28291390 (number)

28291390 is an even 8-digits composite number following 28291389 and preceding 28291391. In scientific notation, it is written as 2.8291390 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 11316552 positive integers (up to 28291390) that are relatively prime to 28291390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291390 × 10^7
Engineering notation 2.8291390 × 10^6

Prime Factorization of 28291390

Prime Factorization 2 × 5 × 2829139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28291390
Product of the distinct prime numbers

The prime factorization of 28291390 is 2 × 5 × 2829139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291390)

Multiplication

n×y
n×2 56582780
n×3 84874170
n×4 113165560
n×5 141456950

Division

n÷y
n÷2 14145695
n÷3 9430463.3333333
n÷3 7072847.5
n÷5 5658278

Exponentiation

ny
n2 800402748132100
n3 2.2644506304477E+22
n4 6.4064455921742E+29
n5 1.8124725076198E+37

Nth Root

y√n
2√n 5318.9651249092
3√n 304.70863512386
4√n 72.931235591543
5√n 30.926505989213

Divisors of 28291390

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 -28291389
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 28291390 can be divided by 8 positive divisors. The sum of these divisors (counting 28291390) is 1, the average is 0.125.

Base conversion 28291390

Base System Value
2 Binary 1101011111011000100111110
3 Ternary 1222020100111021
4 Quaternary 1223323010332
5 Quinary 24220311030
6 Senary 2450214354
8 Octal 153730476
10 Decimal 28291390
12 Duodecimal 95843ba
16 Hexadecimal 1afb13e
20 Vigesimal 8gg89a
36 Base36 gudry

Cryptographic Hash Functions

md5 d592a25361d07d945f5c4dd1cdcea4c3
sha1 dab9265b0ce1ddbabf0959c0132b0e6d45faa603
sha256 081b8c309a3affe8104422adbd4efae69359b82377dfb8e926094d3e49139747
sha512 0c692baf5ca7a5eea3f682700c155a130ea8d591ec770935a442c43144276a8df34ca003ee4fe459582b5faca3dab9d2602ef2c1cfa61435e58a09f564ac99da
ripemd-160 a252ccffafbb88755dbe457403684f0179e02057

28291390 as geometric shapes

Circle

Radius = n
Diameter 56582780
Circumference 177760045.96769
Area 2.5145393934449E+15

Sphere

Radius = n
Volume 9.4853086200417E+22
Surface area 1.005815757378E+16
Circumference 177760045.96769

Square

Length = n
Perimeter 113165560
Area 800402748132100
Diagonal 40010067.436387

Cube

Length = n
Surface area 4802416488792600
Volume 2.2644506304477E+22
Space diagonal 49002124.896746

Equilateral Triangle

Length = n
Perimeter 84874170
Area 3.4658455657064E+14
Altitude 24501062.448373

Triangular Pyramid

Length = n
Surface area 3.4658455657064E+14
Volume 2.6686806607529E+21
Height 13336689.145462