28897768 (number)

28897768 is an even 8-digits composite number following 28897767 and preceding 28897769. In scientific notation, it is written as 2.8897768 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 8 positive divisors. There are 14448880 positive integers (up to 28897768) that are relatively prime to 28897768.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety-seven thousand seven hundred sixty-eight

Notation

Scientific notation 2.8897768 × 10^7
Engineering notation 2.8897768 × 10^6

Prime Factorization of 28897768

Prime Factorization 2 × 2 × 2 × 3612221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7224442
Product of the distinct prime numbers

The prime factorization of 28897768 is 2 × 2 × 2 × 3612221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 10, 7, 87, 266, 174, 6331, 4012, 18118, 91011, 14498, 168213, 827335, 1900859, 93836400, 39686317, 588400559, 726657414, 31476137, 1794085528

Basic calculations (n = 28897768)

Multiplication

n×y
n×2 57795536
n×3 86693304
n×4 115591072
n×5 144488840

Division

n÷y
n÷2 14448884
n÷3 9632589.3333333
n÷3 7224442
n÷5 5779553.6

Exponentiation

ny
n2 835080995381824
n3 2.4131976865753E+22
n4 6.973602688479E+29
n5 2.0152155261584E+37

Nth Root

y√n
2√n 5375.6644240503
3√n 306.87023555914
4√n 73.318922687464
5√n 31.057955261177

Divisors of 28897768

1, 2, 4, 8, 3612221, 7224442, 14448884, 28897768

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28897767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28897768 can be divided by 8 positive divisors. The sum of these divisors (counting 28897768) is 1, the average is 0.125.

Base conversion 28897768

Base System Value
2 Binary 1101110001111000111101000
3 Ternary 2000101011021201
4 Quaternary 1232033013220
5 Quinary 24344212033
6 Senary 2511213544
8 Octal 156170750
10 Decimal 28897768
12 Duodecimal 98172b4
16 Hexadecimal 1b8f1e8
20 Vigesimal 90c488
36 Base36 h7dns

Cryptographic Hash Functions

md5 23c2c916d9f1ff0b0261fefb7852ebf2
sha1 56588ece6d83aae5c1fa18325624c114a44e31e3
sha256 cf5b44034724b4cbbbf8f9483b8ee7333a648bd1e10688171f3482333fe8e8fe
sha512 6e206438816917175027500b830ecaf96fe3cf44b60a9135d774e0ce1ff3659b346b8550abe771dc430a1aa8481847c22a043b19952ca27ad3dc9a5c4ebc6a60
ripemd-160 31d30356eb727c36eb5c791c1f9d64497832b8fe

28897768 as geometric shapes

Circle

Radius = n
Diameter 57795536
Circumference 181570031.30788
Area 2.623484320244E+15

Sphere

Radius = n
Volume 1.010837883174E+23
Surface area 1.0493937280976E+16
Circumference 181570031.30788

Square

Length = n
Perimeter 115591072
Area 835080995381824
Diagonal 40867615.427911

Cube

Length = n
Surface area 5010485972290944
Volume 2.4131976865753E+22
Space diagonal 50052402.401338

Equilateral Triangle

Length = n
Perimeter 86693304
Area 3.6160067810913E+14
Altitude 25026201.200669

Triangular Pyramid

Length = n
Surface area 3.6160067810913E+14
Volume 2.8439807475351E+21
Height 13622538.47597