55571985 is an odd 8-digits composite number following 55571984
and preceding 55571986 . In scientific notation, it is written as 5.5571985 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 25404192 positive integers (up to 55571985) that are relatively prime to 55571985.
55571985 has 16 divisors, whose sum is 93149760
The reverse of 55571985 is 58917555
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-five million five hundred seventy-one thousand nine hundred eighty-five
Scientific notation
5.5571985 × 10^7
Engineering notation
5.5571985 × 10^6
Prime Factorization
3 × 21 × 5 × 176419
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
55571985
Product of the distinct prime numbers
The prime factorization of 55571985 is 3 × 21 × 5 × 176419.
Since it has a total of 4 prime factors.
3 , 3 , 91 , 29 , 586 , 420 , 354 , 1921 , 99268 , 85828 , 935842 , 918527 , 2905180 , 2964842 , 39950394 , 63667734 , 50087340 , 470624364 , 5270409067 , 45485898
n×2
111143970
n×3
166715955
n×4
222287940
n×5
277859925
n÷2
27785992.5
n÷3
18523995
n÷3
13892996.25
n÷5
11114397
n2
3088245516840225
n3
1.7161993353816E+23
n4
9.5372603722837E+30
n5
5.3000449034965E+38
2 √n
7454.6619641671
3 √n
381.60902451529
4 √n
86.340384317926
5 √n
35.39738520217
1 , 3 , 5 , 15 , 21 , 63 , 105 , 315 , 176419 , 529257 , 882095 , 2646285 , 3704799 , 11114397 , 18523995 , 55571985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55571984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55571985 can be divided by 16 positive divisors.
The sum of these divisors (counting 55571985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11010011111111011000010001
3
Ternary
10212120100102200
4
Quaternary
3103333120101
5
Quinary
103211300420
6
Senary
5303033413
8
Octal
323773021
10
Decimal
55571985
12
Duodecimal
1673b869
16
Hexadecimal
34ff611
20
Vigesimal
h769j5
36
Base36
x33m9
md5
2ef0a554444a344cb794789e46a45b3b
sha1
33b795a47fd3e729a7e56ba99c8ec9215e1d3c3a
sha256
65afe6fc5cf92a1b95364399cd1128f5bcb608940468b9168e21e81eea683fb0
sha512
9bb94958f9d69aa38565e95d9600be50f963efeda4011a74ca4a0fdeb36318e9dd91b0db342b58bfe763e8a056805f559937a19cbc674b27ed499d042d5af28b
ripemd-160
8852efc3f2d7ab8e48a53718734984347e6d33f1
Diameter
111143970
Circumference
349169079.6428
Area
9.7020094281869E+15
Volume
7.1887989655075E+23
Surface area
3.8808037712747E+16
Circumference
349169079.6428
Perimeter
222287940
Area
3088245516840225
Diagonal
78590654.874994
Surface area
18529473101041350
Volume
1.7161993353816E+23
Space diagonal
96253501.497456
Perimeter
166715955
Area
1.3372495353535E+15
Altitude
48126750.748728
Surface area
1.3372495353535E+15
Volume
2.0225603131937E+22
Height
26196884.958331