7638042825

Names of 7638042825

• Cardinal: 7638042825 can be written as Seven billion, six hundred thirty-eight million, forty-two thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 7.638042825 × 10⁹

Factors of 7638042825

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2866

Divisors of 7638042825

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 135 147 175 189 225 243 245 315 405 441 525 567 675 729 735 945 1215 1225 1323 1575 1701 2025 2187 2205 2835 2851 3645 3675 3969 4725 5103 6075 6615 8505 8553 10935 11025 11907 14175 14255 15309 18225 19845 19957 25515 25659 33075 35721 42525 42765 54675 59535 59871 71275 76545 76977 99225 99785 107163 127575 128295 139699 178605 179613 213825 230931 297675 299355 382725 384885 419097 498925 535815 538839 641475 692793 698495 893025 898065 1154655 1257291 1496775 1616517 1924425 2078379 2095485 2679075 2694195 3463965 3492475 3771873 4490325 4849551 5773275 6235137 6286455 8082585 10391895 10477425 11315619 13470975 14548653 17319825 18859365 24247755 31175685 31432275 33946857 40412925 43645959 51959475 56578095 72743265 94296825 101840571 121238775 155878425 169734285 218229795 282890475 305521713 363716325 509202855 848671425 1091148975 1527608565 2546014275 7638042825
• Sum of all divisors σ(n): 16529507520
• Sum of proper divisors (its aliquot sum) s(n): 8891464695
• 7638042825 is an abundant number, because the sum of its proper divisors (8891464695) is greater than itself. Its abundance is 1253421870

Bases of 7638042825

• Binary: 111000111010000110100100011001001₂
• Hexadecimal: 0x1C74348C9
• Base-36: 3IBHRK9

Squares and roots of 7638042825

• 7638042825 squared (7638042825²) is 58339698196533980625
• 7638042825 cubed (7638042825³) is 445601113222701810581470265625
• The square root of 7638042825 is 87395.8970718877
• The cube root of 7638042825 is 1969.3702045999

Scales and comparisons

• 7,638,042,825 seconds is equal to 242 years, 45 weeks, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 7,638,042,825 would take you about four hundred eighty-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 7638042825 cubic inches would be around 164.1 feet tall.

Recreational maths with 7638042825

• 7638042825 backwards is 5282408367
• 7638042825 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 7638042825's digits is 45
• More coming soon!