18085357120

Names of 18085357120

• Cardinal: 18085357120 can be written as Eighteen billion, eighty-five million, three hundred fifty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.808535712 × 10¹⁰

Factors of 18085357120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 44749

Divisors of 18085357120

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 1301 2602 5204 6505 10408 13010 20816 26020 41632 43441 52040 83264 86882 104080 173764 208160 217205 347528 416320 434410 695056 868820 1390112 1737640 2780224 3475280 6950560 13901120 56516741 113033482 226066964 282583705 452133928 565167410 904267856 1130334820 1808535712 2260669640 3617071424 4521339280 9042678560 18085357120
• Sum of all divisors σ(n): 43099850808
• Sum of proper divisors (its aliquot sum) s(n): 25014493688
• 18085357120 is an abundant number, because the sum of its proper divisors (25014493688) is greater than itself. Its abundance is 6929136568

Bases of 18085357120

• Binary: 10000110101111110001010011001000000₂
• Hexadecimal: 0x435F8A640
• Base-36: 8B3JYV4

Squares and roots of 18085357120

• 18085357120 squared (18085357120²) is 327080142157934694400
• 18085357120 cubed (18085357120³) is 5915361177786616389862064128000
• The square root of 18085357120 is 134481.8096249451
• The cube root of 18085357120 is 2624.8774362125

Scales and comparisons

• 18,085,357,120 seconds is equal to 575 years, 3 weeks, 6 hours, 18 minutes, 40 seconds.
• To count from 1 to 18,085,357,120 would take you about one thousand, one hundred fifty 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 18085357120 cubic inches would be around 218.7 feet tall.

Recreational maths with 18085357120

• 18085357120 backwards is 02175358081
• 18085357120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18085357120's digits is 40
• More coming soon!