21149317266

Names of 21149317266

• Cardinal: 21149317266 can be written as Twenty-one billion, one hundred forty-nine million, three hundred seventeen thousand, two hundred sixty-six.

Scientific notation

• Scientific notation: 2.1149317266 × 10¹⁰

Factors of 21149317266

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 646

Divisors of 21149317266

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 53 66 77 106 121 154 159 231 233 242 318 337 363 371 462 466 583 674 699 726 742 847 1011 1113 1166 1398 1631 1694 1749 2022 2226 2359 2541 2563 3262 3498 3707 4081 4718 4893 5082 5126 6413 7077 7414 7689 8162 9786 11121 12243 12349 12826 14154 15378 17861 17941 19239 22242 24486 24698 25949 28193 35722 35882 37047 38478 40777 44891 51898 53583 53823 56386 74094 77847 78521 81554 84579 86443 89782 107166 107646 122331 125027 134673 135839 155694 157042 169158 172886 196471 197351 235563 244662 250054 259329 269346 271678 285439 375081 392942 394702 407517 471126 518658 549647 570878 589413 592053 750162 815034 856317 863731 950873 1099294 1178826 1184106 1375297 1494229 1648941 1712634 1727462 1901746 2161181 2591193 2750594 2852619 2988458 3297882 4125891 4161613 4322362 4482687 5182386 5705238 6046117 6483543 8251782 8323226 8965374 9501041 10459603 12092234 12484839 12967086 15128267 18138351 19002082 20919206 24969678 28503123 29131291 30256534 31378809 36276702 45384801 45777743 57006246 58262582 62757618 66507287 87393873 90769602 91555486 133014574 137333229 174787746 199521861 274666458 320444201 399043722 503555173 640888402 961332603 1007110346 1510665519 1922665206 3021331038 3524886211 7049772422 10574658633 21149317266
• Sum of all divisors σ(n): 54531719424
• Sum of proper divisors (its aliquot sum) s(n): 33382402158
• 21149317266 is an abundant number, because the sum of its proper divisors (33382402158) is greater than itself. Its abundance is 12233084892

Bases of 21149317266

• Binary: 10011101100100110001111100010010010₂
• Hexadecimal: 0x4EC98F892
• Base-36: 9PRR9N6

Squares and roots of 21149317266

• 21149317266 squared (21149317266²) is 447293620817925714756
• 21149317266 cubed (21149317266³) is 9459954697736213361394461777096
• The square root of 21149317266 is 145428.0484157029
• The cube root of 21149317266 is 2765.4477076973

Scales and comparisons

• 21,149,317,266 seconds is equal to 672 years, 25 weeks, 18 hours, 21 minutes, 6 seconds.
• To count from 1 to 21,149,317,266 would take you about one thousand, three hundred forty-four 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 21149317266 cubic inches would be around 230.5 feet tall.

Recreational maths with 21149317266

• 21149317266 backwards is 66271394112
• 21149317266 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21149317266's digits is 42
• More coming soon!