18220734

Names of 18220734

• Cardinal: 18220734 can be written as Eighteen million, two hundred twenty thousand, seven hundred thirty-four.

Scientific notation

• Scientific notation: 1.8220734 × 10⁷

Factors of 18220734

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 133

Divisors of 18220734

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 43 54 57 59 63 86 114 118 126 129 133 171 177 189 258 266 301 342 354 378 387 399 413 513 531 602 774 798 817 826 903 1026 1062 1121 1161 1197 1239 1593 1634 1806 2242 2322 2394 2451 2478 2537 2709 3186 3363 3591 3717 4902 5074 5418 5719 6726 7182 7353 7434 7611 7847 8127 10089 11151 11438 14706 15222 15694 16254 17157 17759 20178 22059 22302 22833 23541 30267 34314 35518 44118 45666 47082 48203 51471 53277 60534 68499 70623 96406 102942 106554 136998 141246 144609 154413 159831 211869 289218 308826 319662 337421 423738 433827 479493 674842 867654 958986 1012263 1301481 2024526 2602962 3036789 6073578 9110367 18220734
• Sum of all divisors σ(n): 50688000
• Sum of proper divisors (its aliquot sum) s(n): 32467266
• 18220734 is an abundant number, because the sum of its proper divisors (32467266) is greater than itself. Its abundance is 14246532

Bases of 18220734

• Binary: 1000101100000011010111110₂
• Hexadecimal: 0x11606BE
• Base-36: AUJ7I

Squares and roots of 18220734

• 18220734 squared (18220734²) is 331995147498756
• 18220734 cubed (18220734³) is 6049195271865598406904
• The square root of 18220734 is 4268.5751721153
• The cube root of 18220734 is 263.1410617347

Scales and comparisons

• 18,220,734 seconds is equal to 30 weeks, 21 hours, 18 minutes, 54 seconds.
• To count from 1 to 18,220,734 would take you about forty-five 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 18220734 cubic inches would be around 21.9 feet tall.

Recreational maths with 18220734

• 18220734 backwards is 43702281
• 18220734 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18220734's digits is 27
• More coming soon!