21118322680166691

Names of 21118322680166691

• Cardinal: 21118322680166691 can be written as Twenty-one quadrillion, one hundred eighteen trillion, three hundred twenty-two billion, six hundred eighty million, one hundred sixty-six thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 2.1118322680166691 × 10¹⁶

Factors of 21118322680166691

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 305

Divisors of 21118322680166691

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 7 9 17 21 27 37 49 51 63 111 119 147 153 189 241 259 333 343 357 441 459 629 723 777 833 999 1029 1071 1323 1369 1687 1813 1887 2169 2331 2401 2499 3087 3213 4097 4107 4403 5061 5439 5661 5831 6507 6993 7203 7497 8917 9261 9583 11809 12291 12321 12691 13209 15183 16317 16983 17493 21609 22491 23273 26751 28679 28749 30821 35427 36873 36963 38073 39627 40817 45549 48951 52479 58081 62419 64827 67081 69819 80253 82663 86037 86247 88837 92463 106281 110619 114219 118881 122451 151589 157437 162911 174243 187257 200753 201243 209457 215747 240759 247989 258111 258741 266511 277389 318843 329929 342657 367353 406567 436933 454767 469567 488733 522729 561771 578641 602259 603729 628371 647241 743967 774333 799533 832167 987377 989787 1061123 1102059 1140377 1219701 1310799 1364301 1405271 1408701 1466199 1510229 1568187 1685313 1735923 1806777 1811187 1941723 2148997 2231901 2309503 2398599 2845969 2962131 2969361 3058531 3183369 3286969 3421131 3659103 3932397 4092903 4215813 4226103 4398597 4530687 5207769 5420331 5608793 5825169 6446991 6911639 6928509 7427861 7982639 8537907 8886393 8908083 9175593 9550107 9836897 9860907 10263393 10977309 11797191 12647439 12678309 13592061 13997521 15042979 15623307 16166521 16826379 19340973 19921783 20734917 20785527 21409717 22283583 23947917 25613721 26659179 27526779 28650321 29510691 29582721 30790179 36532949 37942317 39261551 40776183 41992563 45128937 48381473 48499563 50479137 51995027 55878473 58022919 59765349 62204751 62356581 64229151 66850749 71843751 76841163 79512889 82580337 88532073 88748163 97982647 105300853 109598847 113165647 117784653 125977689 135386811 139452481 145144419 145498689 151437411 155985081 167635419 179296047 186614253 192687453 200552247 215531253 237957857 238538667 255730643 265596219 274830857 293947941 315902559 328796541 338670311 339496941 353353959 363965189 377933067 406160433 418357443 435433257 436496067 467955243 502906257 517908277 537888141 556590223 578062359 685878529 713873571 715616001 737105971 767191929 792159529 824492571 881843823 947707677 986389623 1016010933 1018490823 1060061877 1091895567 1255072329 1306299771 1351719113 1403865729 1508718771 1553724831 1665704999 1669770669 1790114501 1923815999 2057635587 2141620713 2146848003 2211317913 2301575787 2370692177 2376478587 2473477713 2645531469 2843123031 3048032799 3055472469 3275686701 3625357939 3765216987 3896131561 4055157339 4661174493 4801149703 4997114997 5009312007 5159741797 5370343503 5771447997 6172906761 6424862139 6633953739 6904727361 7112076531 7129435761 7420433139 8804440709 9144098397 9462033791 9827060103 10876073817 11659934993 11688394683 12165472017 12530801507 13466711993 13983523479 14403449109 14991344991 15027936021 15479225391 16111030509 17314343991 18518720283 19162606249 19901861217 21336229593 21388307283 25377505573 26413322127 27272920927 28386101373 32628221451 33608047921 34979804979 35065184049 36496416051 37592404521 40400135979 43210347327 44974034973 46437676173 48333091527 51943031973 57487818747 61631084963 64008688779 66234236537 76132516719 79239966381 81619544951 81818762781 85158304119 87715610549 97884664353 100824143763 104939414937 105195552147 112777213563 121200407937 129631041981 134138243743 139313028519 172463456241 177642539011 184893254889 190910446489 198702709611 228397550157 237719899143 244858634853 245456288343 255474912357 263146831647 302472431289 314818244811 325764306233 338331640689 363601223811 402414731229 431417594741 463639655759 517390368723 532927617033 554679764667 571336814657 572731339467 596108128833 685192650471 734575904559 736368865029 789440494941 907417293867 938967706201 977292918699 1207244193687 1243497773077 1294252784223 1390918967277 1598782851099 1664039294001 1714010443971 1718194018401 1788324386499 2203727713677 2280350143631 2368321484823 2816903118603 2931878756097 3019923163187 3245477590313 3621732581061 3730493319231 3882758352669 4172756901831 4796348553297 5142031331913 5154582055203 6572773943407 6841050430893 8450709355809 8795636268291 9059769489561 9736432770939 11191479957693 11648275058007 12518270705493 15426093995739 15962451005417 19718321830221 20523151292679 21139462142309 25352128067427 27179308468683 29209298312817 33574439873079 46009417603849 47887353016251 59154965490663 61569453878037 63418386426927 81537925406049 87627894938451 111737157037919 138028252811547 143662059048753 177464896471989 190255159280781 335211471113757 414084758434641 430986177146259 570765477842343 782160099265433 1005634413341271 1242254275303923 2346480297796299 3016903240023813 7039440893388897 21118322680166691
• Sum of all divisors σ(n): 39883809308333760
• Sum of proper divisors (its aliquot sum) s(n): 18765486628167069
• 21118322680166691 is a deficient number, because the sum of its proper divisors (18765486628167069) is less than itself. Its deficiency is 2352836051999622

Bases of 21118322680166691

• Binary: 1001011000001110000000010101001100110100111100100100011₂
• Hexadecimal: 0x4B0700A99A7923
• Base-36: 5RXTJI8U5UR

Squares and roots of 21118322680166691

• 21118322680166691 squared (21118322680166691²) is 445983552823642851051731545889481
• 21118322680166691 cubed (21118322680166691³) is 9418424578576856305989370009313951558844943477371
• The square root of 21118322680166691 is 145321446.0434752589
• The cube root of 21118322680166691 is 276409.6114625683

Scales and comparisons

• 21,118,322,680,166,691 seconds is equal to 671,497,337 years, 50 weeks, 2 days, 10 hours, 44 minutes, 51 seconds.
• To count from 1 to 21,118,322,680,166,691 would take you about two billion, fourteen million, four hundred ninety-two thousand and thirteen 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 21118322680166691 cubic inches would be around 23034.1 feet tall.

Recreational maths with 21118322680166691

• 21118322680166691 backwards is 19666108622381112
• 21118322680166691 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21118322680166691's digits is 63
• More coming soon!