21027149009695868

Names of 21027149009695868

• Cardinal: 21027149009695868 can be written as Twenty-one quadrillion, twenty-seven trillion, one hundred forty-nine billion, nine million, six hundred ninety-five thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1027149009695868 × 10¹⁶

Factors of 21027149009695868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 524

Divisors of 21027149009695868

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 13 17 26 31 34 52 62 68 124 169 221 289 338 403 442 461 527 578 676 806 884 922 961 1054 1156 1612 1844 1922 2108 2873 3757 3844 4913 5239 5746 5993 6851 7514 7837 8959 9826 10478 11492 11986 12493 13702 14291 15028 15674 16337 17918 19652 20956 23972 24986 27404 28582 29791 31348 32674 35836 48841 49972 57164 59582 63869 65348 77909 89063 97682 101881 116467 119164 127738 133229 152303 155818 162409 178126 185783 195364 203762 212381 212521 232934 242947 255476 266458 277729 304606 311636 324818 356252 371566 387283 407524 424762 425042 443021 465868 485894 506447 532916 555458 609212 649636 743132 774566 830297 849524 850084 886042 971788 1012894 1110916 1324453 1514071 1549132 1660594 1731977 1772084 1979939 2025788 2264893 2415179 2648906 2760953 2762773 3028142 3158311 3321188 3463954 3610477 3612857 3959878 4130099 4529786 4721393 4830358 5034679 5297812 5521906 5525546 5759273 6056284 6316622 6583811 6588151 6927908 7220954 7225714 7531357 7919756 8260198 8609599 9059572 9442786 9660716 10069358 11043812 11051092 11518546 12633244 13167622 13176302 13733651 14441908 14451428 15062714 16520396 17219198 18885572 20138716 22515701 23037092 25739207 26335244 26352604 27467302 29443609 30125428 34438396 35916049 41058043 45031402 46936201 46967141 51478414 53691287 54934604 58887218 61378109 61418569 70211683 71832098 74870549 82116086 85589543 85645963 90062804 93872402 93934282 97907641 102956828 107382574 111924787 111998567 117774436 122756218 122837138 128033069 140423366 143664196 146363183 149741098 164232172 171179086 171291926 178537463 187744804 187868564 195815282 204232681 214765148 223849574 223997134 233472067 245512436 245674276 256066138 280846732 292726366 299482196 342358172 342583852 357074926 382766917 391630564 408465362 447699148 447994268 466944134 512132276 585452732 610572833 697986731 714149852 765533834 797915417 798441397 816930724 912751879 933888268 1044115673 1113397519 1221145666 1272799333 1395973462 1455022231 1455981371 1531067668 1595830834 1596882794 1664429897 1825503758 1902721379 1903975639 2088231346 2176562173 2226795038 2320987019 2442291332 2545598666 2655024853 2791946924 2910044462 2911962742 3035136871 3191661668 3193765588 3328859794 3471955577 3651007516 3805442758 3807951278 3969025139 4176462692 4353124346 4453590076 4641974038 5091197332 5310049706 5820088924 5823925484 6070273742 6331213111 6657719588 6943911154 7610885516 7615902556 7938050278 8706248692 9283948076 10379738161 10620099412 11865774427 12140547484 12662426222 13573503749 13887822308 15876100556 18927757823 20759476322 21637588661 23731548854 24735377927 24751683307 25324852444 27147007498 28295308249 32367585863 34515323089 37855515646 39456779323 41518952644 43275177322 45135422501 47463097708 49470755854 49503366614 51597326807 54294014996 56590616498 59023244809 64735171726 67473427363 69030646178 75711031292 78913558646 82305770443 86550354644 90270845002 98941511708 99006733228 103194653614 107630622887 113181232996 118046489618 129470343452 134946854726 138061292356 157827117292 164611540886 176455548737 180541690004 206389307228 215261245774 236092979236 269893709452 321771882991 329223081772 352911097474 367839007237 420778616219 430522491548 586760492513 643543765982 670765248491 705822194948 735678014474 767302182517 841557232438 877154555719 1003395161753 1069975015759 1173520985026 1287087531964 1341530496982 1399198097531 1471356028948 1534604365034 1683114464876 1754309111438 1829720589079 2006790323506 2139950031518 2347041970052 2683060993964 2798396195062 3069208730068 3508618222876 3659441178158 4013580647012 4279900063036 5470122010847 5596792390124 7318882356316 9974928372721 10940244021694 11403009224347 13044137102789 18189575267903 19949856745442 21880488043388 22806018448694 23786367658027 26088274205578 31105250014343 36379150535806 39899713490884 45612036897388 47572735316054 52176548411156 62210500028686 72758301071612 95145470632108 124421000057372 169573782336257 309222779554351 339147564672514 404368250186459 618445559108702 678295129345028 808736500372918 1236891118217404 1617473000745836 5256787252423967 10513574504847934 21027149009695868
• Sum of all divisors σ(n): 43841925845303040
• Sum of proper divisors (its aliquot sum) s(n): 22814776835607172
• 21027149009695868 is an abundant number, because the sum of its proper divisors (22814776835607172) is greater than itself. Its abundance is 1787627825911304

Bases of 21027149009695868

• Binary: 1001010101101000001010010100011010111001011010001111100₂
• Hexadecimal: 0x4AB414A35CB47C
• Base-36: 5R1I2WFH27W

Squares and roots of 21027149009695868

• 21027149009695868 squared (21027149009695868²) is 442140995475953922334673856273424
• 21027149009695868 cubed (21027149009695868³) is 9296964595168149771589061447305120721654091012032
• The square root of 21027149009695868 is 145007410.1889136837
• The cube root of 21027149009695868 is 276011.2585973731

Scales and comparisons

• 21,027,149,009,695,868 seconds is equal to 668,598,297 years, 13 weeks, 5 days, 19 hours, 31 minutes, 8 seconds.
• To count from 1 to 21,027,149,009,695,868 would take you about two billion, five million, seven hundred ninety-four thousand, eight hundred ninety-one 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 21027149009695868 cubic inches would be around 23000.9 feet tall.

Recreational maths with 21027149009695868

• 21027149009695868 backwards is 86859690094172012
• The number of decimal digits it has is: 17
• The sum of 21027149009695868's digits is 77
• More coming soon!