28931288 (number)

28931288 is an even 8-digits composite number following 28931287 and preceding 28931289. In scientific notation, it is written as 2.8931288 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 14448928 positive integers (up to 28931288) that are relatively prime to 28931288.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.8931288 × 10^7
Engineering notation 2.8931288 × 10^6

Prime Factorization of 28931288

Prime Factorization 2 × 2 × 2 × 1223 × 2957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7232822
Product of the distinct prime numbers

The prime factorization of 28931288 is 2 × 2 × 2 × 1223 × 2957. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 82, 39, 353, 628, 4750, 7980, 91549, 9243, 793930, 42802, 9109425, 9698013, 43392132, 64434561, 124368917, 587832596, 1358656654, 5976006422

Basic calculations (n = 28931288)

Multiplication

n×y
n×2 57862576
n×3 86793864
n×4 115725152
n×5 144656440

Division

n÷y
n÷2 14465644
n÷3 9643762.6666667
n÷3 7232822
n÷5 5786257.6

Exponentiation

ny
n2 837019425338944
n3 2.4216050056075E+22
n4 7.0060151839474E+29
n5 2.0269304301915E+37

Nth Root

y√n
2√n 5378.7812746012
3√n 306.988841209
4√n 73.340175037977
5√n 31.065157062808

Divisors of 28931288

1, 2, 4, 8, 1223, 2446, 2957, 4892, 5914, 9784, 11828, 23656, 3616411, 7232822, 14465644, 28931288

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 -28931287
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 28931288 can be divided by 16 positive divisors. The sum of these divisors (counting 28931288) is 1, the average is 0.0625.

Base conversion 28931288

Base System Value
2 Binary 1101110010111010011011000
3 Ternary 2000102212021012
4 Quaternary 1232113103120
5 Quinary 24401300123
6 Senary 2512033052
8 Octal 156272330
10 Decimal 28931288
12 Duodecimal 9832788
16 Hexadecimal 1b974d8
20 Vigesimal 90g848
36 Base36 h83iw

Cryptographic Hash Functions

md5 6108cd6977f0dd7f3944c2e2e1f9e4fd
sha1 e93a439033d87b0d254a914db201f6ca082bcf98
sha256 8e8a22dc1a339c51e60d4d82c70eefffb48381c37b088a8404e285c9b0f69e8a
sha512 49d3d9ca3cf93b65ec13c69c1863e798dbafcbe76c34f187efb164abdc76a0f914c48747f782f24d3a5b5c1ecd4f41fcacbd574d11ad724f15ee7f26aef832fb
ripemd-160 c0a3b8d1a2814dcdeecc37a9c466c22959c64b43

28931288 as geometric shapes

Circle

Radius = n
Diameter 57862576
Circumference 181780643.67938
Area 2.6295740775568E+15

Sphere

Radius = n
Volume 1.0143595327351E+23
Surface area 1.0518296310227E+16
Circumference 181780643.67938

Square

Length = n
Perimeter 115725152
Area 837019425338944
Diagonal 40915019.866522

Cube

Length = n
Surface area 5022116552033664
Volume 2.4216050056075E+22
Space diagonal 50110460.744408

Equilateral Triangle

Length = n
Perimeter 86793864
Area 3.6244004290229E+14
Altitude 25055230.372204

Triangular Pyramid

Length = n
Surface area 3.6244004290229E+14
Volume 2.853888868034E+21
Height 13638339.955507