20645027942400

Names of 20645027942400

• Cardinal: 20645027942400 can be written as Twenty trillion, six hundred forty-five billion, twenty-seven million, nine hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.06450279424 × 10¹³

Factors of 20645027942400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 4743

Divisors of 20645027942400

• Number of divisors d(n): 351
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 128 144 150 160 180 192 200 225 240 256 288 300 320 360 384 400 450 480 512 576 600 640 720 768 800 900 960 1024 1152 1200 1280 1440 1536 1600 1800 1920 2048 2304 2400 2560 2880 3072 3200 3600 3840 4096 4608 4733 4800 5120 5760 6144 6400 7200 7680 9216 9466 9600 10240 11520 12288 12800 14199 14400 15360 18432 18932 19200 20480 23040 23665 25600 28398 28800 30720 36864 37864 38400 42597 46080 47330 51200 56796 57600 61440 70995 75728 76800 85194 92160 94660 102400 113592 115200 118325 141990 151456 153600 170388 184320 189320 212985 227184 230400 236650 283980 302912 307200 340776 354975 378640 425970 454368 460800 473300 567960 605824 681552 709950 757280 851940 908736 921600 946600 1064925 1135920 1211648 1363104 1419900 1514560 1703880 1817472 1893200 2129850 2271840 2423296 2726208 2839800 3029120 3407760 3634944 3786400 4259700 4543680 4846592 5452416 5679600 6058240 6815520 7269888 7572800 8519400 9087360 9693184 10904832 11359200 12116480 13631040 14539776 15145600 17038800 18174720 19386368 21809664 22401289 22718400 24232960 27262080 29079552 30291200 34077600 36349440 43619328 44802578 45436800 48465920 54524160 58159104 60582400 67203867 68155200 72698880 87238656 89605156 90873600 96931840 109048320 112006445 121164800 134407734 136310400 145397760 174477312 179210312 181747200 201611601 218096640 224012890 242329600 268815468 272620800 290795520 336019335 358420624 363494400 403223202 436193280 448025780 484659200 537630936 545241600 560032225 672038670 716841248 726988800 806446404 872386560 896051560 1008058005 1075261872 1090483200 1120064450 1344077340 1433682496 1453977600 1612892808 1680096675 1792103120 2016116010 2150523744 2180966400 2240128900 2688154680 2867364992 3225785616 3360193350 3584206240 4032232020 4301047488 4361932800 4480257800 5040290025 5376309360 5734729984 6451571232 6720386700 7168412480 8064464040 8602094976 8960515600 10080580050 10752618720 11469459968 12903142464 13440773400 14336824960 16128928080 17204189952 17921031200 20161160100 21505237440 22938919936 25806284928 26881546800 28673649920 32257856160 34408379904 35842062400 40322320200 43010474880 45877839872 51612569856 53763093600 57347299840 64515712320 68816759808 71684124800 80644640400 86020949760 91755679744 103225139712 107526187200 114694599680 129031424640 137633519616 143368249600 161289280800 172041899520 206450279424 215052374400 229389199360 258062849280 275267039232 286736499200 322578561600 344083799040 412900558848 430104748800 458778398720 516125698560 573472998400 645157123200 688167598080 825801117696 860209497600 1032251397120 1146945996800 1290314246400 1376335196160 1720418995200 2064502794240 2293891993600 2580628492800 3440837990400 4129005588480 5161256985600 6881675980800 10322513971200 20645027942400
• Sum of all divisors σ(n): 73961676960379
• Sum of proper divisors (its aliquot sum) s(n): 53316649017979
• 20645027942400 is an abundant number, because the sum of its proper divisors (53316649017979) is greater than itself. Its abundance is 32671621075579

Bases of 20645027942400

• Binary: 100101100011011001011100011101001000000000000₂
• Hexadecimal: 0x12C6CB8E9000
• Base-36: 7BG70LJ40

Squares and roots of 20645027942400

• 20645027942400 squared (20645027942400²) is 426217178742476777717760000
• 20645027942400 cubed (20645027942400³) is 8799265564669328369766268900737024000000
• 20645027942400 is a perfect square number. Its square root is 4543680
• The cube root of 20645027942400 is 27432.9066088213

Scales and comparisons

• 20,645,027,942,400 seconds is equal to 656,448 years, 1 week, 3 days, 16 hours.
• To count from 1 to 20,645,027,942,400 would take you about one million, six hundred forty-one thousand, one hundred twenty 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 20645027942400 cubic inches would be around 2286.1 feet tall.

Recreational maths with 20645027942400

• 20645027942400 backwards is 00424972054602
• 20645027942400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20645027942400's digits is 45
• More coming soon!