21429290264846256

Names of 21429290264846256

• Cardinal: 21429290264846256 can be written as Twenty-one quadrillion, four hundred twenty-nine trillion, two hundred ninety billion, two hundred sixty-four million, eight hundred forty-six thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 2.1429290264846256 × 10¹⁶

Factors of 21429290264846256

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4609210

Divisors of 21429290264846256

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 81 104 108 117 144 156 162 208 216 234 312 324 351 432 468 624 648 702 936 1053 1296 1404 1872 2106 2808 4212 5616 8424 16848 294809 589618 884427 1179236 1768854 2358472 2653281 3537708 3832517 4314383 4716944 5306562 7075416 7665034 7959843 8628766 10613124 11497551 12943149 14150832 15330068 15919686 17257532 21226248 22995102 23879529 25886298 30660136 31839372 34492653 34515064 38829447 42452496 45990204 47759058 51772596 56086979 61320272 63678744 68985306 69030128 77658894 91980408 95518116 103477959 103545192 112173958 116488341 127357488 137970612 155317788 168260937 183960816 191036232 206955918 207090384 224347916 232976682 275941224 310433877 310635576 336521874 349465023 382072464 413911836 448695832 465953364 504782811 551882448 620867754 621271152 673043748 698930046 827823672 897391664 931906728 1009565622 1241735508 1346087496 1397860092 1514348433 1655647344 1863813456 2019131244 2483471016 2692174992 2795720184 3028696866 4038262488 4543045299 4966942032 5591440368 6057393732 8076524976 9086090598 12114787464 18172181196 24229574928 36344362392 72688724784 1271918937847 2543837875694 3815756813541 5087675751388 7631513627082 10175351502776 11447270440623 15263027254164 16534946192011 20350703005552 22894540881246 30526054508328 33069892384022 34341811321869 45789081762492 49604838576033 61052109016656 66139784768044 68683622643738 91578163524984 99209677152066 103025433965607 132279569536088 137367245287476 148814515728099 183156327049968 198419354304132 206050867931214 264559139072176 274734490574952 297629031456198 396838708608264 412101735862428 446443547184297 549468981149904 595258062912396 793677417216528 824203471724856 892887094368594 1190516125824792 1339330641552891 1648406943449712 1785774188737188 2381032251649584 2678661283105782 3571548377474376 5357322566211564 7143096754948752 10714645132423128 21429290264846256
• Sum of all divisors σ(n): 66793793149258560
• Sum of proper divisors (its aliquot sum) s(n): 45364502884412304
• 21429290264846256 is an abundant number, because the sum of its proper divisors (45364502884412304) is greater than itself. Its abundance is 23935212619566048

Bases of 21429290264846256

• Binary: 1001100001000011101001101110010000001100101111110110000₂
• Hexadecimal: 0x4C21D372065FB0
• Base-36: 5V01S1JT700

Squares and roots of 21429290264846256

• 21429290264846256 squared (21429290264846256²) is 459214481255034520620019317217536
• 21429290264846256 cubed (21429290264846256³) is 9840640412634934763755447691223486842180747145216
• The square root of 21429290264846256 is 146387466.2149948409
• The cube root of 21429290264846256 is 277759.7179551805

Scales and comparisons

• 21,429,290,264,846,256 seconds is equal to 681,385,145 years, 14 weeks, 2 days, 3 hours, 57 minutes, 36 seconds.
• To count from 1 to 21,429,290,264,846,256 would take you about two billion, forty-four million, one hundred fifty-five thousand, four hundred thirty-five 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 21429290264846256 cubic inches would be around 23146.6 feet tall.

Recreational maths with 21429290264846256

• 21429290264846256 backwards is 65264846209292412
• 21429290264846256 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21429290264846256's digits is 72
• More coming soon!