28431380 (number)

28431380 is an even 8-digits composite number following 28431379 and preceding 28431381. In scientific notation, it is written as 2.8431380 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 11372544 positive integers (up to 28431380) that are relatively prime to 28431380.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8431380 × 10^7
Engineering notation 2.8431380 × 10^6

Prime Factorization of 28431380

Prime Factorization 2 × 2 × 5 × 1421569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14215690
Product of the distinct prime numbers

The prime factorization of 28431380 is 2 × 2 × 5 × 1421569. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 93, 91, 715, 689, 6900, 5010, 20709, 31165, 96142, 734404, 6364480, 2234720, 73135823, 32709502, 645152345, 107954647, 7952327416, 1624090188

Basic calculations (n = 28431380)

Multiplication

n×y
n×2 56862760
n×3 85294140
n×4 113725520
n×5 142156900

Division

n÷y
n÷2 14215690
n÷3 9477126.6666667
n÷3 7107845
n÷5 5686276

Exponentiation

ny
n2 808343368704400
n3 2.2982317486115E+22
n4 6.5341900172838E+29
n5 1.857760393736E+37

Nth Root

y√n
2√n 5332.1084009986
3√n 305.21038964188
4√n 73.021287314033
5√n 30.957051380707

Divisors of 28431380

1, 2, 4, 5, 10, 20, 1421569, 2843138, 5686276, 7107845, 14215690, 28431380

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28431379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28431380 can be divided by 12 positive divisors. The sum of these divisors (counting 28431380) is 1, the average is 0.083333333333333.

Base conversion 28431380

Base System Value
2 Binary 1101100011101010000010100
3 Ternary 1222111110112002
4 Quaternary 1230131100110
5 Quinary 24234301010
6 Senary 2453214432
8 Octal 154352024
10 Decimal 28431380
12 Duodecimal 9631418
16 Hexadecimal 1b1d414
20 Vigesimal 8hdi90
36 Base36 gxdsk

Cryptographic Hash Functions

md5 25f9f70c189a90f9f80db9e3da50db7b
sha1 8747a54d91c1f38b2503c57b88bfedac06e1e847
sha256 60e80ba9c49c2cdb68f8d8890d80c6aa724162b18466d9b268e756eb13b968bf
sha512 65fa23902cd03414d982a6e0d9ed33a231d20d48af064c6358226be3c85f1e8cc668411b656a030f748030ce4c44c456a4a8e0056fd0732d846a19357957fa0e
ripemd-160 135e86790dac70205023ae96586b7b3bb8112688

28431380 as geometric shapes

Circle

Radius = n
Diameter 56862760
Circumference 178639629.07884
Area 2.5394855886998E+15

Sphere

Radius = n
Volume 9.6268106369129E+22
Surface area 1.0157942354799E+16
Circumference 178639629.07884

Square

Length = n
Perimeter 113725520
Area 808343368704400
Diagonal 40208043.192983

Cube

Length = n
Surface area 4850060212226400
Volume 2.2982317486115E+22
Space diagonal 49244594.689298

Equilateral Triangle

Length = n
Perimeter 85294140
Area 3.5002294613935E+14
Altitude 24622297.344649

Triangular Pyramid

Length = n
Surface area 3.5002294613935E+14
Volume 2.7084920903023E+21
Height 13402681.064328