6687808992

Names of 6687808992

• Cardinal: 6687808992 can be written as Six billion, six hundred eighty-seven million, eight hundred eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 6.687808992 × 10⁹

Factors of 6687808992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3902

Divisors of 6687808992

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 138 144 184 207 276 281 288 368 414 552 562 736 828 843 1104 1124 1656 1686 2208 2248 2529 3312 3372 3593 4496 5058 6463 6624 6744 7186 8992 10116 10779 12926 13488 14372 19389 20232 21558 25852 26976 28744 32337 38778 40464 43116 51704 57488 58167 64674 77556 80928 82639 86232 103408 114976 116334 129348 155112 165278 172464 206816 232668 247917 258696 310224 330556 344928 465336 495834 517392 620448 661112 743751 930672 991668 1009633 1034784 1322224 1487502 1861344 1983336 2019266 2644448 2975004 3028899 3966672 4038532 5950008 6057798 7933344 8077064 9086697 11900016 12115596 16154128 18173394 23221559 23800032 24231192 32308256 36346788 46443118 48462384 69664677 72693576 92886236 96924768 139329354 145387152 185772472 208994031 278658708 290774304 371544944 417988062 557317416 743089888 835976124 1114634832 1671952248 2229269664 3343904496 6687808992
• Sum of all divisors σ(n): 19921513248
• Sum of proper divisors (its aliquot sum) s(n): 13233704256
• 6687808992 is an abundant number, because the sum of its proper divisors (13233704256) is greater than itself. Its abundance is 6545895264

Bases of 6687808992

• Binary: 110001110100111111101110111100000₂
• Hexadecimal: 0x18E9FDDE0
• Base-36: 32LQYG0

Squares and roots of 6687808992

• 6687808992 squared (6687808992²) is 44726789113476056064
• 6687808992 cubed (6687808992³) is 299124222416392876121515327488
• The square root of 6687808992 is 81779.0253793721
• The cube root of 6687808992 is 1884.0595272413

Scales and comparisons

• 6,687,808,992 seconds is equal to 212 years, 33 weeks, 6 days, 4 hours, 43 minutes, 12 seconds.
• To count from 1 to 6,687,808,992 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 6687808992 cubic inches would be around 157 feet tall.

Recreational maths with 6687808992

• 6687808992 backwards is 2998087866
• The number of decimal digits it has is: 10
• The sum of 6687808992's digits is 63
• More coming soon!