28331390 (number)

28331390 is an even 8-digits composite number following 28331389 and preceding 28331391. In scientific notation, it is written as 2.8331390 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 11332552 positive integers (up to 28331390) that are relatively prime to 28331390.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 2.8331390 × 10^7
Engineering notation 2.8331390 × 10^6

Prime Factorization of 28331390

Prime Factorization 2 × 5 × 2833139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28331390
Product of the distinct prime numbers

The prime factorization of 28331390 is 2 × 5 × 2833139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28331390)

Multiplication

n×y
n×2 56662780
n×3 84994170
n×4 113325560
n×5 141656950

Division

n÷y
n÷2 14165695
n÷3 9443796.6666667
n÷3 7082847.5
n÷5 5666278

Exponentiation

ny
n2 802667659332100
n3 2.2740690496925E+22
n4 6.4427537133767E+29
n5 1.8253216812762E+37

Nth Root

y√n
2√n 5322.7239267127
3√n 304.85217238281
4√n 72.957000532593
5√n 30.935246183468

Divisors of 28331390

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 -28331389
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 28331390 can be divided by 8 positive divisors. The sum of these divisors (counting 28331390) is 1, the average is 0.125.

Base conversion 28331390

Base System Value
2 Binary 1101100000100110101111110
3 Ternary 1222022101100202
4 Quaternary 1230010311332
5 Quinary 24223101030
6 Senary 2451123502
8 Octal 154046576
10 Decimal 28331390
12 Duodecimal 95a3592
16 Hexadecimal 1b04d7e
20 Vigesimal 8h189a
36 Base36 gv8n2

Cryptographic Hash Functions

md5 65cb5081f49ecd3eea3c4302ede40a65
sha1 2f919ab6dac159ee7b2a0b779b1be2bf4f2d8e20
sha256 a3de3dae0dbb584a19fc0a846f97d5eabdc8cd0391c449a333626d63509b4207
sha512 4701c2d3aad26fee54e5f65a2ae424be30275479473afb6a388111ea11bd43a6c59be7fe22c904bb915f0954515370f6fc0b249fcb4d8591d9a61269b961bd44
ripemd-160 8a67213e38ba9856b9b64b29c6e690f4efe84c22

28331390 as geometric shapes

Circle

Radius = n
Diameter 56662780
Circumference 178011373.37997
Area 2.5216548218318E+15

Sphere

Radius = n
Volume 9.5255981603598E+22
Surface area 1.0086619287327E+16
Circumference 178011373.37997

Square

Length = n
Perimeter 113325560
Area 802667659332100
Diagonal 40066635.978881

Cube

Length = n
Surface area 4816005955992600
Volume 2.2740690496925E+22
Space diagonal 49071406.929049

Equilateral Triangle

Length = n
Perimeter 84994170
Area 3.475652918889E+14
Altitude 24535703.464524

Triangular Pyramid

Length = n
Surface area 3.475652918889E+14
Volume 2.68001607654E+21
Height 13355545.326294