28557072 (number)

28557072 is an even 8-digits composite number following 28557071 and preceding 28557073. In scientific notation, it is written as 2.8557072 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 30 positive divisors. There are 9518976 positive integers (up to 28557072) that are relatively prime to 28557072.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred fifty-seven thousand seventy-two

Notation

Scientific notation 2.8557072 × 10^7
Engineering notation 2.8557072 × 10^6

Prime Factorization of 28557072

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 198313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1189878
Product of the distinct prime numbers

The prime factorization of 28557072 is 2 × 2 × 2 × 2 × 3 × 3 × 198313. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28557072)

Multiplication

n×y
n×2 57114144
n×3 85671216
n×4 114228288
n×5 142785360

Division

n÷y
n÷2 14278536
n÷3 9519024
n÷3 7139268
n÷5 5711414.4

Exponentiation

ny
n2 815506361213184
n3 2.3288473873623E+22
n4 6.6505062517917E+29
n5 1.8991898586887E+37

Nth Root

y√n
2√n 5343.8817352183
3√n 305.65949564843
4√n 73.101858630395
5√n 30.984374649077

Divisors of 28557072

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28557071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28557072 can be divided by 30 positive divisors. The sum of these divisors (counting 28557072) is 1, the average is 0.033333333333333.

Base conversion 28557072

Base System Value
2 Binary 1101100111011111100010000
3 Ternary 1222201211221100
4 Quaternary 1230323330100
5 Quinary 24302311242
6 Senary 2500024400
8 Octal 154737420
10 Decimal 28557072
12 Duodecimal 9692100
16 Hexadecimal 1b3bf10
20 Vigesimal 8i9cdc
36 Base36 h02s0

Cryptographic Hash Functions

md5 742e0a09afb52bc191df70d130a2df73
sha1 3d0bf45a78769dfd4209c17408a56aa6675497d2
sha256 bbd983a7a44e9e956092f539cae09078f5ef1099ef3a61ed069ad9ae4b4bfbe6
sha512 299bd42647f6fa1af411dc80057acfa1085a80e36acca28a3d3d9fabdc383dd90c7b7b6c4d3e91957cbe776062b4a374dabee45e51055161ef8c8650bd398ced
ripemd-160 528319387e45b984bbe690eff182679d6c425d3d

28557072 as geometric shapes

Circle

Radius = n
Diameter 57114144
Circumference 179429375.20647
Area 2.5619887933431E+15

Sphere

Radius = n
Volume 9.7550531246255E+22
Surface area 1.0247955173372E+16
Circumference 179429375.20647

Square

Length = n
Perimeter 114228288
Area 815506361213184
Diagonal 40385798.524065

Cube

Length = n
Surface area 4893038167279104
Volume 2.3288473873623E+22
Space diagonal 49462299.619403

Equilateral Triangle

Length = n
Perimeter 85671216
Area 3.5312461287921E+14
Altitude 24731149.809701

Triangular Pyramid

Length = n
Surface area 3.5312461287921E+14
Volume 2.7445729665874E+21
Height 13461932.841355