21286270134720

Names of 21286270134720

• Cardinal: 21286270134720 can be written as Twenty-one trillion, two hundred eighty-six billion, two hundred seventy million, one hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.128627013472 × 10¹³

Factors of 21286270134720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 17693

Divisors of 21286270134720

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 137 144 160 180 192 216 240 270 274 288 320 360 411 432 480 540 548 576 685 720 822 864 960 1080 1093 1096 1233 1370 1440 1644 1728 2055 2160 2186 2192 2466 2740 2880 3279 3288 3699 4110 4320 4372 4384 4932 5465 5480 6165 6558 6576 7398 8220 8640 8744 8768 9837 9864 10930 10960 12330 13116 13152 14796 16395 16440 16453 17488 18495 19674 19728 21860 21920 24660 26232 26304 29511 29592 32790 32880 32906 34976 36990 39348 39456 43720 43840 49185 49320 49359 52464 59022 59184 65580 65760 65812 69952 73980 78696 78912 82265 87440 98370 98640 98718 104928 118044 118368 131160 131520 131624 147555 147960 148077 149741 157392 164530 174880 196740 197280 197436 209856 236088 236736 246795 262320 263248 295110 295920 296154 299482 314784 329060 349760 393480 394560 394872 444231 449223 472176 493590 524640 526496 590220 591840 592308 598964 629568 658120 740385 748705 786960 789744 888462 898446 944352 987180 1049280 1052992 1180440 1183680 1184616 1197928 1316240 1347669 1480770 1497410 1573920 1579488 1776924 1796892 1888704 1974360 2221155 2246115 2254061 2360880 2369232 2395856 2632480 2695338 2961540 2994820 3147840 3158976 3553848 3593784 3948720 4043007 4442310 4492230 4508122 4721760 4738464 4791712 5264960 5390676 5923080 5989640 6738345 6762183 7107696 7187568 7897440 8086014 8884620 8984460 9016244 9443520 9476928 9583424 10781352 11270305 11846160 11979280 13476690 13524366 14215392 14375136 15794880 16172028 17769240 17968920 17983129 18032488 20215035 20286549 21562704 22540610 23692320 23958560 26953380 27048732 28430784 28750272 32344056 33810915 35538480 35937840 35966258 36064976 40430070 40573098 43125408 45081220 47384640 47917120 53906760 53949387 54097464 60859647 64688112 67621830 71076960 71875680 71932516 72129952 80860140 81146196 86250816 89915645 90162440 101432745 107813520 107898774 108194928 121719294 129376224 135243660 142153920 143751360 143865032 144259904 161720280 161848161 162292392 179831290 180324880 202865490 215627040 215797548 216389856 243438588 258752448 269746935 270487320 287730064 304298235 323440560 323696322 324584784 359662580 360649760 405730980 431254080 431595096 432779712 485544483 486877176 539493870 540974640 575460128 608596470 646881120 647392644 649169568 719325160 721299520 809240805 811461960 863190192 971088966 973754352 1078987740 1081949280 1150920256 1217192940 1293762240 1294785288 1298339136 1438650320 1618481610 1622923920 1726380384 1942177932 1947508704 2157975480 2163898560 2427722415 2434385880 2463688673 2589570576 2877300640 3236963220 3245847840 3452760768 3884355864 3895017408 4315950960 4855444830 4868771760 4927377346 5179141152 5754601280 6473926440 6491695680 7391066019 7768711728 8631901920 9710889660 9737543520 9854754692 10358282304 12318443365 12947852880 14782132038 15537423456 17263803840 19421779320 19475087040 19709509384 22173198057 24636886730 25895705760 29564264076 31074846912 36955330095 38843558640 39419018768 44346396114 49273773460 51791411520 59128528152 66519594171 73910660190 77687117280 78838037536 88692792228 98547546920 110865990285 118257056304 133039188342 147821320380 155374234560 157676075072 177385584456 197095093840 221731980570 236514112608 266078376684 295642640760 332597970855 354771168912 394190187680 443463961140 473028225216 532156753368 591285281520 665195941710 709542337824 788380375360 886927922280 1064313506736 1182570563040 1330391883420 1419084675648 1773855844560 2128627013472 2365141126080 2660783766840 3547711689120 4257254026944 5321567533680 7095423378240 10643135067360 21286270134720
• Sum of all divisors σ(n): 75715163418240
• Sum of proper divisors (its aliquot sum) s(n): 54428893283520
• 21286270134720 is an abundant number, because the sum of its proper divisors (54428893283520) is greater than itself. Its abundance is 33142623148800

Bases of 21286270134720

• Binary: 100110101110000011000100100011110100111000000₂
• Hexadecimal: 0x135C1891E9C0
• Base-36: 7JMRZN5C0

Squares and roots of 21286270134720

• 21286270134720 squared (21286270134720²) is 453105296248272606949478400
• 21286270134720 cubed (21286270134720³) is 9644921735413063255697759189801730048000
• The square root of 21286270134720 is 4613704.5998546547
• The cube root of 21286270134720 is 27714.0410833879

Scales and comparisons

• 21,286,270,134,720 seconds is equal to 676,837 years, 28 weeks, 3 days, 7 hours, 12 minutes.
• To count from 1 to 21,286,270,134,720 would take you about one million, six hundred ninety-two thousand and ninety-three 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 21286270134720 cubic inches would be around 2309.5 feet tall.

Recreational maths with 21286270134720

• 21286270134720 backwards is 02743107268212
• 21286270134720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21286270134720's digits is 45
• More coming soon!