20131997 is an odd 8-digits composite number following 20131996
and preceding 20131998 . In scientific notation, it is written as 2.0131997 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19752096 positive integers (up to 20131997) that are relatively prime to 20131997.
20131997 has 4 divisors, whose sum is 20511900
The reverse of 20131997 is 79913102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-one thousand nine hundred ninety-seven
Scientific notation
2.0131997 × 10^7
Engineering notation
2.0131997 × 10^6
Prime Factorization
53 × 379849
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131997
Product of the distinct prime numbers
The prime factorization of 20131997 is 53 × 379849.
Since it has a total of 2 prime factors.
1 , 10 , 71 , 6 , 611 , 507 , 5575 , 4241 , 50870 , 52155 , 842551 , 650995 , 2382093 , 3165765 , 68088403 , 72178857 , 400630576 , 855755746 , 8996010716 , 5028698919
n×2
40263994
n×3
60395991
n×4
80527988
n×5
100659985
n÷2
10065998.5
n÷3
6710665.6666667
n÷3
5032999.25
n÷5
4026399.4
n2
405297303208009
n3
8.1594440922917E+21
n4
1.6426590398768E+29
n5
3.3070006862824E+36
2 √n
4486.8693985896
3 √n
272.03761104041
4 √n
66.984098102383
5 √n
28.89198438052
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131997 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011000010011101
3
Ternary
1101212210220112
4
Quaternary
1030303002131
5
Quinary
20123210442
6
Senary
1555255405
8
Octal
114630235
10
Decimal
20131997
12
Duodecimal
68aa565
16
Hexadecimal
133309d
20
Vigesimal
65g9jh
36
Base36
bzhy5
md5
516991c5174528838c2a09c666bb8955
sha1
d49ee9c70255fa75b7f454847d42160ff698f5bd
sha256
eb59a1803746e70419289dc9f399683b922bfbdf3dabc71b2fc16f1fcb212630
sha512
1e0e969f010fb9ddd53bb9377278ddffeaa2973403bb440ea1217929811af5badb69c71552ebedf2ebc180da73b51940bfdf9bc07001aff212bd596535531473
ripemd-160
187584c99e311fdf61fae480a9d2e8f8abb272f2
Diameter
40263994
Circumference
126493067.75458
Area
1.273279030278E+15
Volume
3.4178199490294E+22
Surface area
5.0931161211121E+15
Circumference
126493067.75458
Perimeter
80527988
Area
405297303208009
Diagonal
28470943.195054
Surface area
2431783819248054
Volume
8.1594440922917E+21
Space diagonal
34869641.661824
Perimeter
60395991
Area
1.7549888033173E+14
Altitude
17434820.830912
Surface area
1.7549888033173E+14
Volume
9.61599708062E+20
Height
9490314.3983515