28931382 (number)

28931382 is an even 8-digits composite number following 28931381 and preceding 28931383. In scientific notation, it is written as 2.8931382 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 9076416 positive integers (up to 28931382) that are relatively prime to 28931382.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand three hundred eighty-two

Notation

Scientific notation 2.8931382 × 10^7
Engineering notation 2.8931382 × 10^6

Prime Factorization of 28931382

Prime Factorization 2 × 3 × 51 × 94547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931382
Product of the distinct prime numbers

The prime factorization of 28931382 is 2 × 3 × 51 × 94547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931382)

Multiplication

n×y
n×2 57862764
n×3 86794146
n×4 115725528
n×5 144656910

Division

n÷y
n÷2 14465691
n÷3 9643794
n÷3 7232845.5
n÷5 5786276.4

Exponentiation

ny
n2 837024864429924
n3 2.421628609632E+22
n4 7.0061062367393E+29
n5 2.0269633586769E+37

Nth Root

y√n
2√n 5378.790012633
3√n 306.98917368549
4√n 73.340234609885
5√n 31.065177249403

Divisors of 28931382

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 -28931381
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 28931382 can be divided by 16 positive divisors. The sum of these divisors (counting 28931382) is 1, the average is 0.0625.

Base conversion 28931382

Base System Value
2 Binary 1101110010111010100110110
3 Ternary 2000102212101200
4 Quaternary 1232113110312
5 Quinary 24401301012
6 Senary 2512033330
8 Octal 156272466
10 Decimal 28931382
12 Duodecimal 9832846
16 Hexadecimal 1b97536
20 Vigesimal 90g892
36 Base36 h83li

Cryptographic Hash Functions

md5 43a1a570a40f59d5df46f53e33720dcc
sha1 4f70432852a7a9c614443603f4732ad256c7d5d4
sha256 33afaea0bc33e22db5b178170b02a30ac5e91ea73ec95709d57b0f09e0013b9e
sha512 751e302308a2bd3ba2376832ef9dd4afdad2262fd8b422c53485cab24478bb9aea9fa912f2ec45d06a1318ec39e31df917804da3ca52dc40568edfdc56a45a3e
ripemd-160 9df1db39454e6953a0e875006f48fdd213c3861b

28931382 as geometric shapes

Circle

Radius = n
Diameter 57862764
Circumference 181781234.2988
Area 2.629591164965E+15

Sphere

Radius = n
Volume 1.0143694199657E+23
Surface area 1.051836465986E+16
Circumference 181781234.2988

Square

Length = n
Perimeter 115725528
Area 837024864429924
Diagonal 40915152.802597

Cube

Length = n
Surface area 5022149186579544
Volume 2.421628609632E+22
Space diagonal 50110623.557184

Equilateral Triangle

Length = n
Perimeter 86794146
Area 3.6244239809777E+14
Altitude 25055311.778592

Triangular Pyramid

Length = n
Surface area 3.6244239809777E+14
Volume 2.8539166856436E+21
Height 13638384.267532