21206188800

Names of 21206188800

• Cardinal: 21206188800 can be written as Twenty-one billion, two hundred six million, one hundred eighty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12061888 × 10¹⁰

Factors of 21206188800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2182

Divisors of 21206188800

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 27 30 32 36 38 40 45 48 50 54 57 60 64 72 75 76 80 81 90 95 96 100 108 114 120 128 135 144 150 152 160 162 171 180 190 192 200 216 225 228 240 256 270 285 288 300 304 320 324 342 360 380 384 400 405 432 450 456 475 480 513 540 570 576 600 608 640 648 675 684 720 760 768 800 810 855 864 900 912 950 960 1026 1080 1140 1152 1200 1216 1280 1296 1350 1368 1425 1440 1520 1539 1600 1620 1710 1728 1800 1824 1900 1920 2025 2052 2153 2160 2280 2304 2400 2432 2565 2592 2700 2736 2850 2880 3040 3078 3200 3240 3420 3456 3600 3648 3800 3840 4050 4104 4275 4306 4320 4560 4800 4864 5130 5184 5400 5472 5700 5760 6080 6156 6400 6459 6480 6840 6912 7200 7296 7600 7695 8100 8208 8550 8612 8640 9120 9600 10260 10368 10765 10800 10944 11400 11520 12160 12312 12825 12918 12960 13680 14400 14592 15200 15390 16200 16416 17100 17224 17280 18240 19200 19377 20520 20736 21530 21600 21888 22800 24320 24624 25650 25836 25920 27360 28800 30400 30780 32295 32400 32832 34200 34448 34560 36480 38475 38754 40907 41040 43060 43200 43776 45600 49248 51300 51672 51840 53825 54720 57600 58131 60800 61560 64590 64800 65664 68400 68896 72960 76950 77508 81814 82080 86120 86400 91200 96885 98496 102600 103344 103680 107650 109440 116262 121600 122721 123120 129180 129600 131328 136800 137792 153900 155016 161475 163628 164160 172240 172800 174393 182400 193770 196992 204535 205200 206688 215300 218880 232524 245442 246240 258360 259200 273600 275584 290655 307800 310032 322950 327256 328320 344480 348786 364800 368163 387540 393984 409070 410400 413376 430600 465048 484425 490884 492480 516720 518400 547200 551168 581310 613605 615600 620064 645900 654512 656640 688960 697572 736326 775080 818140 820800 826752 861200 871965 930096 968850 981768 984960 1022675 1033440 1094400 1104489 1162620 1227210 1231200 1240128 1291800 1309024 1377920 1395144 1453275 1472652 1550160 1636280 1641600 1653504 1722400 1743930 1840815 1860192 1937700 1963536 1969920 2045350 2066880 2208978 2325240 2454420 2462400 2480256 2583600 2618048 2755840 2790288 2906550 2945304 3068025 3100320 3272560 3283200 3313467 3444800 3487860 3681630 3720384 3875400 3927072 4090700 4133760 4359825 4417956 4650480 4908840 4924800 4960512 5167200 5236096 5522445 5580576 5813100 5890608 6136050 6200640 6545120 6626934 6889600 6975720 7363260 7440768 7750800 7854144 8181400 8267520 8719650 8835912 9204075 9300960 9817680 9849600 10334400 10472192 11044890 11161152 11626200 11781216 12272100 12401280 13090240 13253868 13779200 13951440 14726520 14881536 15501600 15708288 16362800 16567335 17439300 17671824 18408150 18601920 19635360 20668800 22089780 22322304 23252400 23562432 24544200 24802560 26180480 26507736 27612225 27902880 29453040 31003200 31416576 32725600 33134670 34878600 35343648 36816300 37203840 39270720 41337600 44179560 44644608 46504800 47124864 49088400 52360960 53015472 55224450 55805760 58906080 62006400 65451200 66269340 69757200 70687296 73632600 74407680 78541440 82836675 88359120 93009600 94249728 98176800 106030944 110448900 111611520 117812160 124012800 130902400 132538680 139514400 141374592 147265200 157082880 165673350 176718240 186019200 196353600 212061888 220897800 223223040 235624320 261804800 265077360 279028800 282749184 294530400 331346700 353436480 372038400 392707200 424123776 441795600 471248640 530154720 558057600 589060800 662693400 706872960 785414400 848247552 883591200 1060309440 1116115200 1178121600 1325386800 1413745920 1767182400 2120618880 2356243200 2650773600 3534364800 4241237760 5301547200 7068729600 10603094400 21206188800
• Sum of all divisors σ(n): 82574063880
• Sum of proper divisors (its aliquot sum) s(n): 61367875080
• 21206188800 is an abundant number, because the sum of its proper divisors (61367875080) is greater than itself. Its abundance is 40161686280

Bases of 21206188800

• Binary: 10011101111111111001100001100000000₂
• Hexadecimal: 0x4EFFCC300
• Base-36: 9QPM800

Squares and roots of 21206188800

• 21206188800 squared (21206188800²) is 449702443421245440000
• 21206188800 cubed (21206188800³) is 9536474919012248731779072000000
• The square root of 21206188800 is 145623.4486612647
• The cube root of 21206188800 is 2767.9242965475

Scales and comparisons

• 21,206,188,800 seconds is equal to 674 years, 15 weeks, 1 day.
• To count from 1 to 21,206,188,800 would take you about one thousand, three hundred forty-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 21206188800 cubic inches would be around 230.7 feet tall.

Recreational maths with 21206188800

• 21206188800 backwards is 00888160212
• 21206188800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21206188800's digits is 36
• More coming soon!