20149381 (number)

20149381 is an odd 8-digits composite number following 20149380 and preceding 20149382. In scientific notation, it is written as 2.0149381 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16944720 positive integers (up to 20149381) that are relatively prime to 20149381.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand three hundred eighty-one

Notation

Scientific notation 2.0149381 × 10^7
Engineering notation 2.0149381 × 10^6

Prime Factorization of 20149381

Prime Factorization 7 × 53 × 54311

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149381
Product of the distinct prime numbers

The prime factorization of 20149381 is 7 × 53 × 54311. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149381)

Multiplication

n×y
n×2 40298762
n×3 60448143
n×4 80597524
n×5 100746905

Division

n÷y
n÷2 10074690.5
n÷3 6716460.3333333
n÷3 5037345.25
n÷5 4029876.2

Exponentiation

ny
n2 405997554683161
n3 8.1805994143793E+21
n4 1.6483401440871E+29
n5 3.3213033580805E+36

Nth Root

y√n
2√n 4488.8061887321
3√n 272.1158900985
4√n 66.998553631643
5√n 28.896972309597

Divisors of 20149381

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149381 can be divided by 8 positive divisors. The sum of these divisors (counting 20149381) is 1, the average is 0.125.

Base conversion 20149381

Base System Value
2 Binary 1001100110111010010000101
3 Ternary 1101220200202101
4 Quaternary 1030313102011
5 Quinary 20124240011
6 Senary 1555512101
8 Octal 114672205
10 Decimal 20149381
12 Duodecimal 68b8631
16 Hexadecimal 1337485
20 Vigesimal 65id91
36 Base36 bzvd1

Cryptographic Hash Functions

md5 908fb5d46d0e1b2e720ff382808e8f6b
sha1 b13f0bbccac3d511b934b2e700927b9c8d1a99ce
sha256 592244a023695516df0afa00b7576868ea8f637a865e307c309bd88fb29b142b
sha512 789f052a22be4fcac75bbceb6b3f734a04dea61c5b9a787ca3bbdd69c26efeb8086148d38ce2263bb27514dcdb94337c77aad9cc4c3f8d65d5092a5fd54727e4
ripemd-160 6c936870fd373790071bc1380a4271d32a232661

20149381 as geometric shapes

Circle

Radius = n
Diameter 40298762
Circumference 126602294.64796
Area 1.275478935168E+15

Sphere

Radius = n
Volume 3.4266814696233E+22
Surface area 5.1019157406722E+15
Circumference 126602294.64796

Square

Length = n
Perimeter 80597524
Area 405997554683161
Diagonal 28495527.883623

Cube

Length = n
Surface area 2435985328098966
Volume 8.1805994143793E+21
Space diagonal 34899751.633063

Equilateral Triangle

Length = n
Perimeter 60448143
Area 1.7580209811499E+14
Altitude 17449875.816531

Triangular Pyramid

Length = n
Surface area 1.7580209811499E+14
Volume 9.6409288667972E+20
Height 9498509.2945409