20138740 is an even 8-digits composite number following 20138739
and preceding 20138741 . In scientific notation, it is written as 2.0138740 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 8055488 positive integers (up to 20138740) that are relatively prime to 20138740.
20138740 has 12 divisors, whose sum is 42291396
The reverse of 20138740 is 04783102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand seven hundred forty
Scientific notation
2.0138740 × 10^7
Engineering notation
2.0138740 × 10^6
Prime Factorization
2 × 2 × 5 × 1006937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069370
Product of the distinct prime numbers
The prime factorization of 20138740 is 2 × 2 × 5 × 1006937.
Since it has a total of 4 prime factors.
5 , 7 , 87 , 73 , 79 , 683 , 8803 , 7876 , 6554 , 20468 , 561159 , 655300 , 2809686 , 3374988 , 29700188 , 61581337 , 687942846 , 160122417 , 6780668355 , 4980895727
n×2
40277480
n×3
60416220
n×4
80554960
n×5
100693700
n÷2
10069370
n÷3
6712913.3333333
n÷3
5034685
n÷5
4027748
n2
405568848787600
n3
8.1676455978328E+21
n4
1.644860911069E+29
n5
3.3125426224182E+36
2 √n
4487.6207504645
3 √n
272.0679796927
4 √n
66.989706302271
5 √n
28.893919534345
1 , 2 , 4 , 5 , 10 , 20 , 1006937 , 2013874 , 4027748 , 5034685 , 10069370 , 20138740
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138739
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138740 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101011110100
3
Ternary
1101220011011021
4
Quaternary
1030310223310
5
Quinary
20123414430
6
Senary
1555350524
8
Octal
114645364
10
Decimal
20138740
12
Duodecimal
68b2444
16
Hexadecimal
1334af4
20
Vigesimal
65h6h0
36
Base36
bzn5g
md5
7152aa24cbb12bbf80c05abc0f20d559
sha1
33483c29df085c53bc103639b14fbbbce04a13ef
sha256
f8d7191ef32b4d7d8c6aa933dad6d9f22b98444367fb7ea6ba73a70456e84b07
sha512
b6f3285292637a859ad9eca64884ae49ee790a5d1e9e7e5951282a064d81d0d31c6412482fcbc4b87aea0a8d4a11072e160ef36499518fd24d3a0eafec97404e
ripemd-160
7da1daaaf1809a6d11ec70404c74479206c98587
Diameter
40277480
Circumference
126535435.27311
Area
1.274132115876E+15
Volume
3.4212553876369E+22
Surface area
5.096528463504E+15
Circumference
126535435.27311
Perimeter
80554960
Area
405568848787600
Diagonal
28480479.237106
Surface area
2433413092725600
Volume
8.1676455978328E+21
Space diagonal
34881320.88042
Perimeter
60416220
Area
1.7561646301684E+14
Altitude
17440660.44021
Surface area
1.7561646301684E+14
Volume
9.6256626475934E+20
Height
9493493.0790352