28931088 (number)

28931088 is an even 8-digits composite number following 28931087 and preceding 28931089. In scientific notation, it is written as 2.8931088 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 80 positive divisors. There are 9260160 positive integers (up to 28931088) that are relatively prime to 28931088.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931088 × 10^7
Engineering notation 2.8931088 × 10^6

Prime Factorization of 28931088

Prime Factorization 2 × 2 × 2 × 2 × 3 × 131 × 107 × 43

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3616386
Product of the distinct prime numbers

The prime factorization of 28931088 is 2 × 2 × 2 × 2 × 3 × 131 × 107 × 43. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931088)

Multiplication

n×y
n×2 57862176
n×3 86793264
n×4 115724352
n×5 144655440

Division

n÷y
n÷2 14465544
n÷3 9643696
n÷3 7232772
n÷5 5786217.6

Exponentiation

ny
n2 837007852863744
n3 2.4215547847892E+22
n4 7.0058214575557E+29
n5 2.0268603710083E+37

Nth Root

y√n
2√n 5378.7626829969
3√n 306.9881338098
4√n 73.340048288755
5√n 31.065114112431

Divisors of 28931088

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931087
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931088 can be divided by 80 positive divisors. The sum of these divisors (counting 28931088) is 1, the average is 0.0125.

Base conversion 28931088

Base System Value
2 Binary 1101110010111010000010000
3 Ternary 2000102211222210
4 Quaternary 1232113100100
5 Quinary 24401243323
6 Senary 2512032120
8 Octal 156272020
10 Decimal 28931088
12 Duodecimal 9832640
16 Hexadecimal 1b97410
20 Vigesimal 90g7e8
36 Base36 h83dc

Cryptographic Hash Functions

md5 38bc429d69b3c59319398c02e3ecd6a1
sha1 7c3d5859eada2bf16a0483597464a7a790f7c65b
sha256 414e9fcefcfc7df3a40760275263740ab1a326c52328bc803f4c900e6ebd8fa3
sha512 63861c3183ca75833019ab4602358731756c32b9cd000841a9418e542033cb6976cec7357d986cde3e2ca1e6c9b3c489d70fd27139af0b6dd521bfcca7ba3f55
ripemd-160 0fe9fc3dc054cac329c5d2a0d1ffe688f237ce3c

28931088 as geometric shapes

Circle

Radius = n
Diameter 57862176
Circumference 181779387.04232
Area 2.6295377215537E+15

Sphere

Radius = n
Volume 1.0143384962879E+23
Surface area 1.0518150886215E+16
Circumference 181779387.04232

Square

Length = n
Perimeter 115724352
Area 837007852863744
Diagonal 40914737.02381

Cube

Length = n
Surface area 5022047117182464
Volume 2.4215547847892E+22
Space diagonal 50110114.334246

Equilateral Triangle

Length = n
Perimeter 86793264
Area 3.6243503187353E+14
Altitude 25055057.167123

Triangular Pyramid

Length = n
Surface area 3.6243503187353E+14
Volume 2.853829682232E+21
Height 13638245.674603