28931738 (number)

28931738 is an even 8-digits composite number following 28931737 and preceding 28931739. In scientific notation, it is written as 2.8931738 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 13054800 positive integers (up to 28931738) that are relatively prime to 28931738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931738 × 10^7
Engineering notation 2.8931738 × 10^6

Prime Factorization of 28931738

Prime Factorization 2 × 1529 × 9461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931738
Product of the distinct prime numbers

The prime factorization of 28931738 is 2 × 1529 × 9461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 96, 67, 57, 171, 6635, 210, 56649, 4632, 426556, 2906, 6406466, 5283923, 45308034, 4639120, 338936791, 616586950, 1073815782, 9600814776

Basic calculations (n = 28931738)

Multiplication

n×y
n×2 57863476
n×3 86795214
n×4 115726952
n×5 144658690

Division

n÷y
n÷2 14465869
n÷3 9643912.6666667
n÷3 7232934.5
n÷5 5786347.6

Exponentiation

ny
n2 837045463700644
n3 2.4217180049876E+22
n4 7.0064510830183E+29
n5 2.027088070437E+37

Nth Root

y√n
2√n 5378.8231054758
3√n 306.99043284527
4√n 73.340460221325
5√n 31.065253700287

Divisors of 28931738

1, 2, 1529, 3058, 9461, 18922, 14465869, 28931738

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 -28931737
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 28931738 can be divided by 8 positive divisors. The sum of these divisors (counting 28931738) is 1, the average is 0.125.

Base conversion 28931738

Base System Value
2 Binary 1101110010111011010011010
3 Ternary 2000102212212212
4 Quaternary 1232113122122
5 Quinary 24401303423
6 Senary 2512035122
8 Octal 156273232
10 Decimal 28931738
12 Duodecimal 9832aa2
16 Hexadecimal 1b9769a
20 Vigesimal 90g96i
36 Base36 h83ve

Cryptographic Hash Functions

md5 5db3f6e4c177e2ac132d03c79b18594e
sha1 5336dca6e4af6ec1b674ca2206dc6ed16501a680
sha256 ba0c63852d64c329ae53cfaad8857aa440e0ae47cf3f95f9ba65b7a6b2a937be
sha512 8a1fccd910180c41615fa2e342617f2878f898461a29e31b6e4f9980bf1a3b99852fc343d0467ef43fbde0dd0a1908a4a868b915cf408dbda94aabf312cdf486
ripemd-160 95d907248959292a0d19779bc9aa1f35ff82ab3d

28931738 as geometric shapes

Circle

Radius = n
Diameter 57863476
Circumference 181783471.11277
Area 2.6296558794826E+15

Sphere

Radius = n
Volume 1.0144068658047E+23
Surface area 1.051862351793E+16
Circumference 181783471.11277

Square

Length = n
Perimeter 115726952
Area 837045463700644
Diagonal 40915656.262625

Cube

Length = n
Surface area 5022272782203864
Volume 2.4217180049876E+22
Space diagonal 50111240.167271

Equilateral Triangle

Length = n
Perimeter 86795214
Area 3.6245131784364E+14
Altitude 25055620.083636

Triangular Pyramid

Length = n
Surface area 3.6245131784364E+14
Volume 2.8540220390804E+21
Height 13638552.087542