21020985978216

Names of 21020985978216

• Cardinal: 21020985978216 can be written as Twenty-one trillion, twenty billion, nine hundred eighty-five million, nine hundred seventy-eight thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1020985978216 × 10¹³

Factors of 21020985978216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 147

Divisors of 21020985978216

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 24 28 37 38 42 56 57 74 76 79 84 111 114 133 148 152 158 168 222 228 237 259 266 296 316 361 399 444 456 474 518 532 553 632 703 722 777 798 888 948 1036 1064 1083 1106 1406 1444 1501 1554 1596 1659 1896 2072 2109 2166 2212 2527 2812 2888 2923 3002 3108 3192 3318 4218 4332 4424 4503 4921 5054 5624 5846 6004 6216 6241 6636 6859 7581 8436 8664 8769 9006 9842 10108 10507 11692 12008 12482 13272 13357 13718 14763 15162 16872 17538 18012 18723 19684 20216 20461 20577 21014 23384 24964 26714 27436 28519 29526 30324 31521 35076 36024 37446 39368 40071 40922 41154 42028 43687 48013 49928 53428 54872 55537 57038 59052 60648 61383 63042 70152 74892 80142 81844 82308 84056 85557 87374 93499 96026 106856 111074 114076 118104 118579 122766 126084 131061 144039 149784 160284 163688 164616 166611 171114 174748 186998 192052 199633 222148 228152 230917 237158 245532 252168 253783 262122 280497 288078 320568 333222 342228 349496 355737 373996 384104 388759 399266 444296 461834 474316 491064 493039 507566 524244 541861 560994 576156 598899 666444 684456 692751 711474 747992 761349 777518 798532 830053 923668 948632 986078 1015132 1048488 1055203 1083722 1121988 1152312 1166277 1197798 1332888 1385502 1422948 1479117 1522698 1555036 1597064 1616419 1625583 1660106 1776481 1847336 1972156 2030264 2110406 2167444 2243976 2253001 2332554 2395596 2490159 2771004 2845896 2958234 3045396 3110072 3165609 3232838 3251166 3320212 3451273 3552962 3793027 3944312 4220812 4334888 4387423 4506002 4665108 4791192 4849257 4980318 5329443 5542008 5916468 6090792 6331218 6465676 6502332 6640424 6759003 6902546 7105924 7386421 7586054 8441624 8774846 9012004 9330216 9367741 9698514 9960636 10353819 10658886 11379081 11832936 12662436 12931352 13004664 13162269 13518006 13805092 14211848 14772842 15172108 15771007 17549692 18024008 18242443 18735482 19397028 19921272 20048857 20707638 21317772 22159263 22758162 25324872 26324538 27036012 27610184 28103223 29545684 30344216 30711961 31542014 35099384 36484886 37470964 38794056 40097714 41415276 42635544 42807019 44318526 45516324 47313021 52649076 54072024 54727329 56206446 59091368 60146571 61423922 63084028 65574187 72969772 74941928 80195428 82830552 83361037 85614038 88637052 91032648 92135883 94626042 105298152 109454658 112412892 120293142 122847844 126168056 127697101 128421057 131148374 140341999 145939544 160390856 166722074 171228076 177274104 177987079 184271766 189252084 196722561 218909316 224825784 240586284 245695688 250083111 255394202 256842114 262296748 280683998 299649133 333444148 342456152 346606417 355974158 368543532 378504168 383091303 393445122 421025997 437818632 481172568 500166222 510788404 513684228 524593496 533961237 561367996 583527259 599298266 666888296 693212834 711948316 737087064 766182606 786890244 842051994 898947399 1000332444 1021576808 1027368456 1039819251 1067922474 1122735992 1167054518 1198596532 1245909553 1386425668 1423896632 1532365212 1573780488 1583859703 1684103988 1750581777 1797894798 2000664888 2079638502 2135844948 2334109036 2397193064 2426244919 2491819106 2772851336 3064730424 3167719406 3368207976 3381754501 3501163554 3595789596 3737728659 4159277004 4271689896 4668218072 4751579109 4852489838 4983638212 6335438812 6585521923 6763509002 7002327108 7191579192 7278734757 7475457318 8318554008 9503158218 9704979676 9967276424 10145263503 11087017921 12670877624 13171043846 13527018004 14004654216 14557469514 14950914636 19006316436 19409959352 19756565769 20290527006 22174035842 23672281507 26342087692 27054036008 29114939028 29901829272 33261053763 38012632872 39513131538 40581054012 44348071684 46098653461 47344563014 52684175384 58229878056 66522107526 71016844521 79026263076 81162108024 88696143368 92197306922 94689126028 125124916537 133044215052 138295960383 142033689042 158052526152 184394613844 189378252056 250249833074 266088430104 276591920766 284067378084 368789227688 375374749611 500499666148 553183841532 568134756168 750749499222 875874415759 1000999332296 1106367683064 1501498998444 1751748831518 2627623247277 3002997996888 3503497663036 5255246494554 7006995326072 10510492989108 21020985978216
• Sum of all divisors σ(n): 65944283136000
• Sum of proper divisors (its aliquot sum) s(n): 44923297157784
• 21020985978216 is an abundant number, because the sum of its proper divisors (44923297157784) is greater than itself. Its abundance is 23902311179568

Bases of 21020985978216

• Binary: 100110001111001010100011001101110110101101000₂
• Hexadecimal: 0x131E5466ED68
• Base-36: 7G8WOB04O

Squares and roots of 21020985978216

• 21020985978216 squared (21020985978216²) is 441881851496353682426542656
• 21020985978216 cubed (21020985978216³) is 9288792204332975556340230582199010781696
• The square root of 21020985978216 is 4584864.8811296501
• The cube root of 21020985978216 is 27598.4289775697

Scales and comparisons

• 21,020,985,978,216 seconds is equal to 668,402 years, 17 weeks, 1 day, 19 hours, 43 minutes, 36 seconds.
• To count from 1 to 21,020,985,978,216 would take you about one million, six hundred seventy-one thousand and five 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 21020985978216 cubic inches would be around 2299.9 feet tall.

Recreational maths with 21020985978216

• 21020985978216 backwards is 61287958902012
• The number of decimal digits it has is: 14
• The sum of 21020985978216's digits is 60
• More coming soon!