21247313698800

Names of 21247313698800

• Cardinal: 21247313698800 can be written as Twenty-one trillion, two hundred forty-seven billion, three hundred thirteen million, six hundred ninety-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12473136988 × 10¹³

Factors of 21247313698800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9696

Divisors of 21247313698800

• Number of divisors d(n): 450
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 50 54 56 60 63 70 72 75 80 81 84 90 100 105 108 112 120 126 135 140 144 150 162 168 175 180 189 200 210 216 225 240 252 270 280 300 315 324 336 350 360 378 400 405 420 432 450 504 525 540 560 567 600 630 648 675 700 720 756 810 840 900 945 1008 1050 1080 1134 1200 1260 1296 1350 1400 1512 1575 1620 1680 1800 1890 2025 2100 2160 2268 2520 2700 2800 2835 3024 3150 3240 3600 3780 4050 4200 4536 4725 5040 5400 5670 6300 6480 7560 8100 8400 9072 9450 9679 10800 11340 12600 14175 15120 16200 18900 19358 22680 25200 28350 29037 32400 37800 38716 45360 48395 56700 58074 67753 75600 77432 87111 96790 113400 116148 135506 145185 154864 174222 193580 203259 226800 232296 241975 261333 271012 290370 338765 348444 387160 406518 435555 464592 483950 522666 542024 580740 609777 677530 696888 725925 774320 783999 813036 871110 967900 1016295 1045332 1084048 1161480 1219554 1306665 1355060 1393776 1451850 1567998 1626072 1693825 1742220 1829331 1935800 2032590 2090664 2177775 2322960 2439108 2613330 2710120 2903700 3048885 3135996 3252144 3387650 3484440 3658662 3871600 3919995 4065180 4181328 4355550 4878216 5081475 5226660 5420240 5487993 5807400 6097770 6271992 6533325 6775300 6968880 7317324 7839990 8130360 8711100 9146655 9756432 10162950 10453320 10975986 11614800 12195540 12543984 13066650 13550600 14634648 15244425 15679980 16260720 17422200 18293310 19599975 20325900 20906640 21951972 24391080 26133300 27101200 27439965 29269296 30488850 31359960 34844400 36586620 39199950 40651800 43903944 45733275 48782160 52266600 54879930 60977700 62719920 73173240 78399900 81303600 87807888 91466550 93683041 104533200 109759860 121955400 137199825 146346480 156799800 182933100 187366082 219519720 243910800 274399650 281049123 313599600 365866200 374732164 439039440 468415205 548799300 562098246 655781287 731732400 749464328 843147369 936830410 1097598600 1124196492 1311562574 1405245615 1498928656 1686294738 1873660820 1967343861 2195197200 2248392984 2342076025 2529442107 2623125148 2810491230 3278906435 3372589476 3747321640 3934687722 4215736845 4496785968 4684152050 5058884214 5246250296 5620982460 5902031583 6557812870 6745178952 7026228075 7494643280 7588326321 7869375444 8431473690 9368304100 9836719305 10117768428 10492500592 11241964920 11804063166 12647210535 13115625740 13490357904 14052456150 15176652642 15738750888 16394532175 16862947380 17706094749 18736608200 19673438610 20235536856 21078684225 22483929840 23608126332 25294421070 26231251480 28104912300 29510157915 30353305284 31477501776 32789064350 33725894760 35412189498 37473216400 37941631605 39346877220 40471073712 42157368450 47216252664 49183596525 50588842140 52462502960 53118284247 56209824600 59020315830 60706610568 63236052675 65578128700 67451789520 70824378996 75883263210 78693754440 84314736900 88530473745 94432505328 98367193050 101177684280 106236568494 112419649200 118040631660 121413221136 126472105350 131156257400 141648757992 147550789575 151766526420 157387508880 168629473800 177060947490 189708158025 196734386100 202355368560 212473136988 236081263320 252944210700 262312514800 265591421235 283297515984 295101579150 303533052840 337258947600 354121894980 379416316050 393468772200 424946273976 442652368725 472162526640 505888421400 531182842470 590203158300 607066105680 708243789960 758832632100 786937544400 849892547952 885304737450 1011776842800 1062365684940 1180406316600 1327957106175 1416487579920 1517665264200 1770609474900 2124731369880 2360812633200 2655914212350 3035330528400 3541218949800 4249462739760 5311828424700 7082437899600 10623656849400 21247313698800
• Sum of all divisors σ(n): 87157466324808
• Sum of proper divisors (its aliquot sum) s(n): 65910152626008
• 21247313698800 is an abundant number, because the sum of its proper divisors (65910152626008) is greater than itself. Its abundance is 44662838927208

Bases of 21247313698800

• Binary: 100110101001100000110100101011101111111110000₂
• Hexadecimal: 0x13530695DFF0
• Base-36: 7J4VPZJ00

Squares and roots of 21247313698800

• 21247313698800 squared (21247313698800²) is 451448339415214137121440000
• 21247313698800 cubed (21247313698800³) is 9592064486357391316795793711182272000000
• The square root of 21247313698800 is 4609480.8491629513
• The cube root of 21247313698800 is 27697.1240823817

Scales and comparisons

• 21,247,313,698,800 seconds is equal to 675,598 years, 44 weeks, 2 days, 15 hours.
• To count from 1 to 21,247,313,698,800 would take you about one million, six hundred eighty-eight thousand, nine hundred ninety-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 21247313698800 cubic inches would be around 2308.1 feet tall.

Recreational maths with 21247313698800

• 21247313698800 backwards is 00889631374212
• 21247313698800 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21247313698800's digits is 54
• More coming soon!