20157249 is an odd 8-digits composite number following 20157248
and preceding 20157250 . In scientific notation, it is written as 2.0157249 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 11518416 positive integers (up to 20157249) that are relatively prime to 20157249.
20157249 has 8 divisors, whose sum is 30715840
The reverse of 20157249 is 94275102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-seven thousand two hundred forty-nine
Scientific notation
2.0157249 × 10^7
Engineering notation
2.0157249 × 10^6
Prime Factorization
3 × 7 × 959869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20157249
Product of the distinct prime numbers
The prime factorization of 20157249 is 3 × 7 × 959869.
Since it has a total of 3 prime factors.
7 , 8 , 42 , 8 , 902 , 154 , 9265 , 3402 , 73005 , 66811 , 700786 , 539930 , 3358718 , 3409723 , 88191092 , 53926474 , 590845239 , 50601850 , 8150678508 , 3711762639
n×2
40314498
n×3
60471747
n×4
80628996
n×5
100786245
n÷2
10078624.5
n÷3
6719083
n÷3
5039312.25
n÷5
4031449.8
n2
406314687248001
n3
8.1901863232151E+21
n4
1.6509162507344E+29
n5
3.32779299442E+36
2 √n
4489.6825054785
3 √n
272.15130440739
4 √n
67.005093130885
5 √n
28.899228715133
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
-20157248
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 20157249 can be divided by 8 positive divisors.
The sum of these divisors (counting 20157249) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001001101000001
3
Ternary
1101221002112210
4
Quaternary
1030321031001
5
Quinary
20130012444
6
Senary
2000012333
8
Octal
114711501
10
Decimal
20157249
12
Duodecimal
69010a9
16
Hexadecimal
1339341
20
Vigesimal
65jd29
36
Base36
c01fl
md5
af99fec457550d44ca24148f2c36886b
sha1
ee0907946f9b4028b5d7ec72dbbb45b940e83aa8
sha256
823d9d9c6ebfc7a8ef1304f26491201c6219044b1889f8ffd9cc188f027fef67
sha512
474cb3edb01fe5f5a540250eae025bb54c677cd0cb21ab1021793227f9427480d60eb51e3dd250689b479b3de17c507d4b2bd3885908c4dda9bc80cb7d21faf9
ripemd-160
e4c50e254abb3cadb9caea07303d934814392557
Diameter
40314498
Circumference
126651730.74996
Area
1.276475236504E+15
Volume
3.4306972246059E+22
Surface area
5.1059009460158E+15
Circumference
126651730.74996
Perimeter
80628996
Area
406314687248001
Diagonal
28506654.915932
Surface area
2437888123488006
Volume
8.1901863232151E+21
Space diagonal
34913379.408817
Perimeter
60471747
Area
1.7593942054375E+14
Altitude
17456689.704408
Surface area
1.7593942054375E+14
Volume
9.6522271472112E+20
Height
9502218.3053105