28215531 (number)

28215531 is an odd 8-digits composite number following 28215530 and preceding 28215532. In scientific notation, it is written as 2.8215531 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 18810348 positive integers (up to 28215531) that are relatively prime to 28215531.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred fifteen thousand five hundred thirty-one

Notation

Scientific notation 2.8215531 × 10^7
Engineering notation 2.8215531 × 10^6

Prime Factorization of 28215531

Prime Factorization 3 × 3 × 3135059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9405177
Product of the distinct prime numbers

The prime factorization of 28215531 is 3 × 3 × 3135059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28215531)

Multiplication

n×y
n×2 56431062
n×3 84646593
n×4 112862124
n×5 141077655

Division

n÷y
n÷2 14107765.5
n÷3 9405177
n÷3 7053882.75
n÷5 5643106.2

Exponentiation

ny
n2 796116189611961
n3 2.2462841027598E+22
n4 6.3380098736227E+29
n5 1.7883031406751E+37

Nth Root

y√n
2√n 5311.8293459033
3√n 304.4360482714
4√n 72.882297891212
5√n 30.909903241125

Divisors of 28215531

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28215530
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28215531 can be divided by 6 positive divisors. The sum of these divisors (counting 28215531) is 1, the average is 0.16666666666667.

Base conversion 28215531

Base System Value
2 Binary 1101011101000100011101011
3 Ternary 1222002111102200
4 Quaternary 1223220203223
5 Quinary 24210344111
6 Senary 2444431243
8 Octal 153504353
10 Decimal 28215531
12 Duodecimal 9548523
16 Hexadecimal 1ae88eb
20 Vigesimal 8g6igb
36 Base36 gsr8r

Cryptographic Hash Functions

md5 c4925e4872d38d484f5070268a10662e
sha1 e1f25b59fc8d3142041af83be10b37b9472bcbc7
sha256 a1a7da5513a25f9693e67169f1e30bdfe69bb5b54da8ee5b31007f181b9f16fb
sha512 6e2460224c53804b6bcd1763bc206d5abd300734b7426d2eaedb94a3758c5641d2499e2adfae142183fdbd2a791c103d5ea073181ce7b472163ca1c4cc4b8fdf
ripemd-160 f0f7bf4e1dda5fa69756c0a17215b9a7b95cde4a

28215531 as geometric shapes

Circle

Radius = n
Diameter 56431062
Circumference 177283409.81347
Area 2.5010727726888E+15

Sphere

Radius = n
Volume 9.4092128468077E+22
Surface area 1.0004291090755E+16
Circumference 177283409.81347

Square

Length = n
Perimeter 112862124
Area 796116189611961
Diagonal 39902786.609758

Cube

Length = n
Surface area 4776697137671766
Volume 2.2462841027598E+22
Space diagonal 48870733.254535

Equilateral Triangle

Length = n
Perimeter 84646593
Area 3.4472842228401E+14
Altitude 24435366.627267

Triangular Pyramid

Length = n
Surface area 3.4472842228401E+14
Volume 2.647271202555E+21
Height 13300928.86992