21006928800

Names of 21006928800

• Cardinal: 21006928800 can be written as Twenty-one billion, six million, nine hundred twenty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10069288 × 10¹⁰

Factors of 21006928800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2301

Divisors of 21006928800

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 25 26 27 30 32 33 36 39 40 44 45 48 50 52 54 55 60 65 66 72 75 78 80 81 88 90 96 99 100 104 108 110 117 120 130 132 135 143 144 150 156 160 162 165 176 180 195 198 200 208 216 220 225 234 240 260 264 270 275 286 288 297 300 312 324 325 330 351 352 360 390 396 400 405 416 429 432 440 450 468 480 495 520 528 540 550 572 585 594 600 624 648 650 660 675 702 715 720 780 792 800 810 825 858 864 880 891 900 936 975 990 1040 1053 1056 1080 1100 1144 1170 1188 1200 1248 1287 1296 1300 1320 1350 1404 1430 1440 1485 1560 1584 1620 1650 1716 1755 1760 1782 1800 1872 1950 1980 2025 2080 2106 2145 2160 2200 2267 2288 2340 2376 2400 2475 2574 2592 2600 2640 2700 2808 2860 2925 2970 3120 3168 3240 3300 3432 3510 3564 3575 3600 3744 3861 3900 3960 4050 4212 4290 4320 4400 4455 4534 4576 4680 4752 4950 5148 5200 5265 5280 5400 5616 5720 5850 5940 6240 6435 6480 6600 6801 6864 7020 7128 7150 7200 7425 7722 7800 7920 8100 8424 8580 8775 8800 8910 9068 9360 9504 9900 10296 10400 10530 10725 10800 11232 11335 11440 11583 11700 11880 12870 12960 13200 13602 13728 14040 14256 14300 14850 15444 15600 15840 16200 16848 17160 17550 17820 18136 18720 19305 19800 20403 20592 21060 21450 21600 22275 22670 22880 23166 23400 23760 24937 25740 26325 26400 27204 28080 28512 28600 29471 29700 30888 31200 32175 32400 33696 34005 34320 35100 35640 36272 38610 39600 40806 41184 42120 42900 44550 45340 46332 46800 47520 49874 51480 52650 54408 56160 56675 57200 57915 58942 59400 61209 61776 64350 64800 68010 68640 70200 71280 72544 74811 77220 79200 81612 84240 85800 88413 89100 90680 92664 93600 96525 99748 102015 102960 105300 108816 113350 114400 115830 117884 118800 122418 123552 124685 128700 136020 140400 142560 147355 149622 154440 163224 168480 170025 171600 176826 178200 181360 183627 185328 193050 199496 204030 205920 210600 217632 224433 226700 231660 235768 237600 244836 249370 257400 265239 272040 280800 289575 294710 299244 306045 308880 324181 326448 340050 343200 353652 356400 362720 367254 370656 374055 386100 398992 408060 421200 442065 448866 453400 463320 471536 489672 498740 510075 514800 530478 544080 579150 589420 598488 612090 617760 623425 648362 652896 673299 680100 707304 712800 734508 736775 748110 772200 795717 797984 816120 842400 884130 897732 906800 918135 926640 943072 972543 979344 997480 1020150 1029600 1060956 1088160 1122165 1158300 1178840 1196976 1224180 1246850 1296724 1326195 1346598 1360200 1414608 1469016 1473550 1496220 1530225 1544400 1591434 1620905 1632240 1768260 1795464 1813600 1836270 1853280 1870275 1945086 1958688 1994960 2019897 2040300 2121912 2210325 2244330 2316600 2357680 2387151 2393952 2448360 2493700 2593448 2652390 2693196 2720400 2829216 2917629 2938032 2947100 2992440 3060450 3088800 3182868 3241810 3264480 3366495 3536520 3590928 3672540 3740550 3890172 3978585 3989920 4039794 4080600 4243824 4420650 4488660 4590675 4633200 4715360 4774302 4862715 4896720 4987400 5186896 5304780 5386392 5440800 5610825 5835258 5876064 5894200 5984880 6120900 6365736 6483620 6630975 6732990 7073040 7181856 7345080 7481100 7780344 7957170 8079588 8104525 8161200 8487648 8752887 8841300 8977320 9181350 9266400 9548604 9725430 9793440 9974800 10099485 10373792 10609560 10772784 11221650 11670516 11788400 11935755 11969760 12241800 12731472 12967240 13261950 13465980 14146080 14588145 14690160 14962200 15560688 15914340 16159176 16209050 16322400 16832475 17505774 17682600 17954640 18362700 19097208 19450860 19892925 19949600 20198970 21219120 21545568 22443300 23341032 23576800 23871510 24313575 24483600 25462944 25934480 26258661 26523900 26931960 29176290 29380320 29924400 31121376 31828680 32318352 32418100 33664950 35011548 35365200 35909280 36725400 38194416 38901720 39785850 40397940 42438240 43764435 44886600 46682064 47743020 48627150 48967200 50497425 51868960 52517322 53047800 53863920 58352580 59678775 59848800 63657360 64636704 64836200 67329900 70023096 70730400 72940725 73450800 76388832 77803440 79571700 80795880 87528870 89773200 93364128 95486040 97254300 100994850 105034644 106095600 107727840 116705160 119357550 127314720 129672400 131293305 134659800 140046192 145881450 146901600 155606880 159143400 161591760 175057740 179546400 190972080 194508600 201989700 210069288 212191200 218822175 233410320 238715100 259344800 262586610 269319600 280092384 291762900 318286800 323183520 350115480 381944160 389017200 403979400 420138576 437644350 466820640 477430200 525173220 538639200 583525800 636573600 656466525 700230960 778034400 807958800 840277152 875288700 954860400 1050346440 1167051600 1312933050 1400461920 1615917600 1750577400 1909720800 2100692880 2334103200 2625866100 3501154800 4201385760 5251732200 7002309600 10503464400 21006928800
• Sum of all divisors σ(n): 90040924512
• Sum of proper divisors (its aliquot sum) s(n): 69033995712
• 21006928800 is an abundant number, because the sum of its proper divisors (69033995712) is greater than itself. Its abundance is 48027066912

Bases of 21006928800

• Binary: 10011100100000111000100101110100000₂
• Hexadecimal: 0x4E41C4BA0
• Base-36: 9NEZE00

Squares and roots of 21006928800

• 21006928800 squared (21006928800²) is 441291057608269440000
• 21006928800 cubed (21006928800³) is 9270169827253614417295872000000
• The square root of 21006928800 is 144937.6721215019
• The cube root of 21006928800 is 2759.2275721243

Scales and comparisons

• 21,006,928,800 seconds is equal to 667 years, 49 weeks, 4 days, 18 hours.
• To count from 1 to 21,006,928,800 would take you about one thousand, three 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 21006928800 cubic inches would be around 229.9 feet tall.

Recreational maths with 21006928800

• 21006928800 backwards is 00882960012
• 21006928800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21006928800's digits is 36
• More coming soon!