18148130

Names of 18148130

• Cardinal: 18148130 can be written as Eighteen million, one hundred forty-eight thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.814813 × 10⁷

Factors of 18148130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75

Divisors of 18148130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 26 35 37 49 55 65 70 74 77 91 98 110 130 143 154 182 185 245 259 286 343 370 385 407 455 481 490 518 539 637 686 715 770 814 910 962 1001 1078 1274 1295 1430 1715 1813 2002 2035 2405 2590 2695 2849 3185 3367 3430 3626 3773 4070 4459 4810 5005 5291 5390 5698 6370 6734 7007 7546 8918 9065 10010 10582 12691 14014 14245 16835 18130 18865 19943 22295 23569 25382 26455 28490 33670 35035 37037 37730 39886 44590 47138 49049 52910 63455 70070 74074 98098 99715 117845 126910 139601 164983 185185 199430 235690 245245 259259 279202 329966 370370 490490 518518 698005 824915 1296295 1396010 1649830 1814813 2592590 3629626 9074065 18148130
• Sum of all divisors σ(n): 45964800
• Sum of proper divisors (its aliquot sum) s(n): 27816670
• 18148130 is an abundant number, because the sum of its proper divisors (27816670) is greater than itself. Its abundance is 9668540

Bases of 18148130

• Binary: 1000101001110101100100010₂
• Hexadecimal: 0x114EB22
• Base-36: ASZ6Q

Squares and roots of 18148130

• 18148130 squared (18148130²) is 329354622496900
• 18148130 cubed (18148130³) is 5977170505174665797000
• The square root of 18148130 is 4260.0622061185
• The cube root of 18148130 is 262.7910845065

Scales and comparisons

• 18,148,130 seconds is equal to 30 weeks, 1 hour, 8 minutes, 50 seconds.
• To count from 1 to 18,148,130 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 18148130 cubic inches would be around 21.9 feet tall.

Recreational maths with 18148130

• 18148130 backwards is 03184181
• 18148130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18148130's digits is 26
• More coming soon!