21090649166440

Names of 21090649166440

• Cardinal: 21090649166440 can be written as Twenty-one trillion, ninety billion, six hundred forty-nine million, one hundred sixty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.109064916644 × 10¹³

Factors of 21090649166440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 116

Divisors of 21090649166440

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 29 35 40 49 56 58 70 73 98 116 140 145 146 196 203 232 245 280 290 292 343 365 392 406 490 511 580 584 686 730 812 841 980 1015 1022 1160 1372 1421 1460 1624 1682 1715 1960 2030 2044 2117 2401 2555 2744 2842 2920 3364 3430 3577 4060 4088 4205 4234 4802 5110 5329 5684 5887 6728 6860 7105 7154 8120 8410 8468 9604 9947 10220 10585 10658 11368 11774 12005 13720 14210 14308 14819 16807 16820 16936 17885 19208 19894 20440 21170 21316 23548 24010 25039 26645 28420 28616 29435 29638 33614 33640 35770 37303 39788 41209 42340 42632 47096 48020 49735 50078 53290 56840 58870 59276 61393 67228 69629 71540 74095 74606 79576 82418 84035 84680 96040 99470 100156 103733 106580 117649 117740 118552 122786 125195 134456 139258 143080 148190 149212 154541 164836 168070 175273 186515 198940 200312 206045 207466 213160 235298 235480 245572 250390 261121 278516 288463 296380 298424 306965 309082 329672 336140 348145 350546 373030 397880 412090 414932 429751 470596 487403 491144 500780 518665 522242 557032 576926 588245 592760 613930 618164 672280 696290 701092 726131 746060 772705 824180 829864 859502 876365 941192 974806 1001560 1037330 1044484 1081787 1153852 1176490 1226911 1227860 1236328 1305605 1392580 1402184 1442315 1452262 1492120 1545410 1648360 1719004 1752730 1827847 1949612 2019241 2074660 2088968 2148755 2163574 2307704 2352980 2437015 2453822 2455720 2611210 2785160 2884630 2904524 3008257 3090820 3411821 3438008 3505460 3630655 3655694 3899224 4038482 4149320 4297510 4327148 4481689 4705960 4874030 4907644 5082917 5222420 5408935 5769260 5809048 6016514 6134555 6181640 6823642 7010920 7261310 7311388 7572509 8076964 8588377 8595020 8654296 8963378 9139235 9748060 9815288 10096205 10165834 10444840 10817870 11538520 12033028 12269110 12794929 13647284 14134687 14522620 14622776 15041285 15145018 16153928 17059105 17176754 17190040 17926756 18278470 19496120 20192410 20331668 21057799 21635740 22408445 24066056 24538220 25414585 25589858 27294568 28269374 29045240 30082570 30290036 31371823 34118210 34353508 35580419 35853512 36556940 37862545 40384820 40663336 42115598 42941885 43271480 44816890 49076440 50829170 51179716 53007563 56538748 60165140 60580072 62743646 63974645 68236420 68707016 70673435 71160838 73113880 75725090 80769640 84231196 85883770 89564503 89633780 98942809 101658340 102359432 105288995 106015126 113077496 120330280 125487292 127949290 136472840 141346870 142321676 147404593 151450180 156859115 168462392 171767540 177902095 179129006 179267560 197885618 203316680 210577990 212030252 219602761 249062933 250974584 255898580 265037815 282693740 284643352 294809186 302900360 313718230 343535080 355804190 358258012 371052941 395771236 421155980 424060504 439205522 447822515 494714045 498125866 511797160 530075630 565387480 589618372 626951521 627436460 711608380 716516024 737022965 742105882 791542472 842311960 878411044 895645030 989428090 996251732 1031832151 1060151260 1098013805 1179236744 1245314665 1253903042 1254872920 1423216760 1474045930 1484211764 1537219327 1756822088 1791290060 1855264705 1978856180 1992503464 2063664302 2120302520 2196027610 2490629330 2507806084 2597370587 2948091860 2968423528 3074438654 3134757605 3582580120 3710529410 3957712360 4127328604 4392055220 4981258660 5015612168 5159160755 5194741174 5896183720 6148877308 6269515210 7222825057 7421058820 7686096635 8254657208 8784110440 9962517320 10318321510 10389482348 10760535289 12297754616 12539030420 12986852935 14445650114 14842117640 15372193270 18181594109 20636643020 20778964696 21521070578 25078060840 25973705870 28891300228 30744386540 36114125285 36363188218 41273286040 43042141156 51947411740 53802676445 57782600456 61488773080 72228250570 72726376436 75323747023 86084282312 90907970545 103894823480 107605352890 144456501140 145452752872 150647494046 181815941090 215210705780 288913002280 301294988092 363631882180 376618735115 430421411560 527266229161 602589976184 727263764360 753237470230 1054532458322 1506474940460 2109064916644 2636331145805 3012949880920 4218129833288 5272662291610 10545324583220 21090649166440
• Sum of all divisors σ(n): 58133990370690
• Sum of proper divisors (its aliquot sum) s(n): 37043341204250
• 21090649166440 is an abundant number, because the sum of its proper divisors (37043341204250) is greater than itself. Its abundance is 15952692037810

Bases of 21090649166440

• Binary: 100110010111010001100101001101101001001101000₂
• Hexadecimal: 0x132E8CA6D268
• Base-36: 7H4WRYW6G

Squares and roots of 21090649166440

• 21090649166440 squared (21090649166440²) is 444815482261856266822273600
• 21090649166440 cubed (21090649166440³) is 9381447280185625479662274929465617984000
• The square root of 21090649166440 is 4592455.6793114509
• The cube root of 21090649166440 is 27628.8822690393

Scales and comparisons

• 21,090,649,166,440 seconds is equal to 670,617 years, 21 weeks, 17 hours, 20 minutes, 40 seconds.
• To count from 1 to 21,090,649,166,440 would take you about one million, six hundred seventy-six thousand, five hundred forty-three 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 21090649166440 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21090649166440

• 21090649166440 backwards is 04466194609012
• The number of decimal digits it has is: 14
• The sum of 21090649166440's digits is 52
• More coming soon!