28165785 (number)

28165785 is an odd 8-digits composite number following 28165784 and preceding 28165786. In scientific notation, it is written as 2.8165785 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 14981760 positive integers (up to 28165785) that are relatively prime to 28165785.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-five thousand seven hundred eighty-five

Notation

Scientific notation 2.8165785 × 10^7
Engineering notation 2.8165785 × 10^6

Prime Factorization of 28165785

Prime Factorization 3 × 5 × 409 × 4591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28165785
Product of the distinct prime numbers

The prime factorization of 28165785 is 3 × 5 × 409 × 4591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 89, 94, 967, 477, 8014, 1117, 98253, 1950, 924548, 374334, 5166746, 2961272, 77918472, 85242238, 595033439, 859562945, 9602669255, 1103127221

Basic calculations (n = 28165785)

Multiplication

n×y
n×2 56331570
n×3 84497355
n×4 112663140
n×5 140828925

Division

n÷y
n÷2 14082892.5
n÷3 9388595
n÷3 7041446.25
n÷5 5633157

Exponentiation

ny
n2 793311444666225
n3 2.2344239588508E+22
n4 6.2934304823841E+29
n5 1.7725940987928E+37

Nth Root

y√n
2√n 5307.144712555
3√n 304.25702884353
4√n 72.85015245389
5√n 30.898996272294

Divisors of 28165785

1, 3, 5, 15, 409, 1227, 2045, 4591, 6135, 13773, 22955, 68865, 1877719, 5633157, 9388595, 28165785

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 -28165784
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 28165785 can be divided by 16 positive divisors. The sum of these divisors (counting 28165785) is 1, the average is 0.0625.

Base conversion 28165785

Base System Value
2 Binary 1101011011100011010011001
3 Ternary 1221222222012020
4 Quaternary 1223130122121
5 Quinary 24202301120
6 Senary 2443405053
8 Octal 153343231
10 Decimal 28165785
12 Duodecimal 9523789
16 Hexadecimal 1adc699
20 Vigesimal 8g0e95
36 Base36 groux

Cryptographic Hash Functions

md5 987949431271f5b6f731c00eeee871f0
sha1 374801f9088714779556a38c49c43e9e6f5711f3
sha256 346ad2aeb49d40af9f38a494888e757498fb2425b725bc11ed33ab7d62d71c80
sha512 240fe8ea729bba061cee06842a03ebe47812078cc50eaa04e8272cc2b8feefe41b2c357d8db6052c59240f512c1e7700a1e02071e196e2b5784476b4c0003244
ripemd-160 a37b2c1147de10734f6e3fe59cf092b7147051f8

28165785 as geometric shapes

Circle

Radius = n
Diameter 56331570
Circumference 176970846.47718
Area 2.4922614065721E+15

Sphere

Radius = n
Volume 9.3595331921744E+22
Surface area 9.9690456262885E+15
Circumference 176970846.47718

Square

Length = n
Perimeter 112663140
Area 793311444666225
Diagonal 39832435.141885

Cube

Length = n
Surface area 4759868667997350
Volume 2.2344239588508E+22
Space diagonal 48784570.655061

Equilateral Triangle

Length = n
Perimeter 84497355
Area 3.4351393209694E+14
Altitude 24392285.327531

Triangular Pyramid

Length = n
Surface area 3.4351393209694E+14
Volume 2.6332938889152E+21
Height 13277478.380628