28857789 (number)

28857789 is an odd 8-digits composite number following 28857788 and preceding 28857790. In scientific notation, it is written as 2.8857789 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors. There are 17138304 positive integers (up to 28857789) that are relatively prime to 28857789.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred fifty-seven thousand seven hundred eighty-nine

Notation

Scientific notation 2.8857789 × 10^7
Engineering notation 2.8857789 × 10^6

Prime Factorization of 28857789

Prime Factorization 3 × 27 × 17 × 19 × 1103

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28857789
Product of the distinct prime numbers

The prime factorization of 28857789 is 3 × 27 × 17 × 19 × 1103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 2, 89, 824, 926, 811, 1775, 27474, 22593, 645047, 888138, 8297305, 5630718, 83627712, 64930849, 889735198, 797563753, 8327626062, 4597115793

Basic calculations (n = 28857789)

Multiplication

n×y
n×2 57715578
n×3 86573367
n×4 115431156
n×5 144288945

Division

n÷y
n÷2 14428894.5
n÷3 9619263
n÷3 7214447.25
n÷5 5771557.8

Exponentiation

ny
n2 832771985968521
n3 2.4031958256191E+22
n4 6.9350918061395E+29
n5 2.001314160372E+37

Nth Root

y√n
2√n 5371.9446199677
3√n 306.72865568452
4√n 73.29355101213
5√n 31.049356993768

Divisors of 28857789

1, 3, 17, 19, 27, 51, 57, 81, 323, 459, 513, 969, 1103, 1377, 1539, 3309, 8721, 18751, 20957, 26163, 29781, 56253, 62871, 89343, 356269, 506277, 565839, 1068807, 1518831, 1697517, 9619263, 28857789

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28857788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28857789 can be divided by 32 positive divisors. The sum of these divisors (counting 28857789) is 1, the average is 0.03125.

Base conversion 28857789

Base System Value
2 Binary 1101110000101010110111101
3 Ternary 2000022010110000
4 Quaternary 1232011112331
5 Quinary 24341422124
6 Senary 2510304513
8 Octal 156052675
10 Decimal 28857789
12 Duodecimal 97b8139
16 Hexadecimal 1b855bd
20 Vigesimal 907499
36 Base36 h6it9

Cryptographic Hash Functions

md5 2ff7ba746ee4f7f6887ba8597b1518d8
sha1 54ee861d447302e8758191440863c31771bb618a
sha256 efc6988f57067f9b9e200fd3572e7e70cb2a6814fa5f6a51f5fead420d66e547
sha512 2ddcddd77610f1b3768bfae239b40e6e14da406b2b9e48ea80843bb98cfed9ed9bc204e57ce8b63a2a3254e400f9ee790b00d0fe55f9bd404316cb63bec91db5
ripemd-160 8e0040b6652f89767d96de6eba86223725fa21c6

28857789 as geometric shapes

Circle

Radius = n
Diameter 57715578
Circumference 181318835.84249
Area 2.6162303532341E+15

Sphere

Radius = n
Volume 1.0066483134537E+23
Surface area 1.0464921412936E+16
Circumference 181318835.84249

Square

Length = n
Perimeter 115431156
Area 832771985968521
Diagonal 40811076.583901

Cube

Length = n
Surface area 4996631915811126
Volume 2.4031958256191E+22
Space diagonal 49983156.742102

Equilateral Triangle

Length = n
Perimeter 86573367
Area 3.6060084770438E+14
Altitude 24991578.371051

Triangular Pyramid

Length = n
Surface area 3.6060084770438E+14
Volume 2.8321934413574E+21
Height 13603692.194634