21542521005008400

Names of 21542521005008400

• Cardinal: 21542521005008400 can be written as Twenty-one quadrillion, five hundred forty-two trillion, five hundred twenty-one billion, five million, eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.15425210050084 × 10¹⁶

Factors of 21542521005008400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1146039

Divisors of 21542521005008400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 3671 4297 7342 8594 11013 12891 14684 17188 18355 21485 22026 25782 29368 34376 36710 42970 44052 51564 55065 58736 64455 68752 73420 85940 88104 91775 103128 107425 110130 128910 146840 171880 176208 183550 206256 214850 220260 257820 275325 293680 322275 343760 367100 429700 440520 515640 550650 644550 734200 859400 881040 1031280 1101300 1138061 1289100 1468400 1718800 2202600 2276122 2578200 3414183 4405200 4552244 5156400 5690305 6828366 9104488 11380610 13656732 15774287 17070915 18208976 22761220 27313464 28451525 31548574 34141830 45522440 47322861 54626928 56903050 63097148 68283660 78871435 85354575 91044880 94645722 113806100 126194296 136567320 157742870 170709150 189291444 227612200 236614305 252388592 273134640 315485740 341418300 378582888 394357175 455224400 473228610 630971480 682836600 757165776 788714350 946457220 1183071525 1261942960 1365673200 1577428700 1892914440 2366143050 3154857400 3785828880 4177821931 4732286100 4890248117 6309714800 8355643862 9464572200 9780496234 12533465793 14670744351 16711287724 18929144400 19560992468 20889109655 24451240585 25066931586 29341488702 33422575448 39121984936 41778219310 48902481170 50133863172 58682977404 62667328965 66845150896 73353721755 78243969872 83556438620 97804962340 100267726344 104445548275 117365954808 122256202925 125334657930 146707443510 167112877240 195609924680 200535452688 208891096550 234731909616 244512405850 250669315860 293414887020 313336644825 334225754480 366768608775 391219849360 417782193100 489024811700 501338631720 586829774040 626673289650 733537217550 835564386200 978049623400 1002677263440 1173659548080 1253346579300 1467074435100 1671128772400 1956099246800 2506693158600 2934148870200 5013386317200 5868297740400 17952100837507 35904201675014 53856302512521 71808403350028 89760504187535 107712605025042 143616806700056 179521008375070 215425210050084 269281512562605 287233613400112 359042016750140 430850420100168 448802520937675 538563025125210 718084033500280 861700840200336 897605041875350 1077126050250420 1346407562813025 1436168067000560 1795210083750700 2154252100500840 2692815125626050 3590420167501400 4308504201001680 5385630251252100 7180840335002800 10771260502504200 21542521005008400
• Sum of all divisors σ(n): 69042798322339968
• Sum of proper divisors (its aliquot sum) s(n): 47500277317331568
• 21542521005008400 is an abundant number, because the sum of its proper divisors (47500277317331568) is greater than itself. Its abundance is 25957756312323168

Bases of 21542521005008400

• Binary: 1001100100010001100111100001000000100011110011000010000₂
• Hexadecimal: 0x4C88CF0811E610
• Base-36: 5W46PIYZ09C

Squares and roots of 21542521005008400

• 21542521005008400 squared (21542521005008400²) is 464080211251228124377884070560000
• 21542521005008400 cubed (21542521005008400³) is 9997457698888317475231830463738476338992704000000
• The square root of 21542521005008400 is 146773706.7904479955
• The cube root of 21542521005008400 is 278248.0792170449

Scales and comparisons

• 21,542,521,005,008,400 seconds is equal to 684,985,532 years, 29 weeks, 3 days, 6 hours, 20 minutes.
• To count from 1 to 21,542,521,005,008,400 would take you about two billion, fifty-four million, nine hundred fifty-six thousand, five hundred ninety-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 21542521005008400 cubic inches would be around 23187.3 feet tall.

Recreational maths with 21542521005008400

• 21542521005008400 backwards is 00480050012524512
• The number of decimal digits it has is: 17
• The sum of 21542521005008400's digits is 39
• More coming soon!