20157430 is an even 8-digits composite number following 20157429
and preceding 20157431 . In scientific notation, it is written as 2.0157430 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 7712320 positive integers (up to 20157430) that are relatively prime to 20157430.
20157430 has 16 divisors, whose sum is 37861344
The reverse of 20157430 is 03475102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifty-seven thousand four hundred thirty
Scientific notation
2.0157430 × 10^7
Engineering notation
2.0157430 × 10^6
Prime Factorization
2 × 5 × 23 × 87641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157430
Product of the distinct prime numbers
The prime factorization of 20157430 is 2 × 5 × 23 × 87641.
Since it has a total of 4 prime factors.
7 , 10 , 16 , 69 , 70 , 173 , 7509 , 8110 , 92115 , 12179 , 150231 , 43986 , 2147256 , 5434373 , 51355173 , 59841711 , 534507135 , 422384948 , 7172974960 , 5044807502
n×2
40314860
n×3
60472290
n×4
80629720
n×5
100787150
n÷2
10078715
n÷3
6719143.3333333
n÷3
5039357.5
n÷5
4031486
n2
406321984204900
n3
8.1904069540714E+21
n4
1.6509755484821E+29
n5
3.3279424050239E+36
2 √n
4489.7026627606
3 √n
272.15211899008
4 √n
67.00524354676
5 √n
28.899280614493
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 87641 , 175282 , 438205 , 876410 , 2015743 , 4031486 , 10078715 , 20157430
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157429
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157430 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001001111110110
3
Ternary
1101221002210111
4
Quaternary
1030321033312
5
Quinary
20130014210
6
Senary
2000013234
8
Octal
114711766
10
Decimal
20157430
12
Duodecimal
690121a
16
Hexadecimal
13393f6
20
Vigesimal
65jdba
36
Base36
c01km
md5
3deec1ef355e483e97e08315ed7520d6
sha1
3bc51bca4fdc57fcf91d3e8ac58bc4daf162df2b
sha256
30464781215465551905bd16e530898cbcd7fb62ddfcdfb0cafcf2505aa07357
sha512
716261f45e62971f41b7316450d9780c8873eefce7181ed51b38ba4c8ab106ca6281964e1b3ae9b921b0b188337579116d40f9e29d7aaafed4e72ad6fe4c4240
ripemd-160
3d94b7a441653cff9ffbdbf47cee2bc97f244e07
Diameter
40314860
Circumference
126652868.0065
Area
1.2764981605701E+15
Volume
3.4307896422429E+22
Surface area
5.1059926422806E+15
Circumference
126652868.0065
Perimeter
80629720
Area
406321984204900
Diagonal
28506910.888586
Surface area
2437931905229400
Volume
8.1904069540714E+21
Space diagonal
34913692.910013
Perimeter
60472290
Area
1.7594258021877E+14
Altitude
17456846.455007
Surface area
1.7594258021877E+14
Volume
9.6524871631689E+20
Height
9502303.6295288