20138458 is an even 8-digits composite number following 20138457
and preceding 20138459 . In scientific notation, it is written as 2.0138458 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9918876 positive integers (up to 20138458) that are relatively prime to 20138458.
20138458 has 8 divisors, whose sum is 30658752
The reverse of 20138458 is 85483102
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-eight thousand four hundred fifty-eight
Scientific notation
2.0138458 × 10^7
Engineering notation
2.0138458 × 10^6
Prime Factorization
2 × 67 × 150287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138458
Product of the distinct prime numbers
The prime factorization of 20138458 is 2 × 67 × 150287.
Since it has a total of 3 prime factors.
5 , 6 , 41 , 24 , 274 , 783 , 5423 , 2846 , 76942 , 5946 , 235351 , 521669 , 8746203 , 9921407 , 70072015 , 48875543 , 509566756 , 478595480 , 9599226820 , 3450608970
n×2
40276916
n×3
60415374
n×4
80553832
n×5
100692290
n÷2
10069229
n÷3
6712819.3333333
n÷3
5034614.5
n÷5
4027691.6
n2
405557490617764
n3
8.1673024913912E+21
n4
1.6447687819618E+29
n5
3.3123107035248E+36
2 √n
4487.5893305872
3 √n
272.06670977664
4 √n
66.989471789134
5 √n
28.893838614377
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
-20138457
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 20138458 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138458) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100100111011010
3
Ternary
1101220010202211
4
Quaternary
1030310213122
5
Quinary
20123412313
6
Senary
1555345334
8
Octal
114644732
10
Decimal
20138458
12
Duodecimal
68b224a
16
Hexadecimal
13349da
20
Vigesimal
65h62i
36
Base36
bzmxm
md5
71acdd72c554a5450bba676968b801b0
sha1
f65dac0adf7020498097f9c84c73149c10f72eb9
sha256
430bc5e36bb0cd7d8916fb753376c60b2777673521c806acd67026c334f21094
sha512
4a2da722e16e8c308509480403700015acb6765254b65b3615ad3b42baa2916a515886f083cbd71ad5b2b3a418be88aaf9025ff03a1e5c9c7e1545e10d2f1aff
ripemd-160
8ace748ef68c15fb4ad592dc8bfb1cf776d255a9
Diameter
40276916
Circumference
126533663.41485
Area
1.2740964331331E+15
Volume
3.4211116675467E+22
Surface area
5.0963857325323E+15
Circumference
126533663.41485
Perimeter
80553832
Area
405557490617764
Diagonal
28480080.428881
Surface area
2433344943706584
Volume
8.1673024913912E+21
Space diagonal
34880832.442092
Perimeter
60415374
Area
1.7561154478503E+14
Altitude
17440416.221046
Surface area
1.7561154478503E+14
Volume
9.6252582927742E+20
Height
9493360.1429603