6385642272

Names of 6385642272

• Cardinal: 6385642272 can be written as Six billion, three hundred eighty-five million, six hundred forty-two thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 6.385642272 × 10⁹

Factors of 6385642272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4535

Divisors of 6385642272

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 289 306 408 544 578 612 816 867 1156 1224 1632 1734 2312 2448 2601 3468 4513 4624 4896 4913 5202 6936 9026 9248 9826 10404 13539 13872 14739 18052 19652 20808 27078 27744 29478 36104 39304 40617 41616 44217 54156 58956 72208 76721 78608 81234 83232 88434 108312 117912 144416 153442 157216 162468 176868 216624 230163 235824 306884 324936 353736 433248 460326 471648 613768 649872 690489 707472 920652 1227536 1299744 1304257 1380978 1414944 1841304 2455072 2608514 2761956 3682608 3912771 5217028 5523912 7365216 7825542 10434056 11047824 11738313 15651084 20868112 22095648 22172369 23476626 31302168 41736224 44344738 46953252 62604336 66517107 88689476 93906504 125208672 133034214 177378952 187813008 199551321 266068428 354757904 375626016 399102642 532136856 709515808 798205284 1064273712 1596410568 2128547424 3192821136 6385642272
• Sum of all divisors σ(n): 19298162520
• Sum of proper divisors (its aliquot sum) s(n): 12912520248
• 6385642272 is an abundant number, because the sum of its proper divisors (12912520248) is greater than itself. Its abundance is 6526877976

Bases of 6385642272

• Binary: 101111100100111010010101100100000₂
• Hexadecimal: 0x17C9D2B20
• Base-36: 2XLUH40

Squares and roots of 6385642272

• 6385642272 squared (6385642272²) is 40776427225953321984
• 6385642272 cubed (6385642272³) is 260383677395179228359857307648
• The square root of 6385642272 is 79910.2138152565
• The cube root of 6385642272 is 1855.2461049567

Scales and comparisons

• 6,385,642,272 seconds is equal to 203 years, 2 weeks, 1 day, 21 hours, 31 minutes, 12 seconds.
• To count from 1 to 6,385,642,272 would take you about four hundred six 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 6385642272 cubic inches would be around 154.6 feet tall.

Recreational maths with 6385642272

• 6385642272 backwards is 2722465836
• The number of decimal digits it has is: 10
• The sum of 6385642272's digits is 45
• More coming soon!