28431378 (number)

28431378 is an even 8-digits composite number following 28431377 and preceding 28431379. In scientific notation, it is written as 2.8431378 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 8919360 positive integers (up to 28431378) that are relatively prime to 28431378.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-one thousand three hundred seventy-eight

Notation

Scientific notation 2.8431378 × 10^7
Engineering notation 2.8431378 × 10^6

Prime Factorization of 28431378

Prime Factorization 2 × 3 × 9 × 17 × 30971

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28431378
Product of the distinct prime numbers

The prime factorization of 28431378 is 2 × 3 × 9 × 17 × 30971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28431378)

Multiplication

n×y
n×2 56862756
n×3 85294134
n×4 113725512
n×5 142156890

Division

n÷y
n÷2 14215689
n÷3 9477126
n÷3 7107844.5
n÷5 5686275.6

Exponentiation

ny
n2 808343254978884
n3 2.2982312636055E+22
n4 6.5341881786986E+29
n5 1.8577597403171E+37

Nth Root

y√n
2√n 5332.1082134555
3√n 305.21038248523
4√n 73.021286029866
5√n 30.957050945174

Divisors of 28431378

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28431377
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28431378 can be divided by 32 positive divisors. The sum of these divisors (counting 28431378) is 1, the average is 0.03125.

Base conversion 28431378

Base System Value
2 Binary 1101100011101010000010010
3 Ternary 1222111110112000
4 Quaternary 1230131100102
5 Quinary 24234301003
6 Senary 2453214430
8 Octal 154352022
10 Decimal 28431378
12 Duodecimal 9631416
16 Hexadecimal 1b1d412
20 Vigesimal 8hdi8i
36 Base36 gxdsi

Cryptographic Hash Functions

md5 73ddef4079b07903bd44e057772e371f
sha1 83428b905ebe1a4929a62ff2d5500eecc68cf78e
sha256 75a023a092b663233e8af84d0bfc754a3d6e7e0e5310cce771f89c0663c19465
sha512 787bb7c51e1f5c7724db0db9c3b58a77d3f7e1016da33803aac062aa0170486913912a0e75cb998c2e98d12aa01a6eba1a853c4a493f32b9ec812824969c3d2f
ripemd-160 29270eefd80bc72190a6fecf56435f9fdd0165d7

28431378 as geometric shapes

Circle

Radius = n
Diameter 56862756
Circumference 178639616.51247
Area 2.5394852314205E+15

Sphere

Radius = n
Volume 9.6268086053246E+22
Surface area 1.0157940925682E+16
Circumference 178639616.51247

Square

Length = n
Perimeter 113725512
Area 808343254978884
Diagonal 40208040.364556

Cube

Length = n
Surface area 4850059529873304
Volume 2.2982312636055E+22
Space diagonal 49244591.225196

Equilateral Triangle

Length = n
Perimeter 85294134
Area 3.5002289689476E+14
Altitude 24622295.612598

Triangular Pyramid

Length = n
Surface area 3.5002289689476E+14
Volume 2.7084915187173E+21
Height 13402680.121519