55686989 is an odd 8-digits composite number following 55686988
and preceding 55686990 . In scientific notation, it is written as 5.5686989 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 53642736 positive integers (up to 55686989) that are relatively prime to 55686989.
55686989 has 8 divisors, whose sum is 57740160
The reverse of 55686989 is 98968655
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
fifty-five million six hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
5.5686989 × 10^7
Engineering notation
5.5686989 × 10^6
Prime Factorization
29 × 487 × 3943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
55686989
Product of the distinct prime numbers
The prime factorization of 55686989 is 29 × 487 × 3943.
Since it has a total of 3 prime factors.
1 , 1 , 87 , 14 , 557 , 762 , 8612 , 4087 , 5101 , 5691 , 572372 , 89847 , 764268 , 8619754 , 24226631 , 90909334 , 39666149 , 748823596 , 7705260877 , 6421004796
n×2
111373978
n×3
167060967
n×4
222747956
n×5
278434945
n÷2
27843494.5
n÷3
18562329.666667
n÷3
13921747.25
n÷5
11137397.8
n2
3101040743886121
n3
1.7268762179334E+23
n4
9.6164536952418E+30
n5
5.3551135114594E+38
2 √n
7462.3715399329
3 √n
381.87208467161
4 √n
86.385019186968
5 √n
35.412023784143
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55686988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55686989 can be divided by 8 positive divisors.
The sum of these divisors (counting 55686989) is 1, the average is 0.125.
Base
System
Value
2
Binary
11010100011011011101001101
3
Ternary
10212210012012002
4
Quaternary
3110123131031
5
Quinary
103223440424
6
Senary
5305322045
8
Octal
324333515
10
Decimal
55686989
12
Duodecimal
16796325
16
Hexadecimal
351b74d
20
Vigesimal
h80h99
36
Base36
x5kct
md5
57dc8b997d773d61309598a23b7895c6
sha1
d15a2663fe7c4ea580f465a3ba26edf66fa231c4
sha256
b72826f331d295ee5e04deca0cacc2367023a13223f672be7690ea23a265cda3
sha512
01c34d32eed4856f6aec17405f73e5b5694b62b7154c3877301983db2e116fb0dc3d09172398b456053ce084754e14cb4ab8ebeca921f6c6b1cc25e951f6505a
ripemd-160
211cc137958748c08e70155036ed73860ca206ed
Diameter
111373978
Circumference
349891671.08587
Area
9.7422068194753E+15
Volume
7.2335221865579E+23
Surface area
3.8968827277901E+16
Circumference
349891671.08587
Perimeter
222747956
Area
3101040743886121
Diagonal
78753295.091521
Surface area
18606244463316726
Volume
1.7268762179334E+23
Space diagonal
96452694.268529
Perimeter
167060967
Area
1.342790031188E+15
Altitude
48226347.134265
Surface area
1.342790031188E+15
Volume
2.0351431399508E+22
Height
26251098.36384