21147933993984

Names of 21147933993984

• Cardinal: 21147933993984 can be written as Twenty-one trillion, one hundred forty-seven billion, nine hundred thirty-three million, nine hundred ninety-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1147933993984 × 10¹³

Factors of 21147933993984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 894

Divisors of 21147933993984

• Number of divisors d(n): 660
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 53 54 56 63 64 72 81 84 96 106 108 112 126 128 144 159 162 168 189 192 212 216 224 252 256 288 318 324 336 371 378 384 424 432 448 477 504 512 567 576 636 648 672 742 756 768 829 848 864 896 954 1008 1024 1113 1134 1152 1272 1296 1344 1431 1484 1512 1536 1658 1696 1728 1792 1908 2016 2226 2268 2304 2487 2544 2592 2688 2862 2968 3024 3072 3316 3339 3392 3456 3584 3816 4032 4293 4452 4536 4608 4974 5088 5184 5376 5724 5803 5936 6048 6632 6678 6784 6912 7168 7461 7632 8064 8586 8904 9072 9216 9948 10017 10176 10368 10752 11448 11606 11872 12096 13264 13356 13568 13824 14922 15264 16128 17172 17409 17808 18144 19896 20034 20352 20736 21504 22383 22896 23212 23744 24192 26528 26712 27136 27648 29844 30051 30528 32256 34344 34818 35616 36288 39792 40068 40704 41472 43937 44766 45792 46424 47488 48384 52227 53056 53424 54272 59688 60102 61056 64512 67149 68688 69636 71232 72576 79584 80136 81408 82944 87874 89532 91584 92848 94976 96768 104454 106112 106848 119376 120204 122112 131811 134298 137376 139272 142464 145152 156681 159168 160272 162816 175748 179064 183168 185696 189952 193536 208908 212224 213696 238752 240408 244224 263622 268596 274752 278544 284928 290304 307559 313362 318336 320544 351496 358128 366336 371392 379904 395433 417816 424448 427392 470043 477504 480816 488448 527244 537192 549504 557088 569856 580608 615118 626724 636672 641088 687241 702992 716256 732672 742784 790866 835632 848896 854784 922677 940086 955008 961632 1054488 1074384 1099008 1114176 1139712 1186299 1230236 1253448 1273344 1282176 1374482 1405984 1432512 1465344 1485568 1581732 1671264 1709568 1845354 1880172 1910016 1923264 2061723 2108976 2148768 2198016 2228352 2372598 2460472 2506896 2546688 2564352 2748964 2768031 2811968 2865024 2971136 3163464 3342528 3419136 3558897 3690708 3760344 3820032 3846528 4123446 4217952 4297536 4396032 4456704 4745196 4810687 4920944 5013792 5128704 5497928 5536062 5623936 5730048 5942272 6185169 6326928 6685056 7117794 7381416 7520688 7640064 7693056 8246892 8304093 8435904 8595072 8913408 9490392 9621374 9841888 10027584 10257408 10995856 11072124 11247872 11460096 12370338 12653856 13370112 14235588 14432061 14762832 15041376 15386112 16493784 16608186 16871808 17190144 17826816 18555507 18980784 19242748 19683776 20055168 21991712 22144248 22495744 22920192 24740676 24912279 25307712 26740224 28471176 28864122 29525664 30082752 30772224 32987568 33216372 33743616 34380288 36423773 37111014 37961568 38485496 39367552 40110336 43296183 43983424 44288496 44991488 49481352 49824558 50615424 53480448 55666521 56942352 57728244 59051328 60165504 65975136 66432744 67487232 68760576 72847546 74222028 75923136 76970992 78735104 80220672 86592366 87966848 88576992 98962704 99649116 101230848 109271319 111333042 113884704 115456488 118102656 120331008 129888549 131950272 132865488 134974464 145695092 148444056 151846272 153941984 157470208 160441344 173184732 175933696 177153984 197925408 199298232 202461696 218542638 222666084 227769408 230912976 236205312 240662016 254966411 259777098 263900544 265730976 291390184 296888112 303692544 307883968 314940416 327813957 346369464 351867392 354307968 389665647 395850816 398596464 404923392 437085276 445332168 455538816 461825952 472410624 481324032 509932822 519554196 527801088 531461952 582780368 593776224 607385088 615767936 655627914 692738928 703734784 708615936 764899233 779331294 791701632 797192928 874170552 890664336 911077632 923651904 944821248 983441871 1019865644 1039108392 1055602176 1062923904 1165560736 1187552448 1214770176 1231535872 1311255828 1385477856 1417231872 1529798466 1558662588 1583403264 1594385856 1748341104 1781328672 1822155264 1847303808 1966883742 2039731288 2078216784 2111204352 2125847808 2294697699 2331121472 2375104896 2463071744 2622511656 2770955712 2834463744 2950325613 3059596932 3117325176 3166806528 3188771712 3496682208 3562657344 3644310528 3694607616 3933767484 4079462576 4156433568 4251695616 4589395398 4662242944 4750209792 4926143488 5245023312 5541911424 5900651226 6119193864 6234650352 6333613056 6377543424 6884093097 6993364416 7125314688 7389215232 7867534968 8158925152 8312867136 8503391232 9178790796 9324485888 9500419584 10490046624 11083822848 11801302452 12238387728 12469300704 12755086848 13768186194 13986728832 14250629376 14778430464 15735069936 16317850304 16625734272 18357581592 18648971776 19000839168 20652279291 20980093248 22167645696 23602604904 24476775456 24938601408 25510173696 27536372388 27973457664 28501258752 31470139872 32635700608 33251468544 36715163184 37297943552 41304558582 41960186496 44335291392 47205209808 48953550912 49877202816 55072744776 55946915328 57002517504 62940279744 65271401216 66502937088 73430326368 82609117164 83920372992 94410419616 97907101824 99754405632 110145489552 111893830656 125880559488 130542802432 133005874176 146860652736 165218234328 167840745984 188820839232 195814203648 199508811264 220290979104 251761118976 261085604864 293721305472 330436468656 335681491968 377641678464 391628407296 399017622528 440581958208 503522237952 587442610944 660872937312 755283356928 783256814592 881163916416 1007044475904 1174885221888 1321745874624 1510566713856 1762327832832 2349770443776 2643491749248 3021133427712 3524655665664 5286983498496 7049311331328 10573966996992 21147933993984
• Sum of all divisors σ(n): 73624136447664
• Sum of proper divisors (its aliquot sum) s(n): 52476202453680
• 21147933993984 is an abundant number, because the sum of its proper divisors (52476202453680) is greater than itself. Its abundance is 31328268459696

Bases of 21147933993984

• Binary: 100110011101111100011000101111110110000000000₂
• Hexadecimal: 0x133BE317EC00
• Base-36: 7HV85VK00

Squares and roots of 21147933993984

• 21147933993984 squared (21147933993984²) is 447235112213904058148192256
• 21147933993984 cubed (21147933993984³) is 9458098632891670468971285235379579387904
• The square root of 21147933993984 is 4598688.2905872191
• The cube root of 21147933993984 is 27653.8741497367

Scales and comparisons

• 21,147,933,993,984 seconds is equal to 672,438 years, 46 weeks, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,147,933,993,984 would take you about one million, six hundred eighty-one thousand and ninety-seven 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 21147933993984 cubic inches would be around 2304.5 feet tall.

Recreational maths with 21147933993984

• 21147933993984 backwards is 48939933974112
• 21147933993984 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21147933993984's digits is 72
• More coming soon!