28165989 (number)

28165989 is an odd 8-digits composite number following 28165988 and preceding 28165990. In scientific notation, it is written as 2.8165989 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 17705856 positive integers (up to 28165989) that are relatively prime to 28165989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8165989 × 10^7
Engineering notation 2.8165989 × 10^6

Prime Factorization of 28165989

Prime Factorization 129 × 29 × 7529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28165989
Product of the distinct prime numbers

The prime factorization of 28165989 is 129 × 29 × 7529. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28165989)

Multiplication

n×y
n×2 56331978
n×3 84497967
n×4 112663956
n×5 140829945

Division

n÷y
n÷2 14082994.5
n÷3 9388663
n÷3 7041497.25
n÷5 5633197.8

Exponentiation

ny
n2 793322936348121
n3 2.2344725098629E+22
n4 6.29361281336E+29
n5 1.7726582927136E+37

Nth Root

y√n
2√n 5307.1639318943
3√n 304.25776340243
4√n 72.850284363854
5√n 30.899041031402

Divisors of 28165989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28165988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28165989 can be divided by 8 positive divisors. The sum of these divisors (counting 28165989) is 1, the average is 0.125.

Base conversion 28165989

Base System Value
2 Binary 1101011011100011101100101
3 Ternary 1221222222110210
4 Quaternary 1223130131211
5 Quinary 24202302424
6 Senary 2443410033
8 Octal 153343545
10 Decimal 28165989
12 Duodecimal 9523919
16 Hexadecimal 1adc765
20 Vigesimal 8g0ej9
36 Base36 grp0l

Cryptographic Hash Functions

md5 15ff1618464b6690ab1bcf0319cd00c5
sha1 3314eb285edf27c1055f51d56ea06e653ac1afde
sha256 387d1fabc3cb2a4be2f940792d4191ba0e2f1eeb85bb15c69c1369285697934e
sha512 5379c25d955db4047ae6298d90b8b6511aff6b454968fdd3d62ab090094d5b36d5fe72cebaab51525ea9485ed0bcda84178a05fb6bd4e0cef1afbcafa703df69
ripemd-160 e40733b67934108e7eeef5ec7a44cb7ea059d2c2

28165989 as geometric shapes

Circle

Radius = n
Diameter 56331978
Circumference 176972128.24698
Area 2.4922975087555E+15

Sphere

Radius = n
Volume 9.3597365621781E+22
Surface area 9.9691900350222E+15
Circumference 176972128.24698

Square

Length = n
Perimeter 112663956
Area 793322936348121
Diagonal 39832723.641451

Cube

Length = n
Surface area 4759937618088726
Volume 2.2344725098629E+22
Space diagonal 48784923.993426

Equilateral Triangle

Length = n
Perimeter 84497967
Area 3.4351890814117E+14
Altitude 24392461.996713

Triangular Pyramid

Length = n
Surface area 3.4351890814117E+14
Volume 2.6333511068316E+21
Height 13277574.54715