9138102138

Names of 9138102138

• Cardinal: 9138102138 can be written as Nine billion, one hundred thirty-eight million, one hundred two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.138102138 × 10⁹

Factors of 9138102138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1309

Divisors of 9138102138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 139 198 278 417 547 607 834 1094 1214 1251 1529 1641 1821 2502 3058 3282 3642 4587 4923 5463 6017 6677 9174 9846 10926 12034 13354 13761 18051 20031 27522 36102 40062 54153 60093 76033 84373 108306 120186 152066 168746 228099 253119 332029 456198 506238 664058 684297 759357 836363 928103 996087 1368594 1518714 1672726 1856206 1992174 2509089 2784309 2988261 3652319 5018178 5568618 5976522 7304638 7527267 8352927 10956957 15054534 16705854 21913914 32870871 46152031 65741742 92304062 138456093 276912186 415368279 507672341 830736558 1015344682 1523017023 3046034046 4569051069 9138102138
• Sum of all divisors σ(n): 21830215680
• Sum of proper divisors (its aliquot sum) s(n): 12692113542
• 9138102138 is an abundant number, because the sum of its proper divisors (12692113542) is greater than itself. Its abundance is 3554011404

Bases of 9138102138

• Binary: 1000100000101011000101111101111010₂
• Hexadecimal: 0x220AC5F7A
• Base-36: 474L8QI

Squares and roots of 9138102138

• 9138102138 squared (9138102138²) is 83504910684520171044
• 9138102138 cubed (9138102138³) is 763076402859712818521302092072
• The square root of 9138102138 is 95593.4209974723
• The cube root of 9138102138 is 2090.6692710955

Scales and comparisons

• 9,138,102,138 seconds is equal to 290 years, 29 weeks, 2 days, 1 hour, 42 minutes, 18 seconds.
• To count from 1 to 9,138,102,138 would take you about five hundred eighty-one 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 9138102138 cubic inches would be around 174.2 feet tall.

Recreational maths with 9138102138

• 9138102138 backwards is 8312018319
• The number of decimal digits it has is: 10
• The sum of 9138102138's digits is 36
• More coming soon!