21382631424

Names of 21382631424

• Cardinal: 21382631424 can be written as Twenty-one billion, three hundred eighty-two million, six hundred thirty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1382631424 × 10¹⁰

Factors of 21382631424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 54

Divisors of 21382631424

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 31 32 33 36 42 44 48 54 56 62 63 64 66 72 77 81 84 88 93 96 99 108 112 124 126 128 132 144 154 162 168 176 186 189 192 198 216 217 224 231 243 248 252 256 264 279 288 297 308 324 336 341 352 372 378 384 396 432 434 448 462 486 496 504 512 528 558 567 576 594 616 648 651 672 682 693 704 729 744 756 768 792 837 864 868 891 896 924 972 992 1008 1023 1024 1056 1116 1134 1152 1188 1232 1296 1302 1344 1364 1386 1408 1458 1488 1512 1536 1584 1674 1701 1728 1736 1782 1792 1848 1944 1953 1984 2016 2046 2048 2079 2112 2187 2232 2268 2304 2376 2387 2464 2511 2592 2604 2673 2688 2728 2772 2816 2916 2976 3024 3069 3072 3168 3348 3402 3456 3472 3564 3584 3696 3888 3906 3968 4032 4092 4096 4158 4224 4374 4464 4536 4608 4752 4774 4928 5022 5103 5184 5208 5346 5376 5456 5544 5632 5832 5859 5952 6048 6138 6144 6237 6336 6696 6804 6912 6944 7128 7161 7168 7392 7533 7776 7812 7936 8019 8064 8184 8316 8448 8748 8928 9072 9207 9216 9504 9548 9856 10044 10206 10368 10416 10692 10752 10912 11088 11264 11664 11718 11904 12096 12276 12288 12474 12672 13392 13608 13824 13888 14256 14322 14336 14784 15066 15309 15552 15624 15872 16038 16128 16368 16632 16896 17496 17577 17856 18144 18414 18432 18711 19008 19096 19712 20088 20412 20736 20832 21384 21483 21504 21824 22176 22528 22599 23328 23436 23808 24057 24192 24552 24948 25344 26784 27216 27621 27648 27776 28512 28644 28672 29568 30132 30618 31104 31248 31744 32076 32256 32736 33264 33792 34992 35154 35712 36288 36828 36864 37422 38016 38192 39424 40176 40824 41472 41664 42768 42966 43008 43648 44352 45056 45198 46656 46872 47616 48114 48384 49104 49896 50688 52731 53568 54432 55242 55296 55552 56133 57024 57288 59136 60264 61236 62208 62496 63488 64152 64449 64512 65472 66528 67584 67797 69984 70308 71424 72576 73656 74844 76032 76384 78848 80352 81648 82863 82944 83328 85536 85932 86016 87296 88704 90396 93312 93744 95232 96228 96768 98208 99792 101376 105462 107136 108864 110484 110592 111104 112266 114048 114576 118272 120528 122472 124416 124992 126976 128304 128898 129024 130944 133056 135168 135594 139968 140616 142848 145152 147312 149688 152064 152768 157696 158193 160704 163296 165726 165888 166656 168399 171072 171864 174592 177408 180792 186624 187488 190464 192456 193347 193536 196416 199584 202752 210924 214272 217728 220968 222208 224532 228096 229152 236544 241056 244944 248589 248832 249984 256608 257796 258048 261888 266112 271188 279936 281232 285696 290304 294624 299376 304128 305536 315392 316386 321408 326592 331452 331776 333312 336798 342144 343728 349184 354816 361584 373248 374976 380928 384912 386694 387072 392832 399168 405504 421848 428544 435456 441936 444416 449064 456192 458304 473088 474579 482112 489888 497178 497664 499968 513216 515592 523776 532224 542376 559872 562464 571392 580041 580608 589248 598752 608256 611072 632772 642816 653184 662904 666624 673596 684288 687456 698368 709632 723168 745767 746496 749952 769824 773388 774144 785664 798336 843696 857088 870912 883872 888832 898128 912384 916608 946176 949158 964224 979776 994356 995328 999936 1026432 1031184 1047552 1064448 1084752 1119744 1124928 1142784 1160082 1161216 1178496 1197504 1216512 1222144 1265544 1285632 1306368 1325808 1333248 1347192 1368576 1374912 1396736 1419264 1446336 1491534 1492992 1499904 1539648 1546776 1571328 1596672 1687392 1714176 1740123 1741824 1767744 1796256 1824768 1833216 1898316 1928448 1959552 1988712 1999872 2052864 2062368 2095104 2128896 2169504 2239488 2249856 2320164 2322432 2356992 2395008 2444288 2531088 2571264 2612736 2651616 2666496 2694384 2737152 2749824 2838528 2892672 2983068 2985984 2999808 3079296 3093552 3142656 3193344 3374784 3428352 3480246 3483648 3535488 3592512 3649536 3666432 3796632 3856896 3919104 3977424 3999744 4105728 4124736 4190208 4257792 4339008 4478976 4499712 4640328 4713984 4790016 4888576 5062176 5142528 5220369 5225472 5303232 5388768 5474304 5499648 5785344 5966136 5999616 6158592 6187104 6285312 6386688 6749568 6960492 6967296 7070976 7185024 7332864 7593264 7713792 7838208 7954848 7999488 8211456 8249472 8515584 8678016 8957952 8999424 9280656 9427968 9580032 9777152 10124352 10285056 10440738 10450944 10606464 10777536 10948608 10999296 11570688 11932272 11999232 12317184 12374208 12570624 12773376 13499136 13920984 14141952 14370048 14665728 15186528 15427584 15676416 15909696 16422912 16498944 17356032 17998848 18561312 18855936 19160064 20248704 20881476 20901888 21212928 21555072 21998592 23141376 23864544 23998464 24634368 24748416 25546752 26998272 27841968 28283904 28740096 29331456 30373056 30855168 31352832 31819392 32845824 32997888 34712064 35997696 37122624 37711872 38320128 40497408 41762952 42425856 43110144 43997184 46282752 47729088 49268736 49496832 53996544 55683936 56567808 57480192 60746112 62705664 63638784 65995776 69424128 71995392 74245248 76640256 80994816 83525904 84851712 86220288 87994368 92565504 95458176 98537472 98993664 107993088 111367872 113135616 114960384 121492224 127277568 131991552 138848256 148490496 161989632 167051808 169703424 172440576 190916352 197987328 215986176 222735744 229920768 242984448 254555136 263983104 277696512 296980992 323979264 334103616 339406848 344881152 381832704 395974656 445471488 485968896 509110272 593961984 647958528 668207232 689762304 763665408 791949312 890942976 971937792 1018220544 1187923968 1336414464 1527330816 1781885952 1943875584 2375847936 2672828928 3054661632 3563771904 5345657856 7127543808 10691315712 21382631424
• Sum of all divisors σ(n): 82533826560
• Sum of proper divisors (its aliquot sum) s(n): 61151195136
• 21382631424 is an abundant number, because the sum of its proper divisors (61151195136) is greater than itself. Its abundance is 39768563712

Bases of 21382631424

• Binary: 10011111010100000010001000000000000₂
• Hexadecimal: 0x4FA811000
• Base-36: 9TMO000

Squares and roots of 21382631424

• 21382631424 squared (21382631424²) is 457216926614632267776
• 21382631424 cubed (21382631424³) is 9776501022614737867151480193024
• The square root of 21382631424 is 146228.0117624527
• The cube root of 21382631424 is 2775.5797906141

Scales and comparisons

• 21,382,631,424 seconds is equal to 679 years, 46 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,382,631,424 would take you about one thousand, three hundred fifty-nine 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 21382631424 cubic inches would be around 231.3 feet tall.

Recreational maths with 21382631424

• 21382631424 backwards is 42413628312
• 21382631424 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21382631424's digits is 36
• More coming soon!