28931760 (number)

28931760 is an even 8-digits composite number following 28931759 and preceding 28931761. In scientific notation, it is written as 2.8931760 × 10^7. The sum of its digits is 36. It has a total of 9 prime factors and 160 positive divisors. There are 6451200 positive integers (up to 28931760) that are relatively prime to 28931760.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred sixty

Notation

Scientific notation 2.8931760 × 10^7
Engineering notation 2.8931760 × 10^6

Prime Factorization of 28931760

Prime Factorization 2 × 2 × 2 × 2 × 5 × 9 × 281 × 11 × 13

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 3616470
Product of the distinct prime numbers

The prime factorization of 28931760 is 2 × 2 × 2 × 2 × 5 × 9 × 281 × 11 × 13. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931760)

Multiplication

n×y
n×2 57863520
n×3 86795280
n×4 115727040
n×5 144658800

Division

n÷y
n÷2 14465880
n÷3 9643920
n÷3 7232940
n÷5 5786352

Exponentiation

ny
n2 837046736697600
n3 2.4217235294918E+22
n4 7.006472394161E+29
n5 2.0270957775449E+37

Nth Root

y√n
2√n 5378.8251505324
3√n 306.99051065817
4√n 73.340474163537
5√n 31.065258424755

Divisors of 28931760

160 divisors

τ Total Divisors 160
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931759
Sum of the proper positive divisors of n
A Arithmetic Mean 0.00625
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 160
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931760 can be divided by 160 positive divisors. The sum of these divisors (counting 28931760) is 1, the average is 0.00625.

Base conversion 28931760

Base System Value
2 Binary 1101110010111011010110000
3 Ternary 2000102212220200
4 Quaternary 1232113122300
5 Quinary 24401304020
6 Senary 2512035200
8 Octal 156273260
10 Decimal 28931760
12 Duodecimal 9832b00
16 Hexadecimal 1b976b0
20 Vigesimal 90g980
36 Base36 h83w0

Cryptographic Hash Functions

md5 0e99cd854db8ea06d7d9f4e51dd18d33
sha1 a9564eeb9ba2fbcd8db7a8370c1ba37d5f8b46de
sha256 6605af9582823dbb9be7dac8388aa083182891fd9daa8a90860e7235925d6b03
sha512 d06a1f0a549bdc5aa9034217b5e801d86483f7e1a0cec4c6d856d0318751665a3bce775e8527ec6ed2bbf47e521efadabd7246a8fbf3f427a4bcab11d09acb27
ripemd-160 c97fb7b3b2e8b3db67e094318c1bf18c4d1b8971

28931760 as geometric shapes

Circle

Radius = n
Diameter 57863520
Circumference 181783609.34285
Area 2.6296598787205E+15

Sphere

Radius = n
Volume 1.0144091799036E+23
Surface area 1.0518639514882E+16
Circumference 181783609.34285

Square

Length = n
Perimeter 115727040
Area 837046736697600
Diagonal 40915687.375323

Cube

Length = n
Surface area 5022280420185600
Volume 2.4217235294918E+22
Space diagonal 50111278.272389

Equilateral Triangle

Length = n
Perimeter 86795280
Area 3.6245186906749E+14
Altitude 25055639.136194

Triangular Pyramid

Length = n
Surface area 3.6245186906749E+14
Volume 2.8540285497711E+21
Height 13638562.458441