20208749 (number)

20208749 is an odd 8-digits composite number following 20208748 and preceding 20208750. In scientific notation, it is written as 2.0208749 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18371580 positive integers (up to 20208749) that are relatively prime to 20208749.

Interesting facts

Basic properties

Name

Name twenty million two hundred eight thousand seven hundred forty-nine

Notation

Scientific notation 2.0208749 × 10^7
Engineering notation 2.0208749 × 10^6

Prime Factorization of 20208749

Prime Factorization 11 × 1837159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20208749
Product of the distinct prime numbers

The prime factorization of 20208749 is 11 × 1837159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20208749)

Multiplication

n×y
n×2 40417498
n×3 60626247
n×4 80834996
n×5 101043745

Division

n÷y
n÷2 10104374.5
n÷3 6736249.6666667
n÷3 5052187.25
n÷5 4041749.8

Exponentiation

ny
n2 408393536145001
n3 8.2531224651768E+21
n4 1.6678528036502E+29
n5 3.3705218677913E+36

Nth Root

y√n
2√n 4495.4142189569
3√n 272.38288152254
4√n 67.047850218757
5√n 28.913980644878

Divisors of 20208749

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 -20208748
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 20208749 can be divided by 4 positive divisors. The sum of these divisors (counting 20208749) is 1, the average is 0.25.

Base conversion 20208749

Base System Value
2 Binary 1001101000101110001101101
3 Ternary 1102000201012012
4 Quaternary 1031011301231
5 Quinary 20133134444
6 Senary 2001051005
8 Octal 115056155
10 Decimal 20208749
12 Duodecimal 6926a65
16 Hexadecimal 1345c6d
20 Vigesimal 6661h9
36 Base36 c1565

Cryptographic Hash Functions

md5 d848c1ffbe9c8f47a9fe61d08169fbcf
sha1 72d16bf4f4a77800688a126eda6fcdfabd04553c
sha256 a2b8b9f57948daaa95c04d902c9731e3d25b328f9b3fa3c6737d0920e7e46b85
sha512 85a8f9e253fc33f1066c7829a14778d3c7d974505c7d237cf94e051ebbfecc804b5f5e85b51cc1d77575beb7d827760d2577b3b5f35c10c6076c5c6e0f3c1c36
ripemd-160 6c740eb2b877178611199824d65017d5bc515b0c

20208749 as geometric shapes

Circle

Radius = n
Diameter 40417498
Circumference 126975314.79328
Area 1.2830061329267E+15

Sphere

Radius = n
Volume 3.4570598541035E+22
Surface area 5.1320245317068E+15
Circumference 126975314.79328

Square

Length = n
Perimeter 80834996
Area 408393536145001
Diagonal 28579486.914394

Cube

Length = n
Surface area 2450361216870006
Volume 8.2531224651768E+21
Space diagonal 35002580.025407

Equilateral Triangle

Length = n
Perimeter 60626247
Area 1.7683958852146E+14
Altitude 17501290.012703

Triangular Pyramid

Length = n
Surface area 1.7683958852146E+14
Volume 9.7263981018159E+20
Height 9526495.6381312