28831909 (number)

28831909 is an odd 8-digits composite number following 28831908 and preceding 28831910. In scientific notation, it is written as 2.8831909 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 28315056 positive integers (up to 28831909) that are relatively prime to 28831909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8831909 × 10^7
Engineering notation 2.8831909 × 10^6

Prime Factorization of 28831909

Prime Factorization 67 × 653 × 659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28831909
Product of the distinct prime numbers

The prime factorization of 28831909 is 67 × 653 × 659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28831909)

Multiplication

n×y
n×2 57663818
n×3 86495727
n×4 115327636
n×5 144159545

Division

n÷y
n÷2 14415954.5
n÷3 9610636.3333333
n÷3 7207977.25
n÷5 5766381.8

Exponentiation

ny
n2 831278976584281
n3 2.3967359806491E+22
n4 6.9102473691101E+29
n5 1.9923562331367E+37

Nth Root

y√n
2√n 5369.5352685312
3√n 306.63693565477
4√n 73.277112856138
5√n 31.043785910203

Divisors of 28831909

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 -28831908
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 28831909 can be divided by 8 positive divisors. The sum of these divisors (counting 28831909) is 1, the average is 0.125.

Base conversion 28831909

Base System Value
2 Binary 1101101111111000010100101
3 Ternary 2000020210221111
4 Quaternary 1231333002211
5 Quinary 24340110114
6 Senary 2505545021
8 Octal 155770245
10 Decimal 28831909
12 Duodecimal 97a5171
16 Hexadecimal 1b7f0a5
20 Vigesimal 903jf9
36 Base36 h5yud

Cryptographic Hash Functions

md5 b4cab7b71053d2acdcd23a308dddf462
sha1 7d0143087578fef5a4c05a9cfdb6ba4da2f9a5dd
sha256 e20c5728bfa9e1d177df97f4d6930f5712af6fe318cd95f887be97264184e595
sha512 5f549a3af676dab9d9cb08a844e620f0bb6835179017705170f79665c38d4a4e4cc76005e3ca2f31eea58ef896a79f3367ed2c48054c1e3b03d906c2ed5f237b
ripemd-160 a26d780613db1ed85fb800889953d9fc582b99fc

28831909 as geometric shapes

Circle

Radius = n
Diameter 57663818
Circumference 181156227.00674
Area 2.6115399259208E+15

Sphere

Radius = n
Volume 1.0039424199202E+23
Surface area 1.0446159703683E+16
Circumference 181156227.00674

Square

Length = n
Perimeter 115327636
Area 831278976584281
Diagonal 40774476.736907

Cube

Length = n
Surface area 4987673859505686
Volume 2.3967359806491E+22
Space diagonal 49938331.267202

Equilateral Triangle

Length = n
Perimeter 86495727
Area 3.5995435567696E+14
Altitude 24969165.633601

Triangular Pyramid

Length = n
Surface area 3.5995435567696E+14
Volume 2.8245804410513E+21
Height 13591492.245636