20157724 is an even 8-digits composite number following 20157723
and preceding 20157725 . In scientific notation, it is written as 2.0157724 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 10064624 positive integers (up to 20157724) that are relatively prime to 20157724.
20157724 has 12 divisors, whose sum is 35325864
The reverse of 20157724 is 42775102
Previous prime number is 797
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred fifty-seven thousand seven hundred twenty-four
Scientific notation
2.0157724 × 10^7
Engineering notation
2.0157724 × 10^6
Prime Factorization
2 × 2 × 797 × 6323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10078862
Product of the distinct prime numbers
The prime factorization of 20157724 is 2 × 2 × 797 × 6323.
Since it has a total of 4 prime factors.
7 , 7 , 65 , 58 , 148 , 129 , 5164 , 6009 , 98997 , 25421 , 412374 , 316223 , 9033102 , 2139025 , 25031865 , 70754958 , 381324879 , 227764331 , 9036886949 , 264975682
n×2
40315448
n×3
60473172
n×4
80630896
n×5
100788620
n÷2
10078862
n÷3
6719241.3333333
n÷3
5039431
n÷5
4031544.8
n2
406333836860176
n3
8.1907653352885E+21
n4
1.6510718697751E+29
n5
3.3281851055091E+36
2 √n
4489.7354042304
3 √n
272.15344211401
4 √n
67.00548786652
5 √n
28.899364914316
1 , 2 , 4 , 797 , 1594 , 3188 , 6323 , 12646 , 25292 , 5039431 , 10078862 , 20157724
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
-20157723
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 20157724 can be divided by 12 positive divisors.
The sum of these divisors (counting 20157724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111001010100011100
3
Ternary
1101221010012101
4
Quaternary
1030321110130
5
Quinary
20130021344
6
Senary
2000014444
8
Octal
114712434
10
Decimal
20157724
12
Duodecimal
6901424
16
Hexadecimal
133951c
20
Vigesimal
65je64
36
Base36
c01ss
md5
a2b9b61761fbf8527a8b5bb47910a705
sha1
d3aaf4a9d8ababe1306887707f298e71ce505d40
sha256
1b31aa64b28df36c7a67aec6983b598feb5be22646d6a299034de2480eb48f08
sha512
ff3b16752b52268e0ec8441b0c7fbe41aff52bd1b65a5a2ab50a9bb878b41f4f7c45b89a5abd1d5d0dd24df36033aff30e364dd3b1162c1304268118d9664f25
ripemd-160
b4ccc427134d08cb9635ce7f2d31604d29daa935
Diameter
40315448
Circumference
126654715.26298
Area
1.2765353967849E+15
Volume
3.430939760616E+22
Surface area
5.1061415871395E+15
Circumference
126654715.26298
Perimeter
80630896
Area
406333836860176
Diagonal
28507326.667374
Surface area
2438003021161056
Volume
8.1907653352885E+21
Space diagonal
34914202.132951
Perimeter
60473172
Area
1.7594771256906E+14
Altitude
17457101.066475
Surface area
1.7594771256906E+14
Volume
9.6529095194836E+20
Height
9502442.2224579