55156781 is an odd 8-digits composite number following 55156780
and preceding 55156782 . In scientific notation, it is written as 5.5156781 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 53292960 positive integers (up to 55156781) that are relatively prime to 55156781.
55156781 has 8 divisors, whose sum is 57026304
The reverse of 55156781 is 18765155
Previous prime number is 953
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
fifty-five million one hundred fifty-six thousand seven hundred eighty-one
Scientific notation
5.5156781 × 10^7
Engineering notation
5.5156781 × 10^6
Prime Factorization
31 × 953 × 1867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
55156781
Product of the distinct prime numbers
The prime factorization of 55156781 is 31 × 953 × 1867.
Since it has a total of 3 prime factors.
2 , 3 , 9 , 30 , 892 , 613 , 3269 , 1256 , 5083 , 96361 , 995196 , 39324 , 955274 , 8026133 , 97198960 , 17446697 , 226473758 , 636309692 , 9122779287 , 873446590
n×2
110313562
n×3
165470343
n×4
220627124
n×5
275783905
n÷2
27578390.5
n÷3
18385593.666667
n÷3
13789195.25
n÷5
11031356.2
n2
3042270490281961
n3
1.6780184717524E+23
n4
9.2554097360404E+30
n5
5.1049860787605E+38
2 √n
7426.7611379389
3 √n
380.65625519981
4 √n
86.178658250978
5 √n
35.344332364467
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
-55156780
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 55156781 can be divided by 8 positive divisors.
The sum of these divisors (counting 55156781) is 1, the average is 0.125.
Base
System
Value
2
Binary
11010010011010000000101101
3
Ternary
10211210020212202
4
Quaternary
3102122000231
5
Quinary
103110004111
6
Senary
5250111245
8
Octal
322320055
10
Decimal
55156781
12
Duodecimal
1657b525
16
Hexadecimal
349a02d
20
Vigesimal
h4ebj1
36
Base36
wu78t
md5
e8f924090e1ca214814d765ecabd76e8
sha1
4b5d375e7099ef299476a0dfb1e83545e6697858
sha256
219bf990f47ff633451557a70cc92498b61c610809a7ce1d71200bf19a31c745
sha512
f605d8b0b97f12cc8bd2860554717cff46e25a6bb40805c40836f096b0f5516bf22c76de0bb175ca1848d7d6b0163602619de511d06ac7641d90ce087e43db2f
ripemd-160
7c5ba84a57fab9caf6907a3f463738125bd2c071
Diameter
110313562
Circumference
346560275.97052
Area
9.5575746225028E+15
Volume
7.0288673379273E+23
Surface area
3.8230298490011E+16
Circumference
346560275.97052
Perimeter
220627124
Area
3042270490281961
Diagonal
78003467.747043
Surface area
18253622941691766
Volume
1.6780184717524E+23
Space diagonal
95534347.07395
Perimeter
165470343
Area
1.317341764884E+15
Altitude
47767173.536975
Surface area
1.317341764884E+15
Volume
1.9775637338874E+22
Height
26001155.915681