4990187979

Names of 4990187979

• Cardinal: 4990187979 can be written as Four billion, nine hundred ninety million, one hundred eighty-seven thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 4.990187979 × 10⁹

Factors of 4990187979

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2861

Divisors of 4990187979

• Number of divisors d(n): 70
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 343 441 567 729 1029 1323 1701 2401 2851 3087 3969 5103 7203 8553 9261 11907 19957 21609 25659 27783 35721 59871 64827 76977 83349 139699 179613 194481 230931 250047 419097 538839 583443 692793 977893 1257291 1616517 1750329 2078379 2933679 3771873 4849551 6845251 8801037 11315619 14548653 20535753 26403111 33946857 61607259 79209333 101840571 184821777 237627999 554465331 712883997 1663395993 4990187979
• Sum of all divisors σ(n): 8731378036
• Sum of proper divisors (its aliquot sum) s(n): 3741190057
• 4990187979 is a deficient number, because the sum of its proper divisors (3741190057) is less than itself. Its deficiency is 1248997922

Bases of 4990187979

• Binary: 100101001011100000011100111001011₂
• Hexadecimal: 0x1297039CB
• Base-36: 2AJ11OR

Squares and roots of 4990187979

• 4990187979 squared (4990187979²) is 24901976065756104441
• 4990187979 cubed (4990187979³) is 124265541616681825927346714739
• The square root of 4990187979 is 70641.2625807325
• The cube root of 4990187979 is 1708.8566595327

Scales and comparisons

• 4,990,187,979 seconds is equal to 158 years, 34 weeks, 6 days, 19 hours, 19 minutes, 39 seconds.
• To count from 1 to 4,990,187,979 would take you about three hundred seventeen 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 4990187979 cubic inches would be around 142.4 feet tall.

Recreational maths with 4990187979

• 4990187979 backwards is 9797810994
• 4990187979 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4990187979's digits is 63
• More coming soon!