20157057 is an odd 8-digits composite number following 20157056
and preceding 20157058 . In scientific notation, it is written as 2.0157057 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13383000 positive integers (up to 20157057) that are relatively prime to 20157057.
20157057 has 12 divisors, whose sum is 29235024
The reverse of 20157057 is 75075102
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-seven thousand fifty-seven
Scientific notation
2.0157057 × 10^7
Engineering notation
2.0157057 × 10^6
Prime Factorization
3 × 3 × 251 × 8923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6719019
Product of the distinct prime numbers
The prime factorization of 20157057 is 3 × 3 × 251 × 8923.
Since it has a total of 4 prime factors.
7 , 3 , 78 , 19 , 702 , 155 , 4120 , 4242 , 55700 , 11457 , 613467 , 511927 , 4206100 , 8201308 , 43812034 , 19586063 , 625899199 , 611048321 , 7568180999 , 6073021873
n×2
40314114
n×3
60471171
n×4
80628228
n×5
100785285
n÷2
10078528.5
n÷3
6719019
n÷3
5039264.25
n÷5
4031411.4
n2
406306946901249
n3
8.1899522881844E+21
n4
1.6508533510021E+29
n5
3.3276345094791E+36
2 √n
4489.6611230693
3 √n
272.15044031434
4 √n
67.004933572606
5 √n
28.899173661261
1 , 3 , 9 , 251 , 753 , 2259 , 8923 , 26769 , 80307 , 2239673 , 6719019 , 20157057
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157056
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157057 can be divided by 12 positive divisors.
The sum of these divisors (counting 20157057) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001001010000001
3
Ternary
1101221002021200
4
Quaternary
1030321022001
5
Quinary
20130011212
6
Senary
2000011413
8
Octal
114711201
10
Decimal
20157057
12
Duodecimal
6900b69
16
Hexadecimal
1339281
20
Vigesimal
65jcch
36
Base36
c01a9
md5
833bbd2448f9a4b535bde3497d75027b
sha1
16c048aae9b2532c4db43e3d727b25c555ac22be
sha256
72cbe4091078e1b58910737106d4faafba8b5811cf6bd210495a63bea2c0bff3
sha512
230644214f9e85d69610d691a61be1514bf2c67af3b6ff50fd3de8742e8c570a5af80eb746da9ebe0ddf8193805bc8f010455d07c0a2a2e9e2b6940ad9183992
ripemd-160
4c8640c961511c95f4865a5861ac26edef4ba705
Diameter
40314114
Circumference
126650524.37838
Area
1.2764509194875E+15
Volume
3.4305991922415E+22
Surface area
5.1058036779498E+15
Circumference
126650524.37838
Perimeter
80628228
Area
406306946901249
Diagonal
28506383.386928
Surface area
2437841681407494
Volume
8.1899522881844E+21
Space diagonal
34913046.855062
Perimeter
60471171
Area
1.7593606887529E+14
Altitude
17456523.427531
Surface area
1.7593606887529E+14
Volume
9.6519513342825E+20
Height
9502127.7956425