28931743 (number)

28931743 is an odd 8-digits composite number following 28931742 and preceding 28931744. In scientific notation, it is written as 2.8931743 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 27125280 positive integers (up to 28931743) that are relatively prime to 28931743.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred forty-three

Notation

Scientific notation 2.8931743 × 10^7
Engineering notation 2.8931743 × 10^6

Prime Factorization of 28931743

Prime Factorization 37 × 47 × 127 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931743
Product of the distinct prime numbers

The prime factorization of 28931743 is 37 × 47 × 127 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 63, 17, 941, 234, 7463, 9099, 86025, 47546, 839713, 561187, 1961623, 7472201, 69919535, 1193362, 144275782, 279918149, 221901302, 2174869196

Basic calculations (n = 28931743)

Multiplication

n×y
n×2 57863486
n×3 86795229
n×4 115726972
n×5 144658715

Division

n÷y
n÷2 14465871.5
n÷3 9643914.3333333
n÷3 7232935.75
n÷5 5786348.6

Exponentiation

ny
n2 837045753018049
n3 2.421719260556E+22
n4 7.0064559264555E+29
n5 2.0270898220504E+37

Nth Root

y√n
2√n 5378.8235702614
3√n 306.99045053002
4√n 73.34046339001
5√n 31.06525477403

Divisors of 28931743

1, 37, 47, 127, 131, 1739, 4699, 4847, 5969, 6157, 16637, 220853, 227809, 615569, 781939, 28931743

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931742
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931743 can be divided by 16 positive divisors. The sum of these divisors (counting 28931743) is 1, the average is 0.0625.

Base conversion 28931743

Base System Value
2 Binary 1101110010111011010011111
3 Ternary 2000102212220001
4 Quaternary 1232113122133
5 Quinary 24401303433
6 Senary 2512035131
8 Octal 156273237
10 Decimal 28931743
12 Duodecimal 9832aa7
16 Hexadecimal 1b9769f
20 Vigesimal 90g973
36 Base36 h83vj

Cryptographic Hash Functions

md5 f9745f8506161c03b3ddeeaff1e9149c
sha1 5eb71fd74fd6c7dc7058e537766db18fc4a6daa0
sha256 664e3106896b61b75491dd3b6813040a099178d4f3207e71154a3ff42d84ee94
sha512 d555f1e9016d84d99e65c115ddac07a788f1e6cadcb63e24e582508383cffcd5b23e4d51f3e0b6a9035098b558153a3a1f0f52edac1dee2f96794c6929e5d1ce
ripemd-160 b38178595c21b7767bb748e8ec9170075b3b6e18

28931743 as geometric shapes

Circle

Radius = n
Diameter 57863486
Circumference 181783502.5287
Area 2.6296567884E+15

Sphere

Radius = n
Volume 1.0144073917359E+23
Surface area 1.05186271536E+16
Circumference 181783502.5287

Square

Length = n
Perimeter 115726972
Area 837045753018049
Diagonal 40915663.333693

Cube

Length = n
Surface area 5022274518108294
Volume 2.421719260556E+22
Space diagonal 50111248.827525

Equilateral Triangle

Length = n
Perimeter 86795229
Area 3.6245144312175E+14
Altitude 25055624.413763

Triangular Pyramid

Length = n
Surface area 3.6245144312175E+14
Volume 2.854023518782E+21
Height 13638554.444564