20157420 is an even 8-digits composite number following 20157419
and preceding 20157421 . In scientific notation, it is written as 2.0157420 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 5375296 positive integers (up to 20157420) that are relatively prime to 20157420.
20157420 has 24 divisors, whose sum is 56440944
The reverse of 20157420 is 02475102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifty-seven thousand four hundred twenty
Scientific notation
2.0157420 × 10^7
Engineering notation
2.0157420 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 335957
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10078710
Product of the distinct prime numbers
The prime factorization of 20157420 is 2 × 2 × 3 × 5 × 335957.
Since it has a total of 5 prime factors.
3 , 5 , 17 , 68 , 131 , 317 , 9097 , 6094 , 50322 , 31551 , 316512 , 988013 , 7378864 , 7275219 , 97592450 , 78925672 , 150112606 , 458753427 , 9524027483 , 5078125143
n×2
40314840
n×3
60472260
n×4
80629680
n×5
100787100
n÷2
10078710
n÷3
6719140
n÷3
5039355
n÷5
4031484
n2
406321581056400
n3
8.1903947644179E+21
n4
1.6509722723217E+29
n5
3.3279341501543E+36
2 √n
4489.701549101
3 √n
272.15207398564
4 √n
67.005235236517
5 √n
28.899277747135
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 335957 , 671914 , 1007871 , 1343828 , 1679785 , 2015742 , 3359570 , 4031484 , 5039355 , 6719140 , 10078710 , 20157420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157420 can be divided by 24 positive divisors.
The sum of these divisors (counting 20157420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111001001111101100
3
Ternary
1101221002210010
4
Quaternary
1030321033230
5
Quinary
20130014140
6
Senary
2000013220
8
Octal
114711754
10
Decimal
20157420
12
Duodecimal
6901210
16
Hexadecimal
13393ec
20
Vigesimal
65jdb0
36
Base36
c01kc
md5
f5ffdab16739983ccbce0f1dc2f300c4
sha1
08b1f88016479c6ef37c7f1c8cec8e1ce301822f
sha256
64bcfffcc480df9a3538cb28ba11dc2a8f1db60f6b01d244e48207b3fc4a3b1e
sha512
20b1fe0594a695c90e3ee38ae183e154844b67427027b56cfe3d87f99c2b191ffd3d965b492cc7f0d77b97f6d21ce3593d4309f9f67bb89debbaa0ce782c7915
ripemd-160
effe4822ab23bee0f508d5817feeca9b87559e6d
Diameter
40314840
Circumference
126652805.17465
Area
1.2764968940418E+15
Volume
3.4307845362527E+22
Surface area
5.1059875761671E+15
Circumference
126652805.17465
Perimeter
80629680
Area
406321581056400
Diagonal
28506896.746451
Surface area
2437929486338400
Volume
8.1903947644179E+21
Space diagonal
34913675.589505
Perimeter
60472260
Area
1.7594240565035E+14
Altitude
17456837.794753
Surface area
1.7594240565035E+14
Volume
9.6524727975245E+20
Height
9502298.9154836