21379289831424

Names of 21379289831424

• Cardinal: 21379289831424 can be written as Twenty-one trillion, three hundred seventy-nine billion, two hundred eighty-nine million, eight hundred thirty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1379289831424 × 10¹³

Factors of 21379289831424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 65

Divisors of 21379289831424

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 53 54 56 63 64 72 84 96 98 106 108 112 126 128 144 147 159 168 189 192 196 212 216 224 252 256 288 294 318 336 371 378 384 392 424 432 441 448 477 504 512 576 588 636 672 742 756 768 784 848 864 882 896 954 1008 1024 1113 1152 1176 1272 1323 1344 1431 1484 1512 1536 1568 1696 1728 1764 1792 1908 2016 2048 2226 2304 2352 2544 2597 2646 2688 2809 2862 2968 3024 3072 3136 3339 3392 3456 3528 3584 3816 4032 4452 4608 4704 5088 5194 5292 5376 5618 5724 5936 6048 6144 6272 6678 6784 6912 7056 7168 7632 7791 8064 8427 8904 9216 9408 10017 10176 10388 10584 10752 11236 11448 11872 12096 12544 13356 13568 13824 14112 14336 15264 15582 16128 16854 17808 18432 18816 19663 20034 20352 20776 21168 21504 22472 22896 23373 23744 24192 25088 25281 26712 27136 27648 28224 30528 31164 32256 33708 35616 37632 39326 40068 40704 41552 42336 43008 44944 45792 46746 47488 48384 50176 50562 53424 54272 55296 56448 58989 61056 62328 64512 67416 70119 71232 75264 75843 78652 80136 81408 83104 84672 89888 91584 93492 94976 96768 100352 101124 106848 108544 112896 117978 122112 124656 129024 134832 137641 140238 142464 148877 150528 151686 157304 160272 162816 166208 169344 176967 179776 183168 186984 189952 193536 202248 213696 225792 235956 244224 249312 269664 275282 280476 284928 297754 301056 303372 314608 320544 325632 332416 338688 353934 359552 366336 373968 379904 387072 404496 412923 427392 446631 451584 471912 488448 498624 530901 539328 550564 560952 569856 595508 606744 629216 641088 664832 677376 707868 719104 732672 747936 759808 808992 825846 854784 893262 903168 943824 976896 997248 1042139 1061802 1078656 1101128 1121904 1139712 1191016 1213488 1238769 1258432 1282176 1329664 1339893 1354752 1415736 1438208 1465344 1495872 1617984 1651692 1709568 1786524 1887648 1994496 2084278 2123604 2157312 2202256 2243808 2279424 2382032 2426976 2477538 2516864 2564352 2659328 2679786 2709504 2831472 2876416 2930688 2991744 3126417 3235968 3303384 3419136 3573048 3716307 3775296 3988992 4019679 4168556 4247208 4314624 4404512 4487616 4764064 4853952 4955076 5033728 5128704 5318656 5359572 5662944 5752832 5983488 6252834 6471936 6606768 6838272 7146096 7294973 7432614 7550592 7890481 7977984 8039358 8337112 8494416 8629248 8809024 8975232 9379251 9528128 9707904 9910152 10067456 10257408 10719144 11325888 11966976 12505668 12943872 13213536 14292192 14589946 14865228 15101184 15780962 15955968 16078716 16674224 16988832 17258496 17618048 17950464 18758502 19056256 19415808 19820304 20134912 20514816 21438288 21884919 22651776 23671443 23933952 25011336 25887744 26427072 28137753 28584384 29179892 29730456 30202368 31561924 32157432 33348448 33977664 35236096 35900928 37517004 38112512 38831616 39640608 40269824 42876576 43769838 45303552 47342886 47867904 50022672 51775488 52854144 55233367 56275506 57168768 58359784 59460912 60404736 63123848 64314864 65654757 66696896 67955328 70472192 71014329 71801856 75034008 76225024 77663232 79281216 85753152 87539676 90607104 94685772 100045344 105708288 110466734 112551012 114337536 116719568 118921824 120809472 126247696 128629728 131309514 133393792 135910656 140944384 142028658 143603712 150068016 152450048 155326464 158562432 165700101 171506304 175079352 181214208 189371544 196964271 200090688 211416576 213042987 220933468 225102024 228675072 233439136 237843648 252495392 257259456 262619028 266787584 271821312 281888768 284057316 300136032 304900096 317124864 331400202 343012608 350158704 362428416 378743088 386633569 393928542 400181376 422833152 426085974 441866936 450204048 457350144 466878272 475687296 497100303 504990784 514518912 525238056 533575168 543642624 568114632 600272064 634249728 662800404 686025216 700317408 757486176 773267138 787857084 800362752 845666304 852171948 883733872 900408096 914700288 933756544 951374592 994200606 1009981568 1029037824 1050476112 1067150336 1087285248 1136229264 1159900707 1200544128 1268499456 1325600808 1372050432 1400634816 1491300909 1514972352 1546534276 1575714168 1600725504 1704343896 1767467744 1800816192 1867513088 1902749184 1988401212 2019963136 2058075648 2100952224 2134300672 2272458528 2319801414 2401088256 2536998912 2651201616 2744100864 2801269632 2982601818 3029944704 3093068552 3151428336 3201451008 3408687792 3479702121 3534935488 3601632384 3735026176 3805498368 3976802424 4039926272 4116151296 4201904448 4544917056 4639602828 4802176512 5302403232 5602539264 5965203636 6059889408 6186137104 6302856672 6402902016 6817375584 6959404242 7069870976 7203264768 7470052352 7610996736 7953604848 8079852544 8232302592 8403808896 9089834112 9279205656 9604353024 10439106363 10604806464 11205078528 11930407272 12119778816 12372274208 12605713344 13634751168 13918808484 14139741952 14406529536 14940104704 15907209696 16159705088 16807617792 18179668224 18558411312 19208706048 20878212726 21209612928 22410157056 23860814544 24239557632 24744548416 25211426688 27269502336 27837616968 28279483904 28813059072 31814419392 33615235584 36359336448 37116822624 41756425452 42419225856 44820314112 47721629088 48479115264 49489096832 50422853376 54539004672 55675233936 56558967808 57626118144 63628838784 67230471168 72718672896 74233645248 83512850904 84838451712 95443258176 98978193664 100845706752 109078009344 111350467872 113117935616 127257677568 134460942336 145437345792 148467290496 167025701808 169676903424 190886516352 197956387328 201691413504 218156018688 222700935744 254515355136 296934580992 334051403616 339353806848 381773032704 395912774656 403382827008 436312037376 445401871488 509030710272 593869161984 668102807232 763546065408 791825549312 890803742976 1018061420544 1187738323968 1336205614464 1527092130816 1781607485952 2375476647936 2672411228928 3054184261632 3563214971904 5344822457856 7126429943808 10689644915712 21379289831424
• Sum of all divisors σ(n): 75087000588600
• Sum of proper divisors (its aliquot sum) s(n): 53707710757176
• 21379289831424 is an abundant number, because the sum of its proper divisors (53707710757176) is greater than itself. Its abundance is 32328420925752

Bases of 21379289831424

• Binary: 100110111000111000000111110011101100000000000₂
• Hexadecimal: 0x1371C0F9D800
• Base-36: 7KTID62O0

Squares and roots of 21379289831424

• 21379289831424 squared (21379289831424²) is 457074033696029646337867776
• 21379289831424 cubed (21379289831424³) is 9771918240805477353312819503706641793024
• The square root of 21379289831424 is 4623774.4139851805
• The cube root of 21379289831424 is 27754.3519755917

Scales and comparisons

• 21,379,289,831,424 seconds is equal to 679,795 years, 14 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,379,289,831,424 would take you about one million, six hundred ninety-nine thousand, four hundred eighty-eight 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 21379289831424 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21379289831424

• 21379289831424 backwards is 42413898297312
• 21379289831424 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21379289831424's digits is 63
• More coming soon!