21121343127232425

Names of 21121343127232425

• Cardinal: 21121343127232425 can be written as Twenty-one quadrillion, one hundred twenty-one trillion, three hundred forty-three billion, one hundred twenty-seven million, two hundred thirty-two thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.1121343127232425 × 10¹⁶

Factors of 21121343127232425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 849

Divisors of 21121343127232425

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 27 33 35 45 55 63 75 77 81 99 105 135 165 175 189 225 231 243 275 297 315 385 405 495 525 567 675 693 729 823 825 891 945 1155 1215 1485 1575 1701 1925 2025 2079 2187 2469 2475 2673 2835 3465 3645 4115 4455 4725 5103 5761 5775 6075 6237 6561 7407 7425 8019 8505 9053 10395 10935 12345 13365 14175 15309 17283 17325 18225 18711 19683 20575 22221 22275 24057 25515 27159 28805 31185 32805 37035 40095 42525 45265 45927 51849 51975 54675 56133 61725 63371 66663 66825 72171 76545 81477 86415 93555 98415 111105 120285 127575 135795 137781 144025 155547 155925 164025 168399 185175 190113 199989 200475 216513 226325 229635 244431 259245 280665 316855 333315 360855 382725 407385 432075 466641 467775 492075 505197 555525 570339 599967 601425 677329 678975 688905 733293 777735 841995 950565 999945 1082565 1148175 1222155 1296225 1399923 1403325 1515591 1584275 1666575 1711017 1799901 1804275 2031987 2036925 2199879 2333205 2525985 2851695 2999835 3386645 3444525 3666465 3888675 4199769 4209975 4741303 4752825 4999725 5133051 5399703 5412825 6095961 6110775 6599637 6999615 7450619 7577955 8555085 8999505 10159935 10999395 11666025 12599307 12629925 14223909 14258475 14999175 15399153 16199109 16933225 18287883 18332325 19798911 20998845 22351857 23706515 25665255 26998515 30479805 32998185 34998075 37253095 37797921 37889775 42671727 42775425 44997525 46197459 50799675 52154333 54863649 54996975 59396733 62996535 67055571 71119545 76995765 80995545 91439415 98994555 104994225 111759285 113393763 118532575 128015181 128326275 134992575 138592377 152399025 156462999 164590947 164990925 178190199 186265475 188989605 201166713 213358635 230987295 260771665 274318245 296983665 314982675 335277855 355597725 384045543 384978825 404977725 415777131 457197075 469388997 493772841 494972775 557441767 558796425 566968815 603500139 640075905 692961885 782314995 822954735 890950995 944948025 1005833565 1066793175 1152136629 1154936475 1247331393 1303858325 1371591225 1408166991 1481318523 1484918325 1672325301 1676389275 1810500417 1920227715 2078885655 2346944985 2468864205 2787208835 2834844075 3017500695 3200379525 3456409887 3464809425 3902092369 3911574975 4114773675 4224500973 4443955569 4454754975 5016975903 5029167825 5431501251 5760683145 6131859437 6236656965 7040834955 7406592615 8361626505 9052502085 9601138575 10369229661 10394428275 11706277107 11734724925 12344321025 12673502919 13331866707 13936044175 15050927709 15087503475 16294503753 17282049435 18395578311 19510461845 21122504865 22219777845 25084879515 27157506255 28803415725 30659297185 31107688983 31183284825 35118831321 35204174775 37032963075 38020508757 41808132525 42923016059 45152783127 45262510425 48883511259 51846148305 55186734933 58531385535 63367514595 66659333535 75254638545 81472518765 86410247175 91977891555 93323066949 97552309225 105356493963 105612524325 111098889225 114061526271 125424397575 128769048177 135458349381 135787531275 146650533777 153296485925 155538444915 165560204799 175594156605 190102543785 214615080295 225763915635 244417556295 259230741525 275933674665 292656927675 316069481889 316837572975 333296667675 342184578813 376273192725 386307144531 406375048143 407362593825 459889457775 466615334745 496680614397 526782469815 570307631355 643845240885 677291746905 733252668885 777692224575 827801023995 877970783025 948208445667 950512718925 1026553736439 1073075401475 1128819578175 1158921433593 1219125144429 1222087781475 1379668373325 1490041843191 1580347409445 1710922894065 1931535722655 2031875240715 2333076673725 2483403071985 2633912349075 2844625337001 2851538156775 3219226204425 3386458734525 3476764300779 3657375433287 3666263344425 4139005119975 4470125529573 4741042228335 5132768682195 5794607167965 6095625722145 7450209215955 7901737047225 8533876011003 8554614470325 9657678613275 10159376203575 10430292902337 10972126299861 12417015359925 13410376588719 14223126685005 17383821503895 18286877166435 22350627647865 23705211141675 25601628033009 25663843410975 28973035839825 30478128610725 31290878707011 37251046079775 40231129766157 42669380055015 52151464511685 54860631499305 67051882943595 71115633425025 76804884099027 86919107519475 91434385832175 93872636121033 111753138239325 120693389298471 128008140165045 156454393535055 201155648830785 213346900275075 260757322558425 274303157496525 281617908363099 335259414717975 384024420495135 469363180605165 603466946492355 640040700825225 782271967675275 844853725089297 1005778244153925 1408089541815495 1920122102475675 2346815903025825 3017334732461775 4224268625446485 7040447709077475 21121343127232425
• Sum of all divisors σ(n): 49038327173806080
• Sum of proper divisors (its aliquot sum) s(n): 27916984046573655
• 21121343127232425 is an abundant number, because the sum of its proper divisors (27916984046573655) is greater than itself. Its abundance is 6795640919341230

Bases of 21121343127232425

• Binary: 1001011000010011011111111101010010001110001111110101001₂
• Hexadecimal: 0x4B09BFEA471FA9
• Base-36: 5RYW32X19K9

Squares and roots of 21121343127232425

• 21121343127232425 squared (21121343127232425²) is 446111135498288394481639971380625
• 21121343127232425 cubed (21121343127232425³) is 9422466365738626681716840817296035715062516765625
• The square root of 21121343127232425 is 145331837.9682594705
• The cube root of 21121343127232425 is 276422.7886580741

Scales and comparisons

• 21,121,343,127,232,425 seconds is equal to 671,593,378 years, 43 weeks, 5 days, 12 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,121,343,127,232,425 would take you about two billion, fourteen million, seven hundred eighty thousand, one hundred thirty-six 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 21121343127232425 cubic inches would be around 23035.2 feet tall.

Recreational maths with 21121343127232425

• 21121343127232425 backwards is 52423272134312112
• 21121343127232425 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21121343127232425's digits is 45
• More coming soon!