18980130

Names of 18980130

• Cardinal: 18980130 can be written as Eighteen million, nine hundred eighty thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.898013 × 10⁷

Factors of 18980130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1251

Divisors of 18980130

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 123 130 195 205 246 390 410 533 615 1066 1187 1230 1599 2374 2665 3198 3561 5330 5935 7122 7995 11870 15431 15990 17805 30862 35610 46293 48667 77155 92586 97334 146001 154310 231465 243335 292002 462930 486670 632671 730005 1265342 1460010 1898013 3163355 3796026 6326710 9490065 18980130
• Sum of all divisors σ(n): 50295168
• Sum of proper divisors (its aliquot sum) s(n): 31315038
• 18980130 is an abundant number, because the sum of its proper divisors (31315038) is greater than itself. Its abundance is 12334908

Bases of 18980130

• Binary: 1001000011001110100100010₂
• Hexadecimal: 0x1219D22
• Base-36: BAT5U

Squares and roots of 18980130

• 18980130 squared (18980130²) is 360245334816900
• 18980130 cubed (18980130³) is 6837503286718288197000
• The square root of 18980130 is 4356.6191020101
• The cube root of 18980130 is 266.7471128819

Scales and comparisons

• 18,980,130 seconds is equal to 31 weeks, 2 days, 16 hours, 15 minutes, 30 seconds.
• To count from 1 to 18,980,130 would take you about forty-seven 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 18980130 cubic inches would be around 22.2 feet tall.

Recreational maths with 18980130

• 18980130 backwards is 03108981
• 18980130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18980130's digits is 30
• More coming soon!