28388615 (number)

28388615 is an odd 8-digits composite number following 28388614 and preceding 28388616. In scientific notation, it is written as 2.8388615 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 22710888 positive integers (up to 28388615) that are relatively prime to 28388615.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-eight thousand six hundred fifteen

Notation

Scientific notation 2.8388615 × 10^7
Engineering notation 2.8388615 × 10^6

Prime Factorization of 28388615

Prime Factorization 5 × 5677723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28388615
Product of the distinct prime numbers

The prime factorization of 28388615 is 5 × 5677723. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28388615)

Multiplication

n×y
n×2 56777230
n×3 85165845
n×4 113554460
n×5 141943075

Division

n÷y
n÷2 14194307.5
n÷3 9462871.6666667
n÷3 7097153.75
n÷5 5677723

Exponentiation

ny
n2 805913461618225
n3 2.2878766985197E+22
n4 6.4949650761747E+29
n5 1.8438306298597E+37

Nth Root

y√n
2√n 5328.0967521245
3√n 305.05728566552
4√n 72.99381310854
5√n 30.947732975864

Divisors of 28388615

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28388614
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28388615 can be divided by 4 positive divisors. The sum of these divisors (counting 28388615) is 1, the average is 0.25.

Base conversion 28388615

Base System Value
2 Binary 1101100010010110100000111
3 Ternary 1222102021212012
4 Quaternary 1230102310013
5 Quinary 24231413430
6 Senary 2452244435
8 Octal 154226407
10 Decimal 28388615
12 Duodecimal 961071b
16 Hexadecimal 1b12d07
20 Vigesimal 8h8baf
36 Base36 gwgsn

Cryptographic Hash Functions

md5 eba6f657d0d5657458b2a78e2133675b
sha1 3b20286ec27288c25afeb4803aed1820be5d0ee8
sha256 709c0f1c6808aeec7a2eb6a8cabb479b50fab08588a98bc71cff72ccf4c94d89
sha512 322667b527daaa2251d969742b1632f315fe08e039d72edaddcb54ac8e3c587978d313d46711c1d8f292ef203cccc7bc0a8b40548625e9e6c94f6f847e1a4a7c
ripemd-160 3401a896be14174f99b2037d8b8f5d63d6bf9698

28388615 as geometric shapes

Circle

Radius = n
Diameter 56777230
Circumference 178370928.65918
Area 2.5318518104489E+15

Sphere

Radius = n
Volume 9.5834355045184E+22
Surface area 1.0127407241796E+16
Circumference 178370928.65918

Square

Length = n
Perimeter 113554460
Area 805913461618225
Diagonal 40147564.349988

Cube

Length = n
Surface area 4835480769709350
Volume 2.2878766985197E+22
Space diagonal 49170523.536512

Equilateral Triangle

Length = n
Perimeter 85165845
Area 3.4897076550662E+14
Altitude 24585261.768256

Triangular Pyramid

Length = n
Surface area 3.4897076550662E+14
Volume 2.6962885467366E+21
Height 13382521.449996