28391572 (number)

28391572 is an even 8-digits composite number following 28391571 and preceding 28391573. In scientific notation, it is written as 2.8391572 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 12629760 positive integers (up to 28391572) that are relatively prime to 28391572.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-one thousand five hundred seventy-two

Notation

Scientific notation 2.8391572 × 10^7
Engineering notation 2.8391572 × 10^6

Prime Factorization of 28391572

Prime Factorization 2 × 2 × 11 × 47 × 13729

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14195786
Product of the distinct prime numbers

The prime factorization of 28391572 is 2 × 2 × 11 × 47 × 13729. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 70, 75, 998, 156, 7971, 8681, 16276, 14513, 700398, 336621, 8890033, 2973802, 76330482, 57126387, 274819496, 412096424, 1518176989, 8470750059

Basic calculations (n = 28391572)

Multiplication

n×y
n×2 56783144
n×3 85174716
n×4 113566288
n×5 141957860

Division

n÷y
n÷2 14195786
n÷3 9463857.3333333
n÷3 7097893
n÷5 5678314.4

Exponentiation

ny
n2 806081360631184
n3 2.2885916988218E+22
n4 6.4976715995702E+29
n5 1.8447911105155E+37

Nth Root

y√n
2√n 5328.3742361062
3√n 305.06787703669
4√n 72.995713820102
5√n 30.948377661305

Divisors of 28391572

1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 13729, 27458, 54916, 151019, 302038, 604076, 645263, 1290526, 2581052, 7097893, 14195786, 28391572

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28391571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28391572 can be divided by 24 positive divisors. The sum of these divisors (counting 28391572) is 1, the average is 0.041666666666667.

Base conversion 28391572

Base System Value
2 Binary 1101100010011100010010100
3 Ternary 1222102102220201
4 Quaternary 1230103202110
5 Quinary 24232012242
6 Senary 2452310244
8 Octal 154234224
10 Decimal 28391572
12 Duodecimal 9612384
16 Hexadecimal 1b13894
20 Vigesimal 8h8iic
36 Base36 gwj2s

Cryptographic Hash Functions

md5 a553d22fcad0960bf27e861bd75dc41e
sha1 08e3d092d41aba6a4eeecee8eac72612cada2cb8
sha256 53cc4eb33e14690c7bb93012c404fc54cc47a63c86c5fb52886223a4d5d4bee8
sha512 667934aaca6181ad9c53aed4b76470f177b59851f3b358e80c62d3123146e74453840e6ee577088b269c4e63eb483695d1d1b2cec3551782ce4d45cb64659dac
ripemd-160 c60185645e371ce403c2b69bc4e7a6c278646fd7

28391572 as geometric shapes

Circle

Radius = n
Diameter 56783144
Circumference 178389508.03813
Area 2.5323792807546E+15

Sphere

Radius = n
Volume 9.5864304907803E+22
Surface area 1.0129517123018E+16
Circumference 178389508.03813

Square

Length = n
Perimeter 113566288
Area 806081360631184
Diagonal 40151746.179492

Cube

Length = n
Surface area 4836488163787104
Volume 2.2885916988218E+22
Space diagonal 49175645.21075

Equilateral Triangle

Length = n
Perimeter 85174716
Area 3.4904346791187E+14
Altitude 24587822.605375

Triangular Pyramid

Length = n
Surface area 3.4904346791187E+14
Volume 2.6971311826736E+21
Height 13383915.393164