28388216 (number)

28388216 is an even 8-digits composite number following 28388215 and preceding 28388217. In scientific notation, it is written as 2.8388216 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 13704544 positive integers (up to 28388216) that are relatively prime to 28388216.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-eight thousand two hundred sixteen

Notation

Scientific notation 2.8388216 × 10^7
Engineering notation 2.8388216 × 10^6

Prime Factorization of 28388216

Prime Factorization 2 × 2 × 2 × 29 × 122363

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7097054
Product of the distinct prime numbers

The prime factorization of 28388216 is 2 × 2 × 2 × 29 × 122363. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28388216)

Multiplication

n×y
n×2 56776432
n×3 85164648
n×4 113552864
n×5 141941080

Division

n÷y
n÷2 14194108
n÷3 9462738.6666667
n÷3 7097054
n÷5 5677643.2

Exponentiation

ny
n2 805890807662656
n3 2.2877802320342E+22
n4 6.4945999387517E+29
n5 1.8437010589487E+37

Nth Root

y√n
2√n 5328.0593089792
3√n 305.05585647255
4√n 72.993556626453
5√n 30.94764598173

Divisors of 28388216

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 -28388215
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 28388216 can be divided by 16 positive divisors. The sum of these divisors (counting 28388216) is 1, the average is 0.0625.

Base conversion 28388216

Base System Value
2 Binary 1101100010010101101111000
3 Ternary 1222102021022102
4 Quaternary 1230102231320
5 Quinary 24231410331
6 Senary 2452242532
8 Octal 154225570
10 Decimal 28388216
12 Duodecimal 9610448
16 Hexadecimal 1b12b78
20 Vigesimal 8h8aag
36 Base36 gwghk

Cryptographic Hash Functions

md5 e3836e8ce36376cad6b2410f75eb2bc0
sha1 76baa064e45babb825c0ccdb89577a80b685ddc9
sha256 1b09843f2e55835ea95da9e89200647e50150a2b9fbf56b622a91972b472f73e
sha512 fc25018c590da9eadccd26196edb795fb5c7b69ad8d8fd186697580e1805ca6c323db4e3cd442878af051fc3a13c0768c937eafb029302cd86c76cd0ac377a4f
ripemd-160 0238cd83fa4d87845143efbf0cc62fcebeb17ecd

28388216 as geometric shapes

Circle

Radius = n
Diameter 56776432
Circumference 178368421.66824
Area 2.5317806409485E+15

Sphere

Radius = n
Volume 9.5830314266488E+22
Surface area 1.0127122563794E+16
Circumference 178368421.66824

Square

Length = n
Perimeter 113552864
Area 805890807662656
Diagonal 40147000.078777

Cube

Length = n
Surface area 4835344845975936
Volume 2.2877802320342E+22
Space diagonal 49169832.44824

Equilateral Triangle

Length = n
Perimeter 85164648
Area 3.4896095605611E+14
Altitude 24584916.22412

Triangular Pyramid

Length = n
Surface area 3.4896095605611E+14
Volume 2.6961748598932E+21
Height 13382333.359592