13551990

Names of 13551990

• Cardinal: 13551990 can be written as Thirteen million, five hundred fifty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.355199 × 10⁷

Factors of 13551990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 497

Divisors of 13551990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 29 30 37 58 74 87 111 145 174 185 222 290 370 421 435 555 842 870 1073 1110 1263 2105 2146 2526 3219 4210 5365 6315 6438 10730 12209 12630 15577 16095 24418 31154 32190 36627 46731 61045 73254 77885 93462 122090 155770 183135 233655 366270 451733 467310 903466 1355199 2258665 2710398 4517330 6775995 13551990
• Sum of all divisors σ(n): 34637760
• Sum of proper divisors (its aliquot sum) s(n): 21085770
• 13551990 is an abundant number, because the sum of its proper divisors (21085770) is greater than itself. Its abundance is 7533780

Bases of 13551990

• Binary: 110011101100100101110110₂
• Hexadecimal: 0xCEC976
• Base-36: 82GS6

Squares and roots of 13551990

• 13551990 squared (13551990²) is 183656432960100
• 13551990 cubed (13551990³) is 2488910142910945599000
• The square root of 13551990 is 3681.3027585353
• The cube root of 13551990 is 238.4154291435

Scales and comparisons

• 13,551,990 seconds is equal to 22 weeks, 2 days, 20 hours, 26 minutes, 30 seconds.
• To count from 1 to 13,551,990 would take you about thirty-three 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 13551990 cubic inches would be around 19.9 feet tall.

Recreational maths with 13551990

• 13551990 backwards is 09915531
• The number of decimal digits it has is: 8
• The sum of 13551990's digits is 33
• More coming soon!