18136944

Names of 18136944

• Cardinal: 18136944 can be written as Eighteen million, one hundred thirty-six thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8136944 × 10⁷

Factors of 18136944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 978

Divisors of 18136944

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 36 38 42 48 56 57 63 72 76 84 112 114 126 133 144 152 168 171 228 252 266 304 336 342 399 456 504 532 684 798 912 947 1008 1064 1197 1368 1596 1894 2128 2394 2736 2841 3192 3788 4788 5682 6384 6629 7576 8523 9576 11364 13258 15152 17046 17993 19152 19887 22728 26516 34092 35986 39774 45456 53032 53979 59661 68184 71972 79548 106064 107958 119322 125951 136368 143944 159096 161937 215916 238644 251902 287888 318192 323874 377853 431832 477288 503804 647748 755706 863664 954576 1007608 1133559 1295496 1511412 2015216 2267118 2590992 3022824 4534236 6045648 9068472 18136944
• Sum of all divisors σ(n): 61127040
• Sum of proper divisors (its aliquot sum) s(n): 42990096
• 18136944 is an abundant number, because the sum of its proper divisors (42990096) is greater than itself. Its abundance is 24853152

Bases of 18136944

• Binary: 1000101001011111101110000₂
• Hexadecimal: 0x114BF70
• Base-36: ASQK0

Squares and roots of 18136944

• 18136944 squared (18136944²) is 328948737659136
• 18136944 cubed (18136944³) is 5966124833794440720384
• The square root of 18136944 is 4258.7491121221
• The cube root of 18136944 is 262.7370810501

Scales and comparisons

• 18,136,944 seconds is equal to 29 weeks, 6 days, 22 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,136,944 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 18136944 cubic inches would be around 21.9 feet tall.

Recreational maths with 18136944

• 18136944 backwards is 44963181
• 18136944 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18136944's digits is 36
• More coming soon!