28931429 (number)

28931429 is an odd 8-digits composite number following 28931428 and preceding 28931430. In scientific notation, it is written as 2.8931429 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 28911840 positive integers (up to 28931429) that are relatively prime to 28931429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931429 × 10^7
Engineering notation 2.8931429 × 10^6

Prime Factorization of 28931429

Prime Factorization 1609 × 17981

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931429
Product of the distinct prime numbers

The prime factorization of 28931429 is 1609 × 17981. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931429)

Multiplication

n×y
n×2 57862858
n×3 86794287
n×4 115725716
n×5 144657145

Division

n÷y
n÷2 14465714.5
n÷3 9643809.6666667
n÷3 7232857.25
n÷5 5786285.8

Exponentiation

ny
n2 837027583982041
n3 2.4216404117018E+22
n4 7.0061517634681E+29
n5 2.02697982308E+37

Nth Root

y√n
2√n 5378.7943816435
3√n 306.98933992347
4√n 73.340264395784
5√n 31.065187342681

Divisors of 28931429

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 -28931428
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 28931429 can be divided by 4 positive divisors. The sum of these divisors (counting 28931429) is 1, the average is 0.25.

Base conversion 28931429

Base System Value
2 Binary 1101110010111010101100101
3 Ternary 2000102212110102
4 Quaternary 1232113111211
5 Quinary 24401301204
6 Senary 2512033445
8 Octal 156272545
10 Decimal 28931429
12 Duodecimal 9832885
16 Hexadecimal 1b97565
20 Vigesimal 90g8b9
36 Base36 h83mt

Cryptographic Hash Functions

md5 d47ef3253e4feaa593c52ea683d62797
sha1 14ce3395cde3ad5c4bb95e066f82e0cef8e85197
sha256 fe34b1fec47f0c8c6d4da802a673587bd4c2009c0818a1bc403b8346cc902cd8
sha512 5bf0760a2bcb4be48c43d3352a8ae1335534dc046f1640b11cac4a2c5996d47524095396deb6ee855d124040a01ebe958a29ccd2ed886467ceeb8d4c4cc9a9f8
ripemd-160 0e00cd6d1a561d20c364081eea5b34e864d50917

28931429 as geometric shapes

Circle

Radius = n
Diameter 57862858
Circumference 181781529.60851
Area 2.62959970869E+15

Sphere

Radius = n
Volume 1.0143743636051E+23
Surface area 1.051839883476E+16
Circumference 181781529.60851

Square

Length = n
Perimeter 115725716
Area 837027583982041
Diagonal 40915219.270634

Cube

Length = n
Surface area 5022165503892246
Volume 2.4216404117018E+22
Space diagonal 50110704.963572

Equilateral Triangle

Length = n
Perimeter 86794287
Area 3.6244357569838E+14
Altitude 25055352.481786

Triangular Pyramid

Length = n
Surface area 3.6244357569838E+14
Volume 2.8539305945162E+21
Height 13638406.423545