6390776728

Names of 6390776728

• Cardinal: 6390776728 can be written as Six billion, three hundred ninety million, seven hundred seventy-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.390776728 × 10⁹

Factors of 6390776728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 490

Divisors of 6390776728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 31 56 62 103 124 206 217 248 347 412 434 694 721 824 868 1388 1442 1736 2429 2776 2884 3193 4858 5768 6386 9716 10609 10757 12772 19432 21218 21514 22351 25544 35741 42436 43028 44702 71482 74263 75299 84872 86056 89404 142964 148526 150598 178808 250187 285928 297052 301196 328879 500374 594104 602392 657758 1000748 1107971 1315516 2001496 2215942 2302153 2631032 3681323 4431884 4604306 7362646 7755797 8863768 9208612 14725292 15511594 18417224 25769261 29450584 31023188 51538522 62046376 103077044 114121013 206154088 228242026 456484052 798847091 912968104 1597694182 3195388364 6390776728
• Sum of all divisors σ(n): 14315996160
• Sum of proper divisors (its aliquot sum) s(n): 7925219432
• 6390776728 is an abundant number, because the sum of its proper divisors (7925219432) is greater than itself. Its abundance is 1534442704

Bases of 6390776728

• Binary: 101111100111010111000001110011000₂
• Hexadecimal: 0x17CEB8398
• Base-36: 2XOWIVS

Squares and roots of 6390776728

• 6390776728 squared (6390776728²) is 40842027187146385984
• 6390776728 cubed (6390776728³) is 261012276871958424275852580352
• The square root of 6390776728 is 79942.3337662843
• The cube root of 6390776728 is 1855.7432164007

Scales and comparisons

• 6,390,776,728 seconds is equal to 203 years, 10 weeks, 5 days, 7 hours, 45 minutes, 28 seconds.
• To count from 1 to 6,390,776,728 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 6390776728 cubic inches would be around 154.6 feet tall.

Recreational maths with 6390776728

• 6390776728 backwards is 8276770936
• The number of decimal digits it has is: 10
• The sum of 6390776728's digits is 55
• More coming soon!