21386476800

Names of 21386476800

• Cardinal: 21386476800 can be written as Twenty-one billion, three hundred eighty-six million, four hundred seventy-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13864768 × 10¹⁰

Factors of 21386476800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 23

Divisors of 21386476800

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 32 36 39 40 45 48 50 52 60 64 65 72 75 78 80 90 96 100 104 117 120 128 130 144 150 156 160 169 180 192 195 200 208 225 234 240 256 260 288 300 312 320 325 338 360 384 390 400 416 450 468 480 507 520 576 585 600 624 640 650 676 720 768 780 800 832 845 900 936 960 975 1014 1040 1152 1170 1200 1248 1280 1300 1352 1440 1521 1560 1600 1664 1690 1800 1872 1920 1950 2028 2080 2197 2304 2340 2400 2496 2535 2600 2704 2880 2925 3042 3120 3200 3328 3380 3600 3744 3840 3900 4056 4160 4225 4394 4680 4800 4992 5070 5200 5408 5760 5850 6084 6240 6400 6591 6760 7200 7488 7605 7800 8112 8320 8450 8788 9360 9600 9984 10140 10400 10816 10985 11520 11700 12168 12480 12675 13182 13520 14400 14976 15210 15600 16224 16640 16900 17576 18720 19200 19773 20280 20800 21632 21970 23400 24336 24960 25350 26364 27040 28561 28800 29952 30420 31200 32448 32955 33800 35152 37440 38025 39546 40560 41600 43264 43940 46800 48672 49920 50700 52728 54080 54925 57122 57600 60840 62400 64896 65910 67600 70304 74880 76050 79092 81120 83200 85683 87880 93600 97344 98865 101400 105456 108160 109850 114244 121680 124800 129792 131820 135200 140608 142805 149760 152100 158184 162240 164775 171366 175760 187200 194688 197730 202800 210912 216320 219700 228488 243360 249600 257049 263640 270400 281216 285610 304200 316368 324480 329550 342732 351520 371293 374400 389376 395460 405600 421824 428415 439400 456976 486720 494325 514098 527280 540800 562432 571220 608400 632736 648960 659100 685464 703040 714025 742586 748800 790920 811200 843648 856830 878800 913952 973440 988650 1028196 1054560 1081600 1113879 1142440 1216800 1265472 1285245 1318200 1370928 1406080 1428050 1485172 1581840 1622400 1687296 1713660 1757600 1827904 1856465 1946880 1977300 2056392 2109120 2142075 2227758 2284880 2433600 2530944 2570490 2636400 2741856 2812160 2856100 2970344 3163680 3244800 3341637 3427320 3515200 3655808 3712930 3954600 4112784 4218240 4284150 4455516 4569760 4867200 5061888 5140980 5272800 5483712 5569395 5712200 5940688 6327360 6426225 6683274 6854640 7030400 7311616 7425860 7909200 8225568 8436480 8568300 8911032 9139520 9282325 9734400 10281960 10545600 10967424 11138790 11424400 11881376 12654720 12852450 13366548 13709280 14060800 14851720 15818400 16451136 16708185 17136600 17822064 18279040 18564650 20563920 21091200 21934848 22277580 22848800 23762752 25309440 25704900 26733096 27418560 27846975 29703440 31636800 32902272 33416370 34273200 35644128 36558080 37129300 41127840 42182400 44555160 45697600 47525504 51409800 53466192 54837120 55693950 59406880 63273600 65804544 66832740 68546400 71288256 74258600 82255680 83540925 89110320 91395200 95051008 102819600 106932384 109674240 111387900 118813760 126547200 133665480 137092800 142576512 148517200 164511360 167081850 178220640 182790400 205639200 213864768 222775800 237627520 267330960 274185600 285153024 297034400 329022720 334163700 356441280 411278400 427729536 445551600 475255040 534661920 548371200 594068800 668327400 712882560 822556800 855459072 891103200 1069323840 1188137600 1336654800 1425765120 1645113600 1782206400 2138647680 2376275200 2673309600 3564412800 4277295360 5346619200 7128825600 10693238400 21386476800
• Sum of all divisors σ(n): 82833254322
• Sum of proper divisors (its aliquot sum) s(n): 61446777522
• 21386476800 is an abundant number, because the sum of its proper divisors (61446777522) is greater than itself. Its abundance is 40060300722

Bases of 21386476800

• Binary: 10011111010101110111011110100000000₂
• Hexadecimal: 0x4FABBBD00
• Base-36: 9TOYF40

Squares and roots of 21386476800

• 21386476800 squared (21386476800²) is 457381389916938240000
• 21386476800 cubed (21386476800³) is 9781776484210353596792832000000
• The square root of 21386476800 is 146241.1597328195
• The cube root of 21386476800 is 2775.7461640905

Scales and comparisons

• 21,386,476,800 seconds is equal to 680 years, 1 week, 1 day, 16 hours.
• To count from 1 to 21,386,476,800 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 21386476800 cubic inches would be around 231.3 feet tall.

Recreational maths with 21386476800

• 21386476800 backwards is 00867468312
• 21386476800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21386476800's digits is 45
• More coming soon!