28888915 (number)

28888915 is an odd 8-digits composite number following 28888914 and preceding 28888916. In scientific notation, it is written as 2.8888915 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 21010080 positive integers (up to 28888915) that are relatively prime to 28888915.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-eight thousand nine hundred fifteen

Notation

Scientific notation 2.8888915 × 10^7
Engineering notation 2.8888915 × 10^6

Prime Factorization of 28888915

Prime Factorization 55 × 525253

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28888915
Product of the distinct prime numbers

The prime factorization of 28888915 is 55 × 525253. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888915)

Multiplication

n×y
n×2 57777830
n×3 86666745
n×4 115555660
n×5 144444575

Division

n÷y
n÷2 14444457.5
n÷3 9629638.3333333
n÷3 7222228.75
n÷5 5777783

Exponentiation

ny
n2 834569409877225
n3 2.4109804743543E+22
n4 6.9650609990282E+29
n5 2.0121305517074E+37

Nth Root

y√n
2√n 5374.8409278787
3√n 306.83889519553
4√n 73.313306622186
5√n 31.056052070745

Divisors of 28888915

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 -28888914
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 28888915 can be divided by 4 positive divisors. The sum of these divisors (counting 28888915) is 1, the average is 0.25.

Base conversion 28888915

Base System Value
2 Binary 1101110001100111101010011
3 Ternary 2000100201010211
4 Quaternary 1232030331103
5 Quinary 24343421130
6 Senary 2511104551
8 Octal 156147523
10 Decimal 28888915
12 Duodecimal 9812157
16 Hexadecimal 1b8cf53
20 Vigesimal 90b25f
36 Base36 h76tv

Cryptographic Hash Functions

md5 c031274c9649fbce8a294052a6f3a79d
sha1 b311232dd9414f1e5fa87c1fe42cf9598111159e
sha256 a4a96c894c07ba370bca13456fc582ae604bd4c821d6ff6db26cb4f3d84a0451
sha512 d381792422d667127c583d6b788b6294735d3bdde178fa0c1c55fab1f26d5f2f2d5854a29f6a6e2cb824e08f549551270e6adc4343f14a6521cfc3d570fa003e
ripemd-160 74958e2b8a75124dd9314d7e37d05fedeb0c7f24

28888915 as geometric shapes

Circle

Radius = n
Diameter 57777830
Circumference 181514406.26836
Area 2.6218771269811E+15

Sphere

Radius = n
Volume 1.0099091394907E+23
Surface area 1.0487508507924E+16
Circumference 181514406.26836

Square

Length = n
Perimeter 115555660
Area 834569409877225
Diagonal 40855095.395244

Cube

Length = n
Surface area 5007416459263350
Volume 2.4109804743543E+22
Space diagonal 50037068.555539

Equilateral Triangle

Length = n
Perimeter 86666745
Area 3.6137915508753E+14
Altitude 25018534.277769

Triangular Pyramid

Length = n
Surface area 3.6137915508753E+14
Volume 2.8413677378738E+21
Height 13618365.131748