20157492 is an even 8-digits composite number following 20157491
and preceding 20157493 . In scientific notation, it is written as 2.0157492 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6706336 positive integers (up to 20157492) that are relatively prime to 20157492.
20157492 has 24 divisors, whose sum is 47124000
The reverse of 20157492 is 29475102
Previous prime number is 659
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-seven thousand four hundred ninety-two
Scientific notation
2.0157492 × 10^7
Engineering notation
2.0157492 × 10^6
Prime Factorization
2 × 2 × 3 × 659 × 2549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10078746
Product of the distinct prime numbers
The prime factorization of 20157492 is 2 × 2 × 3 × 659 × 2549.
Since it has a total of 5 prime factors.
4 , 1 , 66 , 9 , 928 , 392 , 87 , 7856 , 42209 , 33650 , 347658 , 667217 , 7635897 , 3652755 , 41468737 , 36724329 , 464062499 , 832869134 , 5996296119 , 4103958782
n×2
40314984
n×3
60472476
n×4
80629968
n×5
100787460
n÷2
10078746
n÷3
6719164
n÷3
5039373
n÷5
4031498.4
n2
406324483730064
n3
8.1904825301929E+21
n4
1.650995860785E+29
n5
3.3279935855807E+36
2 √n
4489.7095674442
3 √n
272.15239801729
4 √n
67.005295070197
5 √n
28.899298392088
1 , 2 , 3 , 4 , 6 , 12 , 659 , 1318 , 1977 , 2549 , 2636 , 3954 , 5098 , 7647 , 7908 , 10196 , 15294 , 30588 , 1679791 , 3359582 , 5039373 , 6719164 , 10078746 , 20157492
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157491
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157492 can be divided by 24 positive divisors.
The sum of these divisors (counting 20157492) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111001010000110100
3
Ternary
1101221002212210
4
Quaternary
1030321100310
5
Quinary
20130014432
6
Senary
2000013420
8
Octal
114712064
10
Decimal
20157492
12
Duodecimal
6901270
16
Hexadecimal
1339434
20
Vigesimal
65jdec
36
Base36
c01mc
md5
d25e793d89133c699c51eafc8b18bf1e
sha1
cc522cc3d7b6947c8a82b3d628689f7d40e4134d
sha256
b8f50de09454a8d35a9f02a1f2f9d1851c6731ab2aee6c43c66e7b78757a03f3
sha512
87c7be434d85512a8f1a19b047aa91214d03859f6b0d66cf9e3f86c5019208ee13ae80ce988830743af2c0c190fdbf5548607aa95465b0767e5c24183075952b
ripemd-160
00cb0eb89a84d86d471b60c7ca0b6467875a1581
Diameter
40314984
Circumference
126653257.56399
Area
1.27650601306E+15
Volume
3.4308212994946E+22
Surface area
5.1060240522401E+15
Circumference
126653257.56399
Perimeter
80629968
Area
406324483730064
Diagonal
28506998.569827
Surface area
2437946902380384
Volume
8.1904825301929E+21
Space diagonal
34913800.297163
Perimeter
60472476
Area
1.7594366254492E+14
Altitude
17456900.148582
Surface area
1.7594366254492E+14
Volume
9.6525762304822E+20
Height
9502332.8566091