55745820

Names of 55745820

• Cardinal: 55745820 can be written as Fifty-five million, seven hundred forty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 5.574582 × 10⁷

Factors of 55745820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2670

Divisors of 55745820

• Number of divisors d(n): 120
• 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 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 468 540 585 702 780 810 1053 1170 1404 1620 1755 2106 2340 2647 3510 4212 5265 5294 7020 7941 10530 10588 13235 15882 21060 23823 26470 31764 34411 39705 47646 52940 68822 71469 79410 95292 103233 119115 137644 142938 158820 172055 206466 214407 238230 285876 309699 344110 357345 412932 428814 476460 516165 619398 688220 714690 857628 929097 1032330 1072035 1238796 1429380 1548495 1858194 2064660 2144070 2787291 3096990 3716388 4288140 4645485 5574582 6193980 9290970 11149164 13936455 18581940 27872910 55745820
• Sum of all divisors σ(n): 188399904
• Sum of proper divisors (its aliquot sum) s(n): 132654084
• 55745820 is an abundant number, because the sum of its proper divisors (132654084) is greater than itself. Its abundance is 76908264

Bases of 55745820

• Binary: 11010100101001110100011100₂
• Hexadecimal: 0x3529D1C
• Base-36: X6TR0

Squares and roots of 55745820

• 55745820 squared (55745820²) is 3107596447472400
• 55745820 cubed (55745820³) is 173235512193435865368000
• The square root of 55745820 is 7466.3123427835
• The cube root of 55745820 is 382.0065146957

Scales and comparisons

• 55,745,820 seconds is equal to 1 year, 40 weeks, 1 day, 4 hours, 57 minutes.
• To count from 1 to 55,745,820 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 55745820 cubic inches would be around 31.8 feet tall.

Recreational maths with 55745820

• 55745820 backwards is 02854755
• 55745820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55745820's digits is 36
• More coming soon!