21057971400

Names of 21057971400

• Cardinal: 21057971400 can be written as Twenty-one billion, fifty-seven million, nine hundred seventy-one thousand, four hundred.

Scientific notation

• Scientific notation: 2.10579714 × 10¹⁰

Factors of 21057971400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 418

Divisors of 21057971400

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 25 30 31 34 36 40 45 50 51 60 62 68 72 75 79 85 90 93 100 102 120 124 136 150 153 155 158 170 180 186 200 204 225 237 248 255 279 281 300 306 310 316 340 360 372 395 408 425 450 465 474 510 527 558 562 600 612 620 632 680 711 744 765 775 790 843 850 900 930 948 1020 1054 1116 1124 1185 1224 1240 1275 1343 1395 1405 1422 1530 1550 1580 1581 1686 1700 1800 1860 1896 1975 2040 2108 2232 2248 2325 2370 2449 2529 2550 2635 2686 2790 2810 2844 3060 3100 3160 3162 3372 3400 3555 3720 3825 3950 4029 4215 4216 4650 4740 4743 4777 4898 5058 5100 5270 5372 5580 5620 5688 5925 6120 6200 6324 6715 6744 6975 7025 7110 7347 7650 7900 7905 8058 8430 8711 9300 9480 9486 9554 9796 10116 10200 10540 10744 11160 11240 11850 12087 12245 12645 12648 13175 13430 13950 14050 14220 14331 14694 15300 15800 15810 16116 16860 17422 17775 18600 18972 19108 19592 20145 20232 21075 21080 22041 22199 23700 23715 23885 24174 24490 25290 26133 26350 26860 27900 28100 28440 28662 29388 30600 31620 32232 33575 33720 34844 35550 36735 37944 38216 39525 40290 41633 42150 42993 43555 44082 44398 47400 47430 47770 48348 48980 50580 52266 52700 53720 55800 56200 57324 58776 60435 61225 63225 63240 66597 67150 69688 71100 71655 73470 78399 79050 80580 83266 84300 85986 87110 88164 88796 94860 95540 96696 97960 100725 101160 104532 105400 110205 110995 114648 118575 119425 120870 122450 124899 126450 130665 133194 134300 142200 143310 146940 148087 156798 158100 161160 166532 168600 171972 174220 176328 177592 183675 189720 191080 199791 201450 208165 209064 214965 217775 220410 221990 237150 238850 241740 244900 249798 252900 261330 266388 268600 286620 293880 296174 302175 313596 316200 332985 333064 343944 348440 358275 367350 374697 377383 391995 399582 402900 416330 429930 435550 440820 443980 444261 474300 477700 483480 489800 499596 505800 522660 532776 551025 554975 573240 592348 604350 624495 627192 653325 665970 688169 716550 734700 740435 749394 754766 783990 799164 805800 832660 859860 871100 881640 887960 888522 948600 955400 998955 999192 1040825 1045320 1074825 1102050 1109950 1132149 1184696 1208700 1248990 1306650 1331940 1332783 1376338 1433100 1469400 1480870 1498788 1509532 1567980 1598328 1664925 1665320 1719720 1742200 1777044 1873485 1886915 1959975 1997910 2064507 2081650 2149650 2204100 2219900 2221305 2264298 2417400 2497980 2613300 2663880 2665566 2752676 2866200 2961740 2997576 3019064 3122475 3135960 3329850 3396447 3440845 3554088 3702175 3746970 3773830 3919950 3995820 4129014 4163300 4299300 4408200 4439800 4442610 4528596 4994775 4995960 5226600 5331132 5505352 5660745 5923480 6193521 6244950 6659700 6663915 6792894 6881690 7404350 7493940 7547660 7839900 7991640 8258028 8326600 8598600 8885220 9057192 9367425 9434575 9989550 10322535 10662264 11106525 11321490 11698873 12387042 12489900 13319400 13327830 13585788 13763380 14808700 14987880 15095320 15679800 16516056 16982235 17204225 17770440 18734850 18869150 19979100 20645070 22213050 22642980 23397746 24774084 24979800 26655660 27171576 27526760 28303725 29617400 30967605 33319575 33964470 34408450 35096619 37469700 37738300 39958200 41290140 44426100 45285960 46795492 49548168 51612675 53311320 56607450 58494365 61935210 66639150 67928940 68816900 70193238 74939400 75476600 82580280 84911175 88852200 93590984 103225350 105289857 113214900 116988730 123870420 133278300 135857880 137633800 140386476 154838025 169822350 175483095 206450700 210579714 226429800 233977460 247740840 266556600 280772952 292471825 309676050 339644700 350966190 412901400 421159428 467954920 526449285 584943650 619352100 679289400 701932380 842318856 877415475 1052898570 1169887300 1238704200 1403864760 1754830950 2105797140 2339774600 2632246425 3509661900 4211594280 5264492850 7019323800 10528985700 21057971400
• Sum of all divisors σ(n): 78552115200
• Sum of proper divisors (its aliquot sum) s(n): 57494143800
• 21057971400 is an abundant number, because the sum of its proper divisors (57494143800) is greater than itself. Its abundance is 36436172400

Bases of 21057971400

• Binary: 10011100111001001110010010011001000₂
• Hexadecimal: 0x4E72724C8
• Base-36: 9O9DEQ0

Squares and roots of 21057971400

• 21057971400 squared (21057971400²) is 443438159483217960000
• 21057971400 cubed (21057971400³) is 9337908080066242581646344000000
• The square root of 21057971400 is 145113.6499437597
• The cube root of 21057971400 is 2761.4605533613

Scales and comparisons

• 21,057,971,400 seconds is equal to 669 years, 30 weeks, 12 hours, 30 minutes.
• To count from 1 to 21,057,971,400 would take you about one thousand, three hundred thirty-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 21057971400 cubic inches would be around 230.1 feet tall.

Recreational maths with 21057971400

• 21057971400 backwards is 00417975012
• 21057971400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21057971400's digits is 36
• More coming soon!