28157055 (number)

28157055 is an odd 8-digits composite number following 28157054 and preceding 28157056. In scientific notation, it is written as 2.8157055 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 15017088 positive integers (up to 28157055) that are relatively prime to 28157055.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-seven thousand fifty-five

Notation

Scientific notation 2.8157055 × 10^7
Engineering notation 2.8157055 × 10^6

Prime Factorization of 28157055

Prime Factorization 15 × 1877137

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28157055
Product of the distinct prime numbers

The prime factorization of 28157055 is 15 × 1877137. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28157055)

Multiplication

n×y
n×2 56314110
n×3 84471165
n×4 112628220
n×5 140785275

Division

n÷y
n÷2 14078527.5
n÷3 9385685
n÷3 7039263.75
n÷5 5631411

Exponentiation

ny
n2 792819746273025
n3 2.2323469200896E+22
n4 6.2856315008042E+29
n5 1.7698487187788E+37

Nth Root

y√n
2√n 5306.3221726541
3√n 304.22559071939
4√n 72.844506811798
5√n 30.897080602718

Divisors of 28157055

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 -28157054
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 28157055 can be divided by 4 positive divisors. The sum of these divisors (counting 28157055) is 1, the average is 0.25.

Base conversion 28157055

Base System Value
2 Binary 1101011011010010001111111
3 Ternary 1221222112012220
4 Quaternary 1223122101333
5 Quinary 24202011210
6 Senary 2443300423
8 Octal 153322177
10 Decimal 28157055
12 Duodecimal 951a713
16 Hexadecimal 1ada47f
20 Vigesimal 8fjccf
36 Base36 gri4f

Cryptographic Hash Functions

md5 3572f581cd1a614450344c9066f779c4
sha1 db0d3d1e5083f704796cf6eaf747a030a80418f3
sha256 0a4173adb360c15e02df20b87d2a8ed8f013d911b99d3135b250aab00429c2e8
sha512 5d92f088a707323a564cc4b43b68ac0cc81439466e7d7e5b616344a2fa0232606f9ab7c9770099d50f65e65b30e5da01a7c3673042abb7fce3c2f3e35ef11061
ripemd-160 f4b6885eb6eb12a4a3c04251883c04262e256319

28157055 as geometric shapes

Circle

Radius = n
Diameter 56314110
Circumference 176915994.26945
Area 2.4907166905123E+15

Sphere

Radius = n
Volume 9.3508329125562E+22
Surface area 9.962866762049E+15
Circumference 176915994.26945

Square

Length = n
Perimeter 112628220
Area 792819746273025
Diagonal 39820089.057485

Cube

Length = n
Surface area 4756918477638150
Volume 2.2323469200896E+22
Space diagonal 48769449.851511

Equilateral Triangle

Length = n
Perimeter 84471165
Area 3.4330102044719E+14
Altitude 24384724.925756

Triangular Pyramid

Length = n
Surface area 3.4330102044719E+14
Volume 2.6308460752604E+21
Height 13273363.019162