20157387 is an odd 8-digits composite number following 20157386
and preceding 20157388 . In scientific notation, it is written as 2.0157387 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13352352 positive integers (up to 20157387) that are relatively prime to 20157387.
20157387 has 8 divisors, whose sum is 27048336
The reverse of 20157387 is 78375102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred fifty-seven thousand three hundred eighty-seven
Scientific notation
2.0157387 × 10^7
Engineering notation
2.0157387 × 10^6
Prime Factorization
3 × 157 × 42797
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20157387
Product of the distinct prime numbers
The prime factorization of 20157387 is 3 × 157 × 42797.
Since it has a total of 3 prime factors.
9 , 10 , 29 , 35 , 86 , 70 , 7262 , 1875 , 84050 , 56686 , 625960 , 69094 , 3119712 , 1776591 , 5848952 , 52377380 , 774761172 , 650902110 , 1666167026 , 8302186405
n×2
40314774
n×3
60472161
n×4
80629548
n×5
100786935
n÷2
10078693.5
n÷3
6719129
n÷3
5039346.75
n÷5
4031477.4
n2
406320250667769
n3
8.1903545386472E+21
n4
1.6509614610272E+29
n5
3.327906909201E+36
2 √n
4489.6978740223
3 √n
272.15192547088
4 √n
67.005207812694
5 √n
28.899268284844
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20157386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20157387 can be divided by 8 positive divisors.
The sum of these divisors (counting 20157387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111001001111001011
3
Ternary
1101221002201220
4
Quaternary
1030321033023
5
Quinary
20130014022
6
Senary
2000013123
8
Octal
114711713
10
Decimal
20157387
12
Duodecimal
69011a3
16
Hexadecimal
13393cb
20
Vigesimal
65jd97
36
Base36
c01jf
md5
65a57a2d9b3a00cd66f82952c2537245
sha1
d19c25cf65279fc7fc435540f9fcd9c04548e1c4
sha256
0c74a6e5ccb5f669fbfccd3111d70405b7528298b71338bcdb0adabba8b17d20
sha512
33b4e8e19ee69d2281fc46ecd8146f85553f47049fde855c9189b11e77235b2b42592b8218c8c5a45304468185ec7effbffb5201d24c4ddcb6898885e601a190
ripemd-160
f9a36ccdced08b86c9be7447b7a369ec93032125
Diameter
40314774
Circumference
126652597.82953
Area
1.2764927145026E+15
Volume
3.4307676865213E+22
Surface area
5.1059708580105E+15
Circumference
126652597.82953
Perimeter
80629548
Area
406320250667769
Diagonal
28506850.077403
Surface area
2437921504006614
Volume
8.1903545386472E+21
Space diagonal
34913618.431828
Perimeter
60472161
Area
1.7594182957517E+14
Altitude
17456809.215914
Surface area
1.7594182957517E+14
Volume
9.6524253909991E+20
Height
9502283.3591344