21164076186820

Names of 21164076186820

• Cardinal: 21164076186820 can be written as Twenty-one trillion, one hundred sixty-four billion, seventy-six million, one hundred eighty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.116407618682 × 10¹³

Factors of 21164076186820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 984

Divisors of 21164076186820

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 29 35 49 58 70 98 116 140 145 196 203 245 290 406 490 580 812 841 941 980 1015 1421 1682 1882 2030 2842 3364 3764 4060 4205 4705 5684 5887 6587 7105 8410 9410 11774 13174 14210 16820 18820 23548 24389 26348 27289 28420 29435 32935 41209 46109 48778 54578 58870 65870 82418 92218 97556 109156 117740 121945 131740 136445 164836 170723 184436 191023 206045 230545 243890 272890 341446 382046 412090 461090 487780 545780 682892 764092 791381 824180 853615 885481 922180 955115 1195061 1337161 1582762 1707230 1770962 1910230 2390122 2674322 3165524 3414460 3541924 3820460 3956905 4427405 4780244 5348644 5539667 5975305 6198367 6685805 7913810 8854810 11079334 11950610 12396734 13371610 15827620 17709620 22158668 22950049 23901220 24793468 25678949 26743220 27698335 30991835 38777669 43388569 45900098 51357898 55396670 61983670 77555338 86777138 91800196 102715796 110793340 114750245 123967340 128394745 155110676 160650343 173554276 179752643 193888345 216942845 229500490 256789490 321300686 359505286 387776690 433885690 459000980 513578980 642601372 719010572 744689521 775553380 803251715 867771380 898763215 1124552401 1258268501 1489379042 1606503430 1797526430 2249104802 2516537002 2978758084 3213006860 3595052860 3723447605 4498209604 5033074004 5212826647 5622762005 6291342505 7446895210 10425653294 11245524010 12582685010 14893790420 20851306588 21595996109 22491048020 25165370020 26064133235 36489786529 43191992218 52128266470 72979573058 86383984436 104256532940 107979980545 145959146116 151171972763 182448932645 215959961090 302343945526 364897865290 431919922180 604687891052 729795730580 755859863815 1058203809341 1511719727630 2116407618682 3023439455260 4232815237364 5291019046705 10582038093410 21164076186820
• Sum of all divisors σ(n): 53604161682120
• Sum of proper divisors (its aliquot sum) s(n): 32440085495300
• 21164076186820 is an abundant number, because the sum of its proper divisors (32440085495300) is greater than itself. Its abundance is 11276009308480

Bases of 21164076186820

• Binary: 100110011111110100101001111100011110011000100₂
• Hexadecimal: 0x133FA53E3CC4
• Base-36: 7I2N4IRPG

Squares and roots of 21164076186820

• 21164076186820 squared (21164076186820²) is 447918120841521391541712400
• 21164076186820 cubed (21164076186820³) is 9479773234947206021827584771565110568000
• The square root of 21164076186820 is 4600443.0424492813
• The cube root of 21164076186820 is 27660.9084166943

Scales and comparisons

• 21,164,076,186,820 seconds is equal to 672,952 years, 8 weeks, 1 day, 11 hours, 53 minutes, 40 seconds.
• To count from 1 to 21,164,076,186,820 would take you about one million, six hundred eighty-two thousand, three hundred eighty 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 21164076186820 cubic inches would be around 2305.1 feet tall.

Recreational maths with 21164076186820

• 21164076186820 backwards is 02868167046112
• The number of decimal digits it has is: 14
• The sum of 21164076186820's digits is 52
• More coming soon!