20157142 is an even 8-digits composite number following 20157141
and preceding 20157143 . In scientific notation, it is written as 2.0157142 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10078570 positive integers (up to 20157142) that are relatively prime to 20157142.
20157142 has 4 divisors, whose sum is 30235716
The reverse of 20157142 is 24175102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifty-seven thousand one hundred forty-two
Scientific notation
2.0157142 × 10^7
Engineering notation
2.0157142 × 10^6
Prime Factorization
2 × 10078571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20157142
Product of the distinct prime numbers
The prime factorization of 20157142 is 2 × 10078571.
Since it has a total of 2 prime factors.
2 , 9 , 78 , 69 , 136 , 125 , 5541 , 4126 , 14630 , 4168 , 621478 , 794023 , 4991093 , 7114657 , 62557395 , 46177694 , 809491090 , 715785423 , 7204417024 , 8608120405
n×2
40314284
n×3
60471426
n×4
80628568
n×5
100785710
n÷2
10078571
n÷3
6719047.3333333
n÷3
5039285.5
n÷5
4031428.4
n2
406310373608164
n3
8.1900558968928E+21
n4
1.6508811970161E+29
n5
3.3277046713383E+36
2 √n
4489.6705892526
3 √n
272.15082285621
4 √n
67.005004210526
5 √n
28.89919803412
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157142 can be divided by 4 positive divisors.
The sum of these divisors (counting 20157142) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111001001011010110
3
Ternary
1101221002101211
4
Quaternary
1030321023112
5
Quinary
20130012032
6
Senary
2000012034
8
Octal
114711326
10
Decimal
20157142
12
Duodecimal
690101a
16
Hexadecimal
13392d6
20
Vigesimal
65jch2
36
Base36
c01cm
md5
c239665fa22569ebbba87f3bde9df881
sha1
50cf47a48020e021865d8d03a34c6f0953f1d6d1
sha256
bc091d10dcc578946f9cce6f8452918ee2b90870b49c19b6740346d29b7c5eb0
sha512
b58098c8bb9627481ba475b2ed1a2dc4290f8133667e51e75e972d7fd161a4c5ae11d55eb92dca256beeb4b1bd1b2089248f9d57afc9641e5b7b14dc247e668c
ripemd-160
a2e4251caf41815860525f8f3ffdc4d2158f1448
Diameter
40314284
Circumference
126651058.44913
Area
1.2764616848047E+15
Volume
3.4306425917558E+22
Surface area
5.1058467392189E+15
Circumference
126651058.44913
Perimeter
80628568
Area
406310373608164
Diagonal
28506503.59508
Surface area
2437862241648984
Volume
8.1900558968928E+21
Space diagonal
34913194.079381
Perimeter
60471426
Area
1.7593755268291E+14
Altitude
17456597.03969
Surface area
1.7593755268291E+14
Volume
9.6520734383163E+20
Height
9502167.8650268