20138946 is an even 8-digits composite number following 20138945
and preceding 20138947 . In scientific notation, it is written as 2.0138946 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6643584 positive integers (up to 20138946) that are relatively prime to 20138946.
20138946 has 16 divisors, whose sum is 40694304
The reverse of 20138946 is 64983102
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred thirty-eight thousand nine hundred forty-six
Scientific notation
2.0138946 × 10^7
Engineering notation
2.0138946 × 10^6
Prime Factorization
2 × 3 × 97 × 34603
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138946
Product of the distinct prime numbers
The prime factorization of 20138946 is 2 × 3 × 97 × 34603.
Since it has a total of 4 prime factors.
9 , 7 , 77 , 76 , 386 , 99 , 6143 , 217 , 94676 , 74647 , 103881 , 842272 , 455571 , 4082246 , 88486715 , 29762638 , 592511146 , 852600215 , 9130315016 , 6584928568
n×2
40277892
n×3
60416838
n×4
80555784
n×5
100694730
n÷2
10069473
n÷3
6712982
n÷3
5034736.5
n÷5
4027789.2
n2
405577145990916
n3
8.1678962419452E+21
n4
1.6449282135014E+29
n5
3.3127120465581E+36
2 √n
4487.6437024345
3 √n
272.06890735439
4 √n
66.989877611729
5 √n
28.893978645521
1 , 2 , 3 , 6 , 97 , 194 , 291 , 582 , 34603 , 69206 , 103809 , 207618 , 3356491 , 6712982 , 10069473 , 20138946
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
-20138945
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 20138946 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101111000010
3
Ternary
1101220011102220
4
Quaternary
1030310233002
5
Quinary
20123421241
6
Senary
1555351510
8
Octal
114645702
10
Decimal
20138946
12
Duodecimal
68b2596
16
Hexadecimal
1334bc2
20
Vigesimal
65h776
36
Base36
bznb6
md5
b91e2b6fcdb755b2d9165314339122f9
sha1
1f039b50ecf5c4c05cece86a007376fc0eec9cdd
sha256
61cdb9765e05b480e5b547a4297cc7c50e16f4f57182f9f402ac06f211acdec4
sha512
5876b1c77aa3815922dd2c5f1ffa28071c9e16282126f3a1ba223b12875f189b13c39f55d037f320b97090d6d7429d0da60c2659080936de9e11bc0a54375434
ripemd-160
8eb1658c68fc9b71859b0daef5a0f9589ab6da29
Diameter
40277892
Circumference
126536729.60928
Area
1.274158182309E+15
Volume
3.4213603771972E+22
Surface area
5.0966327292359E+15
Circumference
126536729.60928
Perimeter
80555784
Area
405577145990916
Diagonal
28480770.565099
Surface area
2433462875945496
Volume
8.1678962419452E+21
Space diagonal
34881677.682886
Perimeter
60416838
Area
1.7562005581126E+14
Altitude
17440838.841443
Surface area
1.7562005581126E+14
Volume
9.6259580345126E+20
Height
9493590.1883665