28742458 (number)

28742458 is an even 8-digits composite number following 28742457 and preceding 28742459. In scientific notation, it is written as 2.8742458 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 14222976 positive integers (up to 28742458) that are relatively prime to 28742458.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand four hundred fifty-eight

Notation

Scientific notation 2.8742458 × 10^7
Engineering notation 2.8742458 × 10^6

Prime Factorization of 28742458

Prime Factorization 2 × 97 × 148157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28742458
Product of the distinct prime numbers

The prime factorization of 28742458 is 2 × 97 × 148157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742458)

Multiplication

n×y
n×2 57484916
n×3 86227374
n×4 114969832
n×5 143712290

Division

n÷y
n÷2 14371229
n÷3 9580819.3333333
n÷3 7185614.5
n÷5 5748491.6

Exponentiation

ny
n2 826128891881764
n3 2.3744974977498E+22
n4 6.8248894600179E+29
n5 1.9616409865921E+37

Nth Root

y√n
2√n 5361.1993061254
3√n 306.31949343404
4√n 73.220211049446
5√n 31.024499290975

Divisors of 28742458

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 -28742457
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 28742458 can be divided by 8 positive divisors. The sum of these divisors (counting 28742458) is 1, the average is 0.125.

Base conversion 28742458

Base System Value
2 Binary 1101101101001001100111010
3 Ternary 2000002021020111
4 Quaternary 1231221030322
5 Quinary 24324224313
6 Senary 2504014534
8 Octal 155511472
10 Decimal 28742458
12 Duodecimal 976144a
16 Hexadecimal 1b6933a
20 Vigesimal 8jcg2i
36 Base36 h41tm

Cryptographic Hash Functions

md5 e1dc4c201fc2f3f0b7f7ac7f7f37c624
sha1 7fb228863cfe0ff3fb576a8f484ff8938544546d
sha256 f0bcfe9d333c7b3778b3a1c829bef2ea054d8e42de2c99e09dd92585b396b320
sha512 f9a1772a8b6b41207305c3941db2cf509dea84e3f9e263482ddc4106a336ec8cd9df2785e0946b1958e01fe19b0517cdc081e44e0387f92d607dd894eeeacc40
ripemd-160 08f57fbb4add9adee3f0c4ec3bffed739ff62f31

28742458 as geometric shapes

Circle

Radius = n
Diameter 57484916
Circumference 180594189.79783
Area 2.595360457654E+15

Sphere

Radius = n
Volume 9.9462718598642E+22
Surface area 1.0381441830616E+16
Circumference 180594189.79783

Square

Length = n
Perimeter 114969832
Area 826128891881764
Diagonal 40647973.919539

Cube

Length = n
Surface area 4956773351290584
Volume 2.3744974977498E+22
Space diagonal 49783397.590415

Equilateral Triangle

Length = n
Perimeter 86227374
Area 3.5772430358495E+14
Altitude 24891698.795207

Triangular Pyramid

Length = n
Surface area 3.5772430358495E+14
Volume 2.7983721376156E+21
Height 13549324.639846