20149947 (number)

20149947 is an odd 8-digits composite number following 20149946 and preceding 20149948. In scientific notation, it is written as 2.0149947 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 28 positive divisors. There are 12337920 positive integers (up to 20149947) that are relatively prime to 20149947.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand nine hundred forty-seven

Notation

Scientific notation 2.0149947 × 10^7
Engineering notation 2.0149947 × 10^6

Prime Factorization of 20149947

Prime Factorization 51 × 3 × 17 × 61 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20149947
Product of the distinct prime numbers

The prime factorization of 20149947 is 51 × 3 × 17 × 61 × 127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149947)

Multiplication

n×y
n×2 40299894
n×3 60449841
n×4 80599788
n×5 100749735

Division

n÷y
n÷2 10074973.5
n÷3 6716649
n÷3 5037486.75
n÷5 4029989.4

Exponentiation

ny
n2 406020364102809
n3 8.1812888175923E+21
n4 1.6485253606618E+29
n5 3.3217698645491E+36

Nth Root

y√n
2√n 4488.8692340054
3√n 272.11843800393
4√n 66.999024127262
5√n 28.897134652079

Divisors of 20149947

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149947 can be divided by 28 positive divisors. The sum of these divisors (counting 20149947) is 1, the average is 0.035714285714286.

Base conversion 20149947

Base System Value
2 Binary 1001100110111011010111011
3 Ternary 1101220201112100
4 Quaternary 1030313122323
5 Quinary 20124244242
6 Senary 1555514443
8 Octal 114673273
10 Decimal 20149947
12 Duodecimal 68b8a23
16 Hexadecimal 13376bb
20 Vigesimal 65ieh7
36 Base36 bzvsr

Cryptographic Hash Functions

md5 8937982417c18b7fc9afa913c5f24e82
sha1 abaeb27c632465a1df424688b5b5063119a35f24
sha256 f84db97233882bffee8f4b773fe3ea433a9c5149abddb9e9a86519564cf7a53c
sha512 a99a5dd04789874b398ddb6aaf8828579df9baf9df413e14598f587bfce5a0f6c639a9879e879e33cf1471a711e1db81ece1214f71736f6ce31e051da1851497
ripemd-160 c1c9cf0c67df2fb1f0ab7a64c0dc548431b15903

20149947 as geometric shapes

Circle

Radius = n
Diameter 40299894
Circumference 126605850.93085
Area 1.2755505930732E+15

Sphere

Radius = n
Volume 3.4269702461659E+22
Surface area 5.102202372293E+15
Circumference 126605850.93085

Square

Length = n
Perimeter 80599788
Area 406020364102809
Diagonal 28496328.328499

Cube

Length = n
Surface area 2436122184616854
Volume 8.1812888175923E+21
Space diagonal 34900731.97382

Equilateral Triangle

Length = n
Perimeter 60449841
Area 1.7581197488342E+14
Altitude 17450365.98691

Triangular Pyramid

Length = n
Surface area 1.7581197488342E+14
Volume 9.6417413362753E+20
Height 9498776.1094997