20538994 (number)

20538994 is an even 8-digits composite number following 20538993 and preceding 20538995. In scientific notation, it is written as 2.0538994 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8755200 positive integers (up to 20538994) that are relatively prime to 20538994.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-eight thousand nine hundred ninety-four

Notation

Scientific notation 2.0538994 × 10^7
Engineering notation 2.0538994 × 10^6

Prime Factorization of 20538994

Prime Factorization 2 × 7 × 191 × 7681

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20538994
Product of the distinct prime numbers

The prime factorization of 20538994 is 2 × 7 × 191 × 7681. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20538994)

Multiplication

n×y
n×2 41077988
n×3 61616982
n×4 82155976
n×5 102694970

Division

n÷y
n÷2 10269497
n÷3 6846331.3333333
n÷3 5134748.5
n÷5 4107798.8

Exponentiation

ny
n2 421850274532036
n3 8.6643802575118E+21
n4 1.7795765412275E+29
n5 3.6550711902813E+36

Nth Root

y√n
2√n 4531.9966902018
3√n 273.8586035867
4√n 67.320106136293
5√n 29.007869543184

Divisors of 20538994

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 -20538993
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 20538994 can be divided by 16 positive divisors. The sum of these divisors (counting 20538994) is 1, the average is 0.0625.

Base conversion 20538994

Base System Value
2 Binary 1001110010110011001110010
3 Ternary 1102122111012111
4 Quaternary 1032112121302
5 Quinary 20224221434
6 Senary 2012115534
8 Octal 116263162
10 Decimal 20538994
12 Duodecimal 6a65baa
16 Hexadecimal 1396672
20 Vigesimal 68779e
36 Base36 c87zm

Cryptographic Hash Functions

md5 e79a7588bc5415d22f7e4d98c0725410
sha1 fd0d76719610c3dc43058c583001437cb6fb25c4
sha256 82e00ce499b40a829136bfdd16e962abd0665189de087fac1a496b4c8eb67b30
sha512 36d551d1118b6b6a54aac810ddfe61bfaa6139ae85006473123d76f6181dd6ddb193661ec99ceeb85e747b9ba8c9909939ac7a6a826132588effef2a0a765835
ripemd-160 35fc220d290ae0d343c8cf4055f90f04efd8e26f

20538994 as geometric shapes

Circle

Radius = n
Diameter 41077988
Circumference 129050305.32505
Area 1.3252817233847E+15

Sphere

Radius = n
Volume 3.629327115321E+22
Surface area 5.3011268935387E+15
Circumference 129050305.32505

Square

Length = n
Perimeter 82155976
Area 421850274532036
Diagonal 29046523.8723

Cube

Length = n
Surface area 2531101647192216
Volume 8.6643802575118E+21
Space diagonal 35574581.144352

Equilateral Triangle

Length = n
Perimeter 61616982
Area 1.8266652716909E+14
Altitude 17787290.572176

Triangular Pyramid

Length = n
Surface area 1.8266652716909E+14
Volume 1.0211070058109E+21
Height 9682174.6240999