21813283921500

Names of 21813283921500

• Cardinal: 21813283921500 can be written as Twenty-one trillion, eight hundred thirteen billion, two hundred eighty-three million, nine hundred twenty-one thousand, five hundred.

Scientific notation

• Scientific notation: 2.18132839215 × 10¹³

Factors of 21813283921500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 13409

Divisors of 21813283921500

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 125 135 150 162 180 225 243 250 270 300 324 375 405 450 486 500 540 675 750 810 900 972 1125 1215 1350 1500 1620 2025 2250 2430 2700 3375 4050 4500 4860 6075 6750 8100 10125 12150 13399 13500 20250 24300 26798 30375 40197 40500 53596 60750 66995 80394 120591 121500 133990 160788 200985 241182 267980 334975 361773 401970 482364 602955 669950 723546 803940 1004925 1085319 1205910 1339900 1447092 1674875 1808865 2009850 2170638 2411820 3014775 3255957 3349750 3617730 4019700 4341276 5024625 5426595 6029550 6511914 6699500 7235460 9044325 10049250 10853190 12059100 13023828 15073875 16279785 18088650 20098500 21706380 27132975 30147750 32559570 36177300 45221625 54265950 60295500 65119140 81398925 90443250 108531900 135664875 162797850 179533201 180886500 271329750 325595700 359066402 406994625 538599603 542659500 718132804 813989250 897666005 1077199206 1615798809 1627978500 1795332010 2154398412 2692998015 3231597618 3590664020 4488330025 4847396427 5385996030 6463195236 8078994045 8976660050 9694792854 10771992060 13464990075 14542189281 16157988090 17953320100 19389585708 22441650125 24236982135 26929980150 29084378562 32315976180 40394970225 43626567843 44883300250 48473964270 53859960300 58168757124 67324950375 72710946405 80789940450 87253135686 89766600500 96947928540 121184910675 134649900750 145421892810 161579880900 174506271372 201974851125 218132839215 242369821350 269299801500 290843785620 363554732025 403949702250 436265678430 484739642700 605924553375 727109464050 807899404500 872531356860 1090664196075 1211849106750 1454218928100 1817773660125 2181328392150 2423698213500 3635547320250 4362656784300 5453320980375 7271094640500 10906641960750 21813283921500
• Sum of all divisors σ(n): 71367619338288
• Sum of proper divisors (its aliquot sum) s(n): 49554335416788
• 21813283921500 is an abundant number, because the sum of its proper divisors (49554335416788) is greater than itself. Its abundance is 27741051495288

Bases of 21813283921500

• Binary: 100111101011011001101000010100001111001011100₂
• Hexadecimal: 0x13D6CD0A1E5C
• Base-36: 7QCVU1LR0

Squares and roots of 21813283921500

• 21813283921500 squared (21813283921500²) is 475819355439970418162250000
• 21813283921500 cubed (21813283921500³) is 10379182695557200280934239503263375000000
• The square root of 21813283921500 is 4670469.3470249861
• The cube root of 21813283921500 is 27940.8974090931

Scales and comparisons

• 21,813,283,921,500 seconds is equal to 693,594 years, 49 weeks, 4 days, 21 hours, 45 minutes.
• To count from 1 to 21,813,283,921,500 would take you about one million, seven hundred thirty-three thousand, nine hundred eighty-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 21813283921500 cubic inches would be around 2328.4 feet tall.

Recreational maths with 21813283921500

• 21813283921500 backwards is 00512938231812
• 21813283921500 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21813283921500's digits is 45
• More coming soon!