20157055 is an odd 8-digits composite number following 20157054
and preceding 20157056 . In scientific notation, it is written as 2.0157055 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 15852096 positive integers (up to 20157055) that are relatively prime to 20157055.
20157055 has 8 divisors, whose sum is 24598800
The reverse of 20157055 is 55075102
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred fifty-seven thousand fifty-five
Scientific notation
2.0157055 × 10^7
Engineering notation
2.0157055 × 10^6
Prime Factorization
5 × 59 × 68329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20157055
Product of the distinct prime numbers
The prime factorization of 20157055 is 5 × 59 × 68329.
Since it has a total of 3 prime factors.
8 , 9 , 11 , 54 , 452 , 962 , 1400 , 6334 , 7254 , 68437 , 641480 , 233039 , 2312524 , 8868715 , 12785174 , 61367611 , 33770361 , 552940614 , 6168044057 , 5885745853
n×2
40314110
n×3
60471165
n×4
80628220
n×5
100785275
n÷2
10078527.5
n÷3
6719018.3333333
n÷3
5039263.75
n÷5
4031411
n2
406306866273025
n3
8.189949850343E+21
n4
1.6508526958061E+29
n5
3.3276328586261E+36
2 √n
4489.6609003353
3 √n
272.15043131334
4 √n
67.004931910534
5 √n
28.899173087781
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
-20157054
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 20157055 can be divided by 8 positive divisors.
The sum of these divisors (counting 20157055) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001001001111111
3
Ternary
1101221002021121
4
Quaternary
1030321021333
5
Quinary
20130011210
6
Senary
2000011411
8
Octal
114711177
10
Decimal
20157055
12
Duodecimal
6900b67
16
Hexadecimal
133927f
20
Vigesimal
65jccf
36
Base36
c01a7
md5
5b10f7a97a79dfc8d88c25dc68dcc1a7
sha1
6afe225d64f2ada7041b986339b69b0cd5a06453
sha256
2781739cafacf4a5fafb54e2243f006b23c3eec1c364c942fcfc32acc580580a
sha512
72fcd187d0bb1a07f528e89883ff917210aedebdc7c6cffbedbd112c436659708a5824cfe6073e7ca4847a1c8a4f18358aacc5373da86b455579fb670bb5f2b5
ripemd-160
4e4bb764e5f7fc15b1dc69c3f49af3afb5cb2d2c
Diameter
40314110
Circumference
126650511.81201
Area
1.2764506661864E+15
Volume
3.4305981710809E+22
Surface area
5.1058026647457E+15
Circumference
126650511.81201
Perimeter
80628220
Area
406306866273025
Diagonal
28506380.5585
Surface area
2437841197638150
Volume
8.189949850343E+21
Space diagonal
34913043.39096
Perimeter
60471165
Area
1.7593603396224E+14
Altitude
17456521.69548
Surface area
1.7593603396224E+14
Volume
9.6519484612588E+20
Height
9502126.8528335