6689996145

Names of 6689996145

• Cardinal: 6689996145 can be written as Six billion, six hundred eighty-nine million, nine hundred ninety-six thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 6.689996145 × 10⁹

Factors of 6689996145

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1252

Divisors of 6689996145

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 35 45 51 63 81 85 105 119 127 135 153 189 255 315 357 381 405 459 567 595 635 765 889 945 1071 1093 1143 1377 1785 1905 2159 2295 2667 2835 3213 3279 3429 4445 5355 5465 5715 6477 6885 7651 8001 9639 9837 10287 10795 13335 15113 16065 16395 17145 18581 19431 22953 24003 29511 32385 38255 40005 45339 48195 49185 51435 55743 58293 68859 72009 75565 88533 92905 97155 114765 120015 130067 136017 138811 147555 167229 174879 206577 226695 278715 291465 344295 360045 390201 408051 416433 442665 501687 619731 650335 680085 694055 836145 874395 971677 1032885 1170603 1224153 1249299 1505061 1951005 2040255 2082165 2359787 2508435 2915031 3098655 3511809 3747897 4858385 5853015 6120765 6246495 7079361 7525305 8745093 10535427 11243691 11798935 14575155 16518509 17559045 18739485 21238083 26235279 35396805 43725465 49555527 52677135 56218455 63714249 78705837 82592545 106190415 131176395 148666581 191142747 247777635 318571245 393529185 445999743 743332905 955713735 1337999229 2229998715 6689996145
• Sum of all divisors σ(n): 14639505408
• Sum of proper divisors (its aliquot sum) s(n): 7949509263
• 6689996145 is an abundant number, because the sum of its proper divisors (7949509263) is greater than itself. Its abundance is 1259513118

Bases of 6689996145

• Binary: 110001110110000010011110101110001₂
• Hexadecimal: 0x18EC13D71
• Base-36: 32N1U29

Squares and roots of 6689996145

• 6689996145 squared (6689996145²) is 44756048420114861025
• 6689996145 cubed (6689996145³) is 299417791396001760714460748625
• The square root of 6689996145 is 81792.3966209573
• The cube root of 6689996145 is 1884.2648898309

Scales and comparisons

• 6,689,996,145 seconds is equal to 212 years, 37 weeks, 3 days, 12 hours, 15 minutes, 45 seconds.
• To count from 1 to 6,689,996,145 would take you about four hundred twenty-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 6689996145 cubic inches would be around 157 feet tall.

Recreational maths with 6689996145

• 6689996145 backwards is 5416999866
• 6689996145 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6689996145's digits is 63
• More coming soon!