6403931020

Names of 6403931020

• Cardinal: 6403931020 can be written as Six billion, four hundred three million, nine hundred thirty-one thousand and twenty.

Scientific notation

• Scientific notation: 6.40393102 × 10⁹

Factors of 6403931020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5078

Divisors of 6403931020

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 31 62 67 124 134 155 268 310 335 620 670 961 1340 1922 2077 3844 4154 4805 4973 8308 9610 9946 10385 19220 19892 20770 24865 41540 49730 64387 99460 128774 154163 257548 308326 321935 333191 616652 643870 666382 770815 1287740 1332764 1541630 1665955 3083260 3331910 4779053 6663820 9558106 10328921 19116212 20657842 23895265 41315684 47790530 51644605 95581060 103289210 206578420 320196551 640393102 1280786204 1600982755 3201965510 6403931020
• Sum of all divisors σ(n): 14106303792
• Sum of proper divisors (its aliquot sum) s(n): 7702372772
• 6403931020 is an abundant number, because the sum of its proper divisors (7702372772) is greater than itself. Its abundance is 1298441752

Bases of 6403931020

• Binary: 101111101101101000011101110001100₂
• Hexadecimal: 0x17DB43B8C
• Base-36: 2XWQGSS

Squares and roots of 6403931020

• 6403931020 squared (6403931020²) is 41010332508918240400
• 6403931020 cubed (6403931020³) is 262627340494375946341377208000
• The square root of 6403931020 is 80024.5651034731
• The cube root of 6403931020 is 1857.0155843633

Scales and comparisons

• 6,403,931,020 seconds is equal to 203 years, 32 weeks, 3 days, 13 hours, 43 minutes, 40 seconds.
• To count from 1 to 6,403,931,020 would take you about four hundred seven 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 6403931020 cubic inches would be around 154.8 feet tall.

Recreational maths with 6403931020

• 6403931020 backwards is 0201393046
• The number of decimal digits it has is: 10
• The sum of 6403931020's digits is 28
• More coming soon!