28890908 (number)

28890908 is an even 8-digits composite number following 28890907 and preceding 28890909. In scientific notation, it is written as 2.8890908 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 14418672 positive integers (up to 28890908) that are relatively prime to 28890908.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety thousand nine hundred eight

Notation

Scientific notation 2.8890908 × 10^7
Engineering notation 2.8890908 × 10^6

Prime Factorization of 28890908

Prime Factorization 2 × 2 × 563 × 12829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14445454
Product of the distinct prime numbers

The prime factorization of 28890908 is 2 × 2 × 563 × 12829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 64, 3, 793, 980, 6018, 9878, 13974, 71540, 834861, 446868, 6923053, 23925, 22354427, 999165, 357782060, 703348556, 2595296000, 3050956061

Basic calculations (n = 28890908)

Multiplication

n×y
n×2 57781816
n×3 86672724
n×4 115563632
n×5 144454540

Division

n÷y
n÷2 14445454
n÷3 9630302.6666667
n÷3 7222727
n÷5 5778181.6

Exponentiation

ny
n2 834684565064464
n3 2.4114794978297E+22
n4 6.9669832315685E+29
n5 2.0128247158079E+37

Nth Root

y√n
2√n 5375.0263255169
3√n 306.84595114133
4√n 73.314571031391
5√n 31.056480560384

Divisors of 28890908

1, 2, 4, 563, 1126, 2252, 12829, 25658, 51316, 7222727, 14445454, 28890908

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 -28890907
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 28890908 can be divided by 12 positive divisors. The sum of these divisors (counting 28890908) is 1, the average is 0.083333333333333.

Base conversion 28890908

Base System Value
2 Binary 1101110001101011100011100
3 Ternary 2000100210212122
4 Quaternary 1232031130130
5 Quinary 24344002113
6 Senary 2511122112
8 Octal 156153434
10 Decimal 28890908
12 Duodecimal 9813338
16 Hexadecimal 1b8d71c
20 Vigesimal 90b758
36 Base36 h78d8

Cryptographic Hash Functions

md5 8ff100902bf41778574aa268d2463187
sha1 7499a621ea4a78fef27366f56c4fc686abf23a66
sha256 aec7a5a3dbd51c37a074bccd511ddf60cf00461f6be3df2a9e62d0be40b8e50c
sha512 e76e5ba4f9ad3089baa2ec9d862abe468825eb3f827b3cdf7f33981e1e1b0ce803d3ca0e1f7ea44d3719069f4704b79aa7a315f7641652cb3b28f43ae197ea9a
ripemd-160 d1dec4b9fec4c770ec1ae7300c214aaf96c13a5c

28890908 as geometric shapes

Circle

Radius = n
Diameter 57781816
Circumference 181526928.65668
Area 2.6222388976713E+15

Sphere

Radius = n
Volume 1.0101181699552E+23
Surface area 1.0488955590685E+16
Circumference 181526928.65668

Square

Length = n
Perimeter 115563632
Area 834684565064464
Diagonal 40857913.922873

Cube

Length = n
Surface area 5008107390386784
Volume 2.4114794978297E+22
Space diagonal 50040520.532798

Equilateral Triangle

Length = n
Perimeter 86672724
Area 3.614290187463E+14
Altitude 25020260.266399

Triangular Pyramid

Length = n
Surface area 3.614290187463E+14
Volume 2.8419558426796E+21
Height 13619304.640958