20157639 is an odd 8-digits composite number following 20157638
and preceding 20157640 . In scientific notation, it is written as 2.0157639 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12904416 positive integers (up to 20157639) that are relatively prime to 20157639.
20157639 has 16 divisors, whose sum is 27955200
The reverse of 20157639 is 93675102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-seven thousand six hundred thirty-nine
Scientific notation
2.0157639 × 10^7
Engineering notation
2.0157639 × 10^6
Prime Factorization
3 × 223 × 29 × 1039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20157639
Product of the distinct prime numbers
The prime factorization of 20157639 is 3 × 223 × 29 × 1039.
Since it has a total of 4 prime factors.
5 , 10 , 29 , 48 , 502 , 279 , 2785 , 3498 , 18599 , 73966 , 934089 , 558233 , 5483744 , 4310808 , 15338056 , 29268029 , 846523552 , 600770883 , 2861090820 , 9097721126
n×2
40315278
n×3
60472917
n×4
80630556
n×5
100788195
n÷2
10078819.5
n÷3
6719213
n÷3
5039409.75
n÷5
4031527.8
n2
406330410054321
n3
8.190661720597E+21
n4
1.6510440213491E+29
n5
3.3281149355464E+36
2 √n
4489.7259381838
3 √n
272.15305957951
4 √n
67.00541723013
5 √n
28.899340542019
1 , 3 , 29 , 87 , 223 , 669 , 1039 , 3117 , 6467 , 19401 , 30131 , 90393 , 231697 , 695091 , 6719213 , 20157639
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
-20157638
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 20157639 can be divided by 16 positive divisors.
The sum of these divisors (counting 20157639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111001010011000111
3
Ternary
1101221010002020
4
Quaternary
1030321103013
5
Quinary
20130021024
6
Senary
2000014223
8
Octal
114712307
10
Decimal
20157639
12
Duodecimal
6901373
16
Hexadecimal
13394c7
20
Vigesimal
65je1j
36
Base36
c01qf
md5
2718b80c0445280ff4a9fa1187916d47
sha1
9232256a081891464a79a6047c8fd371e150f971
sha256
aa4124e98ba081cbb3dfc6b8cb809b5843c0ae358ec8903d8d2c0b8dff6e3b49
sha512
a6f70cc27503340102ff0539e31eb754ab2af909eef90d786a85644bdcd33fb244d29519c66419c8b19e4cb977d0d8b25f1e9d7f9fe21b4d330f1d3d5bdf616f
ripemd-160
cd0b2045d06e7fc63e614f6fc9f1e0476c658665
Diameter
40315278
Circumference
126654181.19223
Area
1.2765246311568E+15
Volume
3.4308963585955E+22
Surface area
5.1060985246271E+15
Circumference
126654181.19223
Perimeter
80630556
Area
406330410054321
Diagonal
28507206.459221
Surface area
2437982460325926
Volume
8.190661720597E+21
Space diagonal
34914054.908632
Perimeter
60472917
Area
1.7594622871859E+14
Altitude
17457027.454316
Surface area
1.7594622871859E+14
Volume
9.6527874083987E+20
Height
9502402.1530736