28931055 (number)

28931055 is an odd 8-digits composite number following 28931054 and preceding 28931056. In scientific notation, it is written as 2.8931055 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 15380640 positive integers (up to 28931055) that are relatively prime to 28931055.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand fifty-five

Notation

Scientific notation 2.8931055 × 10^7
Engineering notation 2.8931055 × 10^6

Prime Factorization of 28931055

Prime Factorization 5 × 3 × 331 × 5827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931055
Product of the distinct prime numbers

The prime factorization of 28931055 is 5 × 3 × 331 × 5827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931055)

Multiplication

n×y
n×2 57862110
n×3 86793165
n×4 115724220
n×5 144655275

Division

n÷y
n÷2 14465527.5
n÷3 9643685
n÷3 7232763.75
n÷5 5786211

Exponentiation

ny
n2 837005943413025
n3 2.4215464984209E+22
n4 7.0057894930873E+29
n5 2.0268488114293E+37

Nth Root

y√n
2√n 5378.759615376
3√n 306.98801708862
4√n 73.34002737507
5√n 31.065107025596

Divisors of 28931055

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 -28931054
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 28931055 can be divided by 16 positive divisors. The sum of these divisors (counting 28931055) is 1, the average is 0.0625.

Base conversion 28931055

Base System Value
2 Binary 1101110010111001111101111
3 Ternary 2000102211221120
4 Quaternary 1232113033233
5 Quinary 24401243210
6 Senary 2512032023
8 Octal 156271757
10 Decimal 28931055
12 Duodecimal 9832613
16 Hexadecimal 1b973ef
20 Vigesimal 90g7cf
36 Base36 h83cf

Cryptographic Hash Functions

md5 6ade6595fb0bc2038d5984aa0aafba59
sha1 3f0f63b2b3c725870f0fb8c455e86fa87dcf6175
sha256 9349d92d9477f65cbba4f00c5aa792e74b64e2d8e910df0a015233880dee1b8e
sha512 ccc0e933775f771999db86fb00926f105080cd806f2585c84aef6f09de3438965c1b5c4b98fa7f41aac59f23703e4830d2efe51ea1943aefb20868690858788e
ripemd-160 f90912a81c977b8f55b5534496b90ce37f6f9ae0

28931055 as geometric shapes

Circle

Radius = n
Diameter 57862110
Circumference 181779179.6972
Area 2.6295317228374E+15

Sphere

Radius = n
Volume 1.014335025302E+23
Surface area 1.0518126891349E+16
Circumference 181779179.6972

Square

Length = n
Perimeter 115724220
Area 837005943413025
Diagonal 40914690.354762

Cube

Length = n
Surface area 5022035660478150
Volume 2.4215464984209E+22
Space diagonal 50110057.17657

Equilateral Triangle

Length = n
Perimeter 86793165
Area 3.6243420505712E+14
Altitude 25055028.588285

Triangular Pyramid

Length = n
Surface area 3.6243420505712E+14
Volume 2.8538199166533E+21
Height 13638230.118254