18055872

Names of 18055872

• Cardinal: 18055872 can be written as Eighteen million, fifty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8055872 × 10⁷

Factors of 18055872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 48

Divisors of 18055872

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 64 72 81 86 96 108 129 144 162 172 192 216 243 258 288 324 344 387 432 486 516 576 648 688 729 774 864 972 1032 1161 1296 1376 1458 1548 1728 1944 2064 2187 2322 2592 2752 2916 3096 3483 3888 4128 4374 4644 5184 5832 6192 6561 6966 7776 8256 8748 9288 10449 11664 12384 13122 13932 15552 17496 18576 20898 23328 24768 26244 27864 31347 34992 37152 41796 46656 52488 55728 62694 69984 74304 83592 94041 104976 111456 125388 139968 167184 188082 209952 222912 250776 282123 334368 376164 419904 501552 564246 668736 752328 1003104 1128492 1504656 2006208 2256984 3009312 4513968 6018624 9027936 18055872
• Sum of all divisors σ(n): 54991508
• Sum of proper divisors (its aliquot sum) s(n): 36935636
• 18055872 is an abundant number, because the sum of its proper divisors (36935636) is greater than itself. Its abundance is 18879764

Bases of 18055872

• Binary: 1000100111000001011000000₂
• Hexadecimal: 0x11382C0
• Base-36: AR000

Squares and roots of 18055872

• 18055872 squared (18055872²) is 326014513680384
• 18055872 cubed (18055872³) is 5886476329155262414848
• The square root of 18055872 is 4249.2201637479
• The cube root of 18055872 is 262.3450187205

Scales and comparisons

• 18,055,872 seconds is equal to 29 weeks, 5 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,055,872 would take you about forty-four weeks!

  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 18055872 cubic inches would be around 21.9 feet tall.

Recreational maths with 18055872

• 18055872 backwards is 27855081
• 18055872 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18055872's digits is 36
• More coming soon!