18252138912

Names of 18252138912

• Cardinal: 18252138912 can be written as Eighteen billion, two hundred fifty-two million, one hundred thirty-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.8252138912 × 10¹⁰

Factors of 18252138912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 445334

Divisors of 18252138912

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 84 96 112 122 168 183 224 244 336 366 427 488 672 732 854 976 1281 1464 1708 1952 2562 2928 3416 5124 5856 6832 10248 13664 20496 40992 445261 890522 1335783 1781044 2671566 3116827 3562088 5343132 6233654 7124176 9350481 10686264 12467308 14248352 18700962 21372528 24934616 27160921 37401924 42745056 49869232 54321842 74803848 81482763 99738464 108643684 149607696 162965526 190126447 217287368 299215392 325931052 380252894 434574736 570379341 651862104 760505788 869149472 1140758682 1303724208 1521011576 2281517364 2607448416 3042023152 4563034728 6084046304 9126069456 18252138912
• Sum of all divisors σ(n): 55654187904
• Sum of proper divisors (its aliquot sum) s(n): 37402048992
• 18252138912 is an abundant number, because the sum of its proper divisors (37402048992) is greater than itself. Its abundance is 19149910080

Bases of 18252138912

• Binary: 10000111111111010011000100110100000₂
• Hexadecimal: 0x43FE989A0
• Base-36: 8DUUOIO

Squares and roots of 18252138912

• 18252138912 squared (18252138912²) is 333140574862944543744
• 18252138912 cubed (18252138912³) is 6080528049621999173767948566528
• The square root of 18252138912 is 135100.4770976031
• The cube root of 18252138912 is 2632.9215660959

Scales and comparisons

• 18,252,138,912 seconds is equal to 580 years, 18 weeks, 5 days, 14 hours, 35 minutes, 12 seconds.
• To count from 1 to 18,252,138,912 would take you about one thousand, one hundred sixty 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 18252138912 cubic inches would be around 219.4 feet tall.

Recreational maths with 18252138912

• 18252138912 backwards is 21983125281
• 18252138912 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18252138912's digits is 42
• More coming soon!