28931613 (number)

28931613 is an odd 8-digits composite number following 28931612 and preceding 28931614. In scientific notation, it is written as 2.8931613 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 19287740 positive integers (up to 28931613) that are relatively prime to 28931613.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand six hundred thirteen

Notation

Scientific notation 2.8931613 × 10^7
Engineering notation 2.8931613 × 10^6

Prime Factorization of 28931613

Prime Factorization 3 × 9643871

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931613
Product of the distinct prime numbers

The prime factorization of 28931613 is 3 × 9643871. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931613)

Multiplication

n×y
n×2 57863226
n×3 86794839
n×4 115726452
n×5 144658065

Division

n÷y
n÷2 14465806.5
n÷3 9643871
n÷3 7232903.25
n÷5 5786322.6

Exponentiation

ny
n2 837038230781769
n3 2.4216866159183E+22
n4 7.0063299979027E+29
n5 2.0270442804961E+37

Nth Root

y√n
2√n 5378.811485821
3√n 306.98999072574
4√n 73.340381004062
5√n 31.065226856663

Divisors of 28931613

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931612
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931613 can be divided by 4 positive divisors. The sum of these divisors (counting 28931613) is 1, the average is 0.25.

Base conversion 28931613

Base System Value
2 Binary 1101110010111011000011101
3 Ternary 2000102212201020
4 Quaternary 1232113120131
5 Quinary 24401302423
6 Senary 2512034353
8 Octal 156273035
10 Decimal 28931613
12 Duodecimal 98329b9
16 Hexadecimal 1b9761d
20 Vigesimal 90g90d
36 Base36 h83rx

Cryptographic Hash Functions

md5 6435a56c22b0b6ad6d53e15234fa8ee0
sha1 0f821b41fd2d55e11b38ef5b405fc5529fd67815
sha256 11c0eaed0fc449aa766552b306e7b736a64e4dd526efa6638128d5f28b246fa3
sha512 b02aec3c8df0a1779e4f45797458482871875e91dab81c132cda8deef800c2089b57b8ef4c026d5dce2dd7c8dc8dd570d54edd21b9b9d96378515cf3dc3dd42f
ripemd-160 f202cf70bca4c4cd39e1a2d6b7f2c828e7b8b2c6

28931613 as geometric shapes

Circle

Radius = n
Diameter 57863226
Circumference 181782685.71461
Area 2.6296331565978E+15

Sphere

Radius = n
Volume 1.0143937175821E+23
Surface area 1.0518532626391E+16
Circumference 181782685.71461

Square

Length = n
Perimeter 115726452
Area 837038230781769
Diagonal 40915479.48593

Cube

Length = n
Surface area 5022229384690614
Volume 2.4216866159183E+22
Space diagonal 50111023.66092

Equilateral Triangle

Length = n
Perimeter 86794839
Area 3.624481858979E+14
Altitude 25055511.83046

Triangular Pyramid

Length = n
Surface area 3.624481858979E+14
Volume 2.8539850467075E+21
Height 13638493.161977