21042187817472

Names of 21042187817472

• Cardinal: 21042187817472 can be written as Twenty-one trillion, forty-two billion, one hundred eighty-seven million, eight hundred seventeen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1042187817472 × 10¹³

Factors of 21042187817472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 233

Divisors of 21042187817472

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 54 64 72 81 94 96 108 128 141 144 162 181 188 192 216 243 256 282 288 324 362 376 384 423 432 486 512 543 564 576 648 724 729 752 768 846 864 972 1086 1128 1152 1269 1296 1448 1458 1504 1536 1629 1692 1728 1944 2172 2187 2209 2256 2304 2538 2592 2896 2916 3008 3258 3384 3456 3807 3888 4344 4374 4418 4512 4608 4887 5076 5184 5792 5832 6016 6516 6627 6768 6912 7614 7776 8507 8688 8748 8836 9024 9774 10152 10368 11421 11584 11664 12032 13032 13254 13536 13824 14661 15228 15552 17014 17376 17496 17672 18048 19548 19881 20304 20736 22842 23168 23328 24064 25521 26064 26508 27072 29322 30456 31104 34028 34263 34752 34992 35344 36096 39096 39762 40608 41472 43983 45684 46336 46656 51042 52128 53016 54144 58644 59643 60912 62208 68056 68526 69504 69984 70688 72192 76563 78192 79524 81216 87966 91368 92672 93312 102084 102789 103823 104256 106032 108288 117288 119286 121824 124416 131949 136112 137052 139008 139968 141376 153126 156384 159048 162432 175932 178929 182736 186624 204168 205578 207646 208512 212064 216576 229689 234576 238572 243648 263898 272224 274104 278016 279936 282752 306252 311469 312768 318096 324864 351864 357858 365472 373248 395847 399829 408336 411156 415292 417024 424128 459378 469152 477144 487296 527796 536787 544448 548208 559872 565504 612504 622938 625536 636192 649728 689067 703728 715716 730944 791694 799658 816672 822312 830584 834048 848256 918756 934407 938304 954288 974592 1055592 1073574 1088896 1096416 1119744 1131008 1199487 1225008 1245876 1251072 1272384 1378134 1407456 1431432 1461888 1583388 1599316 1610361 1633344 1644624 1661168 1696512 1837512 1868814 1876608 1908576 1949184 2067201 2111184 2147148 2177792 2192832 2398974 2450016 2491752 2502144 2544768 2756268 2803221 2814912 2862864 2923776 3166776 3198632 3220722 3266688 3289248 3322336 3393024 3598461 3675024 3737628 3753216 3817152 4134402 4222368 4294296 4355584 4385664 4797948 4831083 4900032 4983504 5089536 5512536 5606442 5629824 5725728 5847552 6201603 6333552 6397264 6441444 6533376 6578496 6644672 7196922 7350048 7475256 7506432 7634304 8268804 8409663 8444736 8588592 8771328 9595896 9662166 9800064 9967008 10179072 10795383 11025072 11212884 11259648 11451456 12403206 12667104 12794528 12882888 13066752 13156992 13289344 14393844 14700096 14950512 15268608 16537608 16819326 16889472 17177184 17542656 18604809 18791963 19191792 19324332 19600128 19934016 21590766 22050144 22425768 22519296 22902912 24806412 25228989 25334208 25589056 25765776 26313984 26578688 28787688 29400192 29901024 30537216 32386149 33075216 33638652 33778944 34354368 37209618 37583926 38383584 38648664 39200256 39868032 43181532 44100288 44851536 45805824 49612824 50457978 50668416 51178112 51531552 52627968 53157376 56375889 57575376 58800384 59802048 64772298 66150432 67277304 67557888 68708736 74419236 75167852 75686967 76767168 77297328 79736064 86363064 88200576 89703072 91611648 97158447 99225648 100915956 101336832 102356224 103063104 112751778 115150752 117600768 119604096 129544596 132300864 134554608 137417472 148838472 150335704 151373934 153534336 154594656 159472128 169127667 172726128 176401152 179406144 194316894 198451296 201831912 202673664 204712448 206126208 225503556 227060901 230301504 239208192 259089192 264601728 269109216 274834944 291475341 297676944 300671408 302747868 307068672 309189312 338255334 345452256 352802304 358812288 388633788 396902592 403663824 412252416 451007112 454121802 460603008 478416384 507383001 518178384 529203456 538218432 582950682 595353888 601342816 605495736 614137344 618378624 676510668 690904512 717624576 777267576 793805184 807327648 824504832 874426023 902014224 908243604 921206016 1014766002 1036356768 1058406912 1076436864 1165901364 1190707776 1202685632 1210991472 1236757248 1353021336 1381809024 1435249152 1522149003 1554535152 1587610368 1614655296 1748852046 1804028448 1816487208 1842412032 2029532004 2072713536 2152873728 2331802728 2381415552 2405371264 2421982944 2473514496 2706042672 2763618048 3044298006 3109070304 3175220736 3229310592 3497704092 3608056896 3632974416 4059064008 4145427072 4305747456 4566447009 4663605456 4762831104 4810742528 4843965888 5412085344 5527236096 6088596012 6218140608 6458621184 6995408184 7216113792 7265948832 8118128016 8290854144 9132894018 9327210912 9525662208 9621485056 9687931776 10824170688 12177192024 12436281216 12917242368 13699341027 13990816368 14432227584 14531897664 16236256032 16581708288 18265788036 18654421824 19375863552 21648341376 24354384048 24872562432 27398682054 27981632736 28864455168 29063795328 32472512064 36531576072 37308843648 38751727104 41098023081 43296682752 48708768096 49745124864 54797364108 55963265472 58127590656 64945024128 73063152144 74617687296 82196046162 86593365504 97417536192 109594728216 111926530944 116255181312 129890048256 146126304288 149235374592 164392092324 194835072384 219189456432 223853061888 259780096512 292252608576 328784184648 389670144768 438378912864 447706123776 584505217152 657568369296 779340289536 876757825728 1169010434304 1315136738592 1753515651456 2338020868608 2630273477184 3507031302912 5260546954368 7014062605824 10521093908736 21042187817472
• Sum of all divisors σ(n): 64782003686400
• Sum of proper divisors (its aliquot sum) s(n): 43739815868928
• 21042187817472 is an abundant number, because the sum of its proper divisors (43739815868928) is greater than itself. Its abundance is 22697628051456

Bases of 21042187817472

• Binary: 100110010001101000100001000010101001000000000₂
• Hexadecimal: 0x132344215200
• Base-36: 7GINBC000

Squares and roots of 21042187817472

• 21042187817472 squared (21042187817472²) is 442773668145767050788470784
• 21042187817472 cubed (21042187817472³) is 9316926685754249587585982223117396738048
• The square root of 21042187817472 is 4587176.4537100597
• The cube root of 21042187817472 is 27607.7044835137

Scales and comparisons

• 21,042,187,817,472 seconds is equal to 669,076 years, 25 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,042,187,817,472 would take you about one million, six hundred seventy-two thousand, six hundred ninety-one 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 21042187817472 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21042187817472

• 21042187817472 backwards is 27471878124012
• 21042187817472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21042187817472's digits is 54
• More coming soon!