55661580

Names of 55661580

• Cardinal: 55661580 can be written as Fifty-five million, six hundred sixty-one thousand, five hundred eighty.

Scientific notation

• Scientific notation: 5.566158 × 10⁷

Factors of 55661580

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 904

Divisors of 55661580

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 243 260 270 324 351 390 405 468 486 540 585 702 780 810 881 972 1053 1170 1215 1404 1620 1755 1762 2106 2340 2430 2643 3159 3510 3524 4212 4405 4860 5265 5286 6318 7020 7929 8810 10530 10572 11453 12636 13215 15795 15858 17620 21060 22906 23787 26430 31590 31716 34359 39645 45812 47574 52860 57265 63180 68718 71361 79290 95148 103077 114530 118935 137436 142722 158580 171795 206154 214083 229060 237870 285444 309231 343590 356805 412308 428166 475740 515385 618462 687180 713610 856332 927693 1030770 1070415 1236924 1427220 1546155 1855386 2061540 2140830 2783079 3092310 3710772 4281660 4638465 5566158 6184620 9276930 11132316 13915395 18553860 27830790 55661580
• Sum of all divisors σ(n): 188776224
• Sum of proper divisors (its aliquot sum) s(n): 133114644
• 55661580 is an abundant number, because the sum of its proper divisors (133114644) is greater than itself. Its abundance is 77453064

Bases of 55661580

• Binary: 11010100010101010000001100₂
• Hexadecimal: 0x351540C
• Base-36: X50R0

Squares and roots of 55661580

• 55661580 squared (55661580²) is 3098211488096400
• 55661580 cubed (55661580³) is 172451346601596816312000
• The square root of 55661580 is 7460.6688708185
• The cube root of 55661580 is 381.8139953159

Scales and comparisons

• 55,661,580 seconds is equal to 1 year, 40 weeks, 5 hours, 33 minutes.
• To count from 1 to 55,661,580 would take you about two years!

  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 55661580 cubic inches would be around 31.8 feet tall.

Recreational maths with 55661580

• 55661580 backwards is 08516655
• 55661580 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55661580's digits is 36
• More coming soon!