28133749 (number)

28133749 is an odd 8-digits composite number following 28133748 and preceding 28133750. In scientific notation, it is written as 2.8133749 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 23126400 positive integers (up to 28133749) that are relatively prime to 28133749.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-three thousand seven hundred forty-nine

Notation

Scientific notation 2.8133749 × 10^7
Engineering notation 2.8133749 × 10^6

Prime Factorization of 28133749

Prime Factorization 7 × 41 × 61 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28133749
Product of the distinct prime numbers

The prime factorization of 28133749 is 7 × 41 × 61 × 1607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28133749)

Multiplication

n×y
n×2 56267498
n×3 84401247
n×4 112534996
n×5 140668745

Division

n÷y
n÷2 14066874.5
n÷3 9377916.3333333
n÷3 7033437.25
n÷5 5626749.8

Exponentiation

ny
n2 791507832795001
n3 2.2268082699389E+22
n4 6.2648464937584E+29
n5 1.7625361877893E+37

Nth Root

y√n
2√n 5304.1256583908
3√n 304.14163024886
4√n 72.829428518909
5√n 30.89196411671

Divisors of 28133749

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 -28133748
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 28133749 can be divided by 16 positive divisors. The sum of these divisors (counting 28133749) is 1, the average is 0.0625.

Base conversion 28133749

Base System Value
2 Binary 1101011010100100101110101
3 Ternary 1221221100020201
4 Quaternary 1223110211311
5 Quinary 24200234444
6 Senary 2443000501
8 Octal 153244565
10 Decimal 28133749
12 Duodecimal 9509131
16 Hexadecimal 1ad4975
20 Vigesimal 8fge79
36 Base36 gr051

Cryptographic Hash Functions

md5 0c1254945c9a2ef34dfcad16354d11fe
sha1 81c7a3af9472d68b188b376913be167ec4fce49d
sha256 644d87b5632c3a02f7d7a5c6523ba6e20ae4386072643896988ecb176513d6ea
sha512 2665e0b81a6d82f14874723b659da9f0942b2e18d50c81128c63aa0c7ce0bcd08d5a341b738cc87fc1b9e34e28e14f0955cb5f1bb33249574409fd02bb88d3a3
ripemd-160 2a25bd219dd537ba506074c81a7888b91102fd8b

28133749 as geometric shapes

Circle

Radius = n
Diameter 56267498
Circumference 176769558.35268
Area 2.4865951927676E+15

Sphere

Radius = n
Volume 9.3276326690572E+22
Surface area 9.9463807710702E+15
Circumference 176769558.35268

Square

Length = n
Perimeter 112534996
Area 791507832795001
Diagonal 39787129.396201

Cube

Length = n
Surface area 4749046996770006
Volume 2.2268082699389E+22
Space diagonal 48729082.67539

Equilateral Triangle

Length = n
Perimeter 84401247
Area 3.4273294524742E+14
Altitude 24364541.337695

Triangular Pyramid

Length = n
Surface area 3.4273294524742E+14
Volume 2.6243187134601E+21
Height 13262376.4654