21067452909833472

Names of 21067452909833472

• Cardinal: 21067452909833472 can be written as Twenty-one quadrillion, sixty-seven trillion, four hundred fifty-two billion, nine hundred nine million, eight hundred thirty-three thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1067452909833472 × 10¹⁶

Factors of 21067452909833472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 1122

Divisors of 21067452909833472

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 576 648 729 768 864 972 1117 1152 1296 1458 1728 1944 2187 2234 2304 2592 2916 3351 3456 3888 4374 4468 5184 5832 6561 6702 6912 7776 8748 8936 10053 10368 11664 13122 13404 15552 17496 17872 19683 20106 20736 23328 26244 26808 30159 31104 34992 35744 39366 40212 46656 52488 53616 59049 60318 62208 69984 71488 78732 80424 90477 93312 104976 107232 118098 120636 139968 142976 157464 160848 180954 186624 209952 214464 236196 241272 271431 279936 285952 314928 321696 361908 419904 428928 472392 482544 542862 559872 629856 643392 723816 814293 839808 857856 944784 965088 1085724 1247689 1259712 1286784 1447632 1628586 1679616 1889568 1930176 2171448 2442879 2495378 2519424 2573568 2895264 3257172 3743067 3779136 3860352 4342896 4885758 4990756 5038848 5790528 6514344 7328637 7486134 7558272 7720704 8685792 9771516 9981512 11229201 11581056 13028688 14657274 14972268 15116544 17371584 19543032 19963024 21985911 22458402 23162112 26057376 29314548 29944536 33687603 34743168 39086064 39926048 43971822 44916804 52114752 58629096 59889072 65957733 67375206 69486336 78172128 79852096 87943644 89833608 101062809 104229504 117258192 119778144 131915466 134750412 156344256 159704192 175887288 179667216 202125618 208459008 234516384 239556288 263830932 269500824 303188427 312688512 319408384 351774576 359334432 404251236 469032768 479112576 527661864 539001648 606376854 625377024 703549152 718668864 808502472 909565281 938065536 958225152 1055323728 1078003296 1212753708 1393668613 1407098304 1437337728 1617004944 1819130562 1876131072 2110647456 2156006592 2425507416 2728695843 2787337226 2814196608 2874675456 3234009888 3638261124 4181005839 4221294912 4312013184 4851014832 5457391686 5574674452 5628393216 6468019776 7276522248 8186087529 8362011678 8442589824 8624026368 9702029664 10914783372 11149348904 12543017517 12936039552 14553044496 16372175058 16724023356 16885179648 19404059328 21829566744 22298697808 24558262587 25086035034 25872079104 29106088992 32744350116 33448046712 37629052551 38808118656 43659133488 44597395616 49116525174 50172070068 58212177984 65488700232 66896093424 73674787761 75258105102 77616237312 87318266976 89194791232 98233050348 100344140136 112887157653 116424355968 130977400464 133792186848 147349575522 150516210204 174636533952 178389582464 196466100696 200688280272 225774315306 232848711936 261954800928 267584373696 294699151044 301032420408 338661472959 349273067904 356779164928 392932201392 401376560544 451548630612 523909601856 535168747392 589398302088 602064840816 677322945918 698546135808 785864402784 802753121088 903097261224 1015984418877 1047819203712 1070337494784 1178796604176 1204129681632 1354645891836 1571728805568 1605506242176 1806194522448 2031968837754 2095638407424 2357593208352 2408259363264 2709291783672 3047953256631 3143457611136 3211012484352 3612389044896 4063937675508 4715186416704 4816518726528 5418583567344 6095906513262 6286915222272 7224778089792 8127875351016 9143859769893 9430372833408 9633037453056 10837167134688 12191813026524 14449556179584 16255750702032 18287719539786 18860745666816 21674334269376 24383626053048 27431579309679 28899112359168 32511501404064 36575439079572 43348668538752 48767252106096 54863158619358 65023002808128 73150878159144 82294737929037 86697337077504 97534504212192 109726317238716 130046005616256 146301756318288 164589475858074 195069008424384 219452634477432 260092011232512 292603512636576 329178951716148 390138016848768 438905268954864 585207025273152 658357903432296 780276033697536 877810537909728 1170414050546304 1316715806864592 1755621075819456 2340828101092608 2633431613729184 3511242151638912 5266863227458368 7022484303277824 10533726454916736 21067452909833472
• Sum of all divisors σ(n): 63135082547888260
• Sum of proper divisors (its aliquot sum) s(n): 42067629638054788
• 21067452909833472 is an abundant number, because the sum of its proper divisors (42067629638054788) is greater than itself. Its abundance is 21000176728221316

Bases of 21067452909833472

• Binary: 1001010110110001011110010011111000000110100110100000000₂
• Hexadecimal: 0x4AD8BC9F034D00
• Base-36: 5RFSE990000

Squares and roots of 21067452909833472

• 21067452909833472 squared (21067452909833472²) is 443837572108050826503634771574784
• 21067452909833472 cubed (21067452909833472³) is 9350527150001178836043896005954371172180634370048
• The square root of 21067452909833472 is 145146315.5227630021
• The cube root of 21067452909833472 is 276187.4947293275

Scales and comparisons

• 21,067,452,909,833,472 seconds is equal to 669,879,836 years, 32 weeks, 2 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,067,452,909,833,472 would take you about two billion, nine million, six hundred thirty-nine thousand, five hundred nine 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 21067452909833472 cubic inches would be around 23015.6 feet tall.

Recreational maths with 21067452909833472

• 21067452909833472 backwards is 27433890925476012
• 21067452909833472 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21067452909833472's digits is 72
• More coming soon!