20149438 (number)

20149438 is an even 8-digits composite number following 20149437 and preceding 20149439. In scientific notation, it is written as 2.0149438 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10074718 positive integers (up to 20149438) that are relatively prime to 20149438.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand four hundred thirty-eight

Notation

Scientific notation 2.0149438 × 10^7
Engineering notation 2.0149438 × 10^6

Prime Factorization of 20149438

Prime Factorization 2 × 10074719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149438
Product of the distinct prime numbers

The prime factorization of 20149438 is 2 × 10074719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149438)

Multiplication

n×y
n×2 40298876
n×3 60448314
n×4 80597752
n×5 100747190

Division

n÷y
n÷2 10074719
n÷3 6716479.3333333
n÷3 5037359.5
n÷5 4029887.6

Exponentiation

ny
n2 405999851715844
n3 8.1806688401576E+21
n4 1.6483587959329E+29
n5 3.3213503360404E+36

Nth Root

y√n
2√n 4488.8125378545
3√n 272.11614669185
4√n 66.998601014159
5√n 28.89698865874

Divisors of 20149438

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 -20149437
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 20149438 can be divided by 4 positive divisors. The sum of these divisors (counting 20149438) is 1, the average is 0.25.

Base conversion 20149438

Base System Value
2 Binary 1001100110111010010111110
3 Ternary 1101220200211111
4 Quaternary 1030313102332
5 Quinary 20124240223
6 Senary 1555512234
8 Octal 114672276
10 Decimal 20149438
12 Duodecimal 68b867a
16 Hexadecimal 13374be
20 Vigesimal 65idbi
36 Base36 bzvem

Cryptographic Hash Functions

md5 5b78ad43fcf0024520c7be8eb95dd412
sha1 70bba5da7b4bbed459e44f63de435017580cd62a
sha256 519f4740ce5a05f97577a580cd582bfcb63f2fe32c4b09499e85e9d49d28b10a
sha512 6c35c0c8e59cc85de14fc772191bb7d80683192d65e4cfc569934324fb5487d3396fb9f0b061d21da3dbf47ac8945fdacab8ab8b06dddb29d5c2749d08af6099
ripemd-160 c246a1ec6e88bbf87edaa698788011fadbd2c185

20149438 as geometric shapes

Circle

Radius = n
Diameter 40298876
Circumference 126602652.78953
Area 1.275486151509E+15

Sphere

Radius = n
Volume 3.4267105506253E+22
Surface area 5.1019446060362E+15
Circumference 126602652.78953

Square

Length = n
Perimeter 80597752
Area 405999851715844
Diagonal 28495608.493796

Cube

Length = n
Surface area 2435999110295064
Volume 8.1806688401576E+21
Space diagonal 34899850.359959

Equilateral Triangle

Length = n
Perimeter 60448314
Area 1.7580309275932E+14
Altitude 17449925.17998

Triangular Pyramid

Length = n
Surface area 1.7580309275932E+14
Volume 9.6410106858615E+20
Height 9498536.1645986