28931312 (number)

28931312 is an even 8-digits composite number following 28931311 and preceding 28931313. In scientific notation, it is written as 2.8931312 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors. There are 14465648 positive integers (up to 28931312) that are relatively prime to 28931312.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931312 × 10^7
Engineering notation 2.8931312 × 10^6

Prime Factorization of 28931312

Prime Factorization 2 × 2 × 2 × 2 × 1808207

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3616414
Product of the distinct prime numbers

The prime factorization of 28931312 is 2 × 2 × 2 × 2 × 1808207. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931312)

Multiplication

n×y
n×2 57862624
n×3 86793936
n×4 115725248
n×5 144656560

Division

n÷y
n÷2 14465656
n÷3 9643770.6666667
n÷3 7232828
n÷5 5786262.4

Exponentiation

ny
n2 837020814041344
n3 2.4216110321524E+22
n4 7.0060384313843E+29
n5 2.0269388374237E+37

Nth Root

y√n
2√n 5378.7835055893
3√n 306.98892609668
4√n 73.34019024784
5√n 31.065162216837

Divisors of 28931312

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931312 can be divided by 10 positive divisors. The sum of these divisors (counting 28931312) is 1, the average is 0.1.

Base conversion 28931312

Base System Value
2 Binary 1101110010111010011110000
3 Ternary 2000102212022002
4 Quaternary 1232113103300
5 Quinary 24401300222
6 Senary 2512033132
8 Octal 156272360
10 Decimal 28931312
12 Duodecimal 98327a8
16 Hexadecimal 1b974f0
20 Vigesimal 90g85c
36 Base36 h83jk

Cryptographic Hash Functions

md5 e2543cd56f7d05ab3bc8cbb2b7efd2e1
sha1 416ae2fc4df7dcbde6c5801e564599aee4cf94da
sha256 7442585e9f95cdfd3cb7f17011769d416d4295b5021e9ec94ac60f9f0d04851e
sha512 18f35510d0b2f7595fee570c32c7377890726e6db58dd91577d98b7c420436c26c2361a90bc17ec93b863efb12119a8d33dda4cf990073ab4093123f46796851
ripemd-160 67ca407ae1c7db900dd805fc74dd5aed08bfca68

28931312 as geometric shapes

Circle

Radius = n
Diameter 57862624
Circumference 181780794.47583
Area 2.629578440294E+15

Sphere

Radius = n
Volume 1.0143620571283E+23
Surface area 1.0518313761176E+16
Circumference 181780794.47583

Square

Length = n
Perimeter 115725248
Area 837020814041344
Diagonal 40915053.807647

Cube

Length = n
Surface area 5022124884248064
Volume 2.4216110321524E+22
Space diagonal 50110502.313627

Equilateral Triangle

Length = n
Perimeter 86793936
Area 3.6244064422807E+14
Altitude 25055251.156814

Triangular Pyramid

Length = n
Surface area 3.6244064422807E+14
Volume 2.8538959703852E+21
Height 13638351.269216