The cube root of 21243896960 is 2769.5639362747

Scales and comparisons

• 21,243,896,960 seconds is equal to 675 years, 25 weeks, 3 days, 10 hours, 29 minutes, 20 seconds.
• To count from 1 to 21,243,896,960 would take you about one thousand, three hundred fifty 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 21243896960 cubic inches would be around 230.8 feet tall.

Recreational maths with 21243896960

• 21243896960 backwards is 06969834212
• The number of decimal digits it has is: 11
• The sum of 21243896960's digits is 50
• More coming soon!