21084839937615204

Names of 21084839937615204

• Cardinal: 21084839937615204 can be written as Twenty-one quadrillion, eighty-four trillion, eight hundred thirty-nine billion, nine hundred thirty-seven million, six hundred fifteen thousand, two hundred four.

Scientific notation

• Scientific notation: 2.1084839937615204 × 10¹⁶

Factors of 21084839937615204

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2010

Divisors of 21084839937615204

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 59 73 81 108 118 146 162 177 219 236 292 324 354 438 531 657 708 876 1062 1314 1593 1873 1971 2124 2628 3186 3481 3746 3942 4307 4779 5329 5619 5913 6372 6962 7492 7884 8614 9558 10443 10658 11238 11826 12921 13924 15987 16857 17228 19116 20886 21316 22476 23652 25842 31329 31974 33714 38763 41772 47961 50571 51684 62658 63948 67428 77526 93987 95922 101142 110507 116289 125316 136729 143883 151713 155052 187974 191844 202284 221014 232578 254113 273458 281961 287766 303426 314411 331521 348867 375948 410187 431649 442028 465156 508226 546916 563922 575532 606852 628822 663042 697734 762339 820374 863298 943233 994563 1016452 1127844 1230561 1257644 1326084 1395468 1524678 1640748 1726596 1886466 1989126 2287017 2461122 2829699 2983689 3049356 3508129 3691683 3772932 3978252 4574034 4922244 5659398 5967378 6519913 6861051 7016258 7383366 8067011 8489097 8951067 9148068 9981217 10524387 11075049 11318796 11934756 13039826 13722102 14032516 14766732 16134022 16978194 17902134 18550249 19559739 19962434 20583153 21048774 22150098 24201033 25467291 26079652 27444204 29943651 31573161 32268044 33956388 35804268 37100498 39119478 39924868 41166306 42097548 44300196 48402066 50934582 55650747 58679217 59887302 63146322 72603099 74200996 78238956 82332612 89830953 94719483 96804132 101869164 111301494 117358434 119774604 126292644 145206198 166952241 176037651 179661906 189438966 206979611 217809297 222602988 234716868 256093417 269492859 284158449 290412396 333904482 352075302 359323812 378877932 413959222 435618594 475953649 500856723 512186834 528112953 538985718 568316898 588891803 620938833 653427891 667808964 704150604 768280251 808478577 827918444 871237188 951907298 1001713446 1024373668 1056225906 1077971436 1136633796 1177783606 1241877666 1306855782 1427860947 1502570169 1536560502 1616957154 1766675409 1862816499 1903814596 2003426892 2112451812 2304840753 2355567212 2483755332 2613711564 2855721894 3005140338 3073121004 3233914308 3533350818 3725632998 4283582841 4609681506 5300026227 5588449497 5711443788 6010280676 6914522259 7066701636 7451265996 8567165682 9219363012 10600052454 11176898994 12211797049 12850748523 13829044518 15109511603 15900078681 16765348491 17134331364 18694819441 20743566777 21200104908 22353797988 24423594098 25701497046 27658089036 30219023206 31800157362 33530696982 34744616377 36635391147 37389638882 38552245569 41487133554 45328534809 47700236043 48847188196 51402994092 56084458323 60438046412 63600314724 67061393964 69489232754 73270782294 74779277764 77104491138 82974267108 90657069618 95400472086 104233849131 109906173441 112168916646 135985604427 138978465508 146541564588 154208982276 168253374969 181314139236 190800944172 208467698262 219812346882 224337833292 271971208854 312701547393 329718520323 336506749938 407956813281 416935396524 439624693764 504760124907 543942417708 625403094786 659437040646 673013499876 815913626562 891461184577 938104642179 989155560969 1009520249814 1102994347019 1223870439843 1250806189572 1318874081292 1514280374721 1631827253124 1782922369154 1876209284358 1978311121938 2019040499628 2205988694038 2447740879686 2674383553731 2814313926537 3028560749442 3308983041057 3565844738308 3752418568716 3956622243876 4411977388076 4895481759372 5348767107462 5628627853074 6057121498884 6617966082114 8023150661193 9926949123171 10697534214924 11257255706148 13235932164228 16046301322386 19853898246342 24069451983579 29780847369513 32092602644772 39707796492684 48138903967158 59561694739026 65076666474121 72208355950737 89342542108539 96277807934316 119123389478052 130153332948242 144416711901474 178685084217078 195229999422363 260306665896484 288833423802948 357370168434156 390459998844726 585689998267089 780919997689452 1171379996534178 1757069994801267 2342759993068356 3514139989602534 5271209984403801 7028279979205068 10542419968807602 21084839937615204
• Sum of all divisors σ(n): 56878979032780443
• Sum of proper divisors (its aliquot sum) s(n): 35794139095165239
• 21084839937615204 is an abundant number, because the sum of its proper divisors (35794139095165239) is greater than itself. Its abundance is 14709299157550035

Bases of 21084839937615204

• Binary: 1001010111010001000110011011010101000001010010101100100₂
• Hexadecimal: 0x4AE88CDAA0A564
• Base-36: 5RLY9QWF690

Squares and roots of 21084839937615204

• 21084839937615204 squared (21084839937615204²) is 444570475194853119706582771961616
• 21084839937615204 cubed (21084839937615204³) is 9373697310473008449860172570708413415500066009664
• 21084839937615204 is a perfect square number. Its square root is 145206198
• The cube root of 21084839937615204 is 276263.4532740577

Scales and comparisons

• 21,084,839,937,615,204 seconds is equal to 670,432,690 years, 16 weeks, 5 days, 22 hours, 53 minutes, 24 seconds.
• To count from 1 to 21,084,839,937,615,204 would take you about two billion, eleven million, two hundred ninety-eight thousand and seventy 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 21084839937615204 cubic inches would be around 23022 feet tall.

Recreational maths with 21084839937615204

• 21084839937615204 backwards is 40251673993848012
• The number of decimal digits it has is: 17
• The sum of 21084839937615204's digits is 72
• More coming soon!