28931550 (number)

28931550 is an even 8-digits composite number following 28931549 and preceding 28931551. In scientific notation, it is written as 2.8931550 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 7715040 positive integers (up to 28931550) that are relatively prime to 28931550.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand five hundred fifty

Notation

Scientific notation 2.8931550 × 10^7
Engineering notation 2.8931550 × 10^6

Prime Factorization of 28931550

Prime Factorization 2 × 3 × 25 × 192877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931550
Product of the distinct prime numbers

The prime factorization of 28931550 is 2 × 3 × 25 × 192877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931550)

Multiplication

n×y
n×2 57863100
n×3 86794650
n×4 115726200
n×5 144657750

Division

n÷y
n÷2 14465775
n÷3 9643850
n÷3 7232887.5
n÷5 5786310

Exponentiation

ny
n2 837034585402500
n3 2.4216707959302E+22
n4 7.0062689715994E+29
n5 2.0270222106528E+37

Nth Root

y√n
2√n 5378.8056295055
3√n 306.98976789701
4√n 73.340341078464
5√n 31.065213327442

Divisors of 28931550

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 -28931549
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 28931550 can be divided by 16 positive divisors. The sum of these divisors (counting 28931550) is 1, the average is 0.0625.

Base conversion 28931550

Base System Value
2 Binary 1101110010111010111011110
3 Ternary 2000102212121220
4 Quaternary 1232113113132
5 Quinary 24401302200
6 Senary 2512034210
8 Octal 156272736
10 Decimal 28931550
12 Duodecimal 9832966
16 Hexadecimal 1b975de
20 Vigesimal 90g8ha
36 Base36 h83q6

Cryptographic Hash Functions

md5 9e9913ebb863314794ba2bd84f8a6406
sha1 f4c5714a737fec812575696da6213555118afab1
sha256 f343fc1698db28445797ee4fd49a153e01cde7c258efd6eb317b7d118a5aa83a
sha512 4205c28cb2da02291617a029515334b035adfac7d5118bdc5c94b6ade5c1d7f2e60134051535681e81520f30a0cf0088f68d1d239e1ab69fc0d64ae523f7bf35
ripemd-160 40d62044506181c9ef7b9ee0dc1a800e85d8d96a

28931550 as geometric shapes

Circle

Radius = n
Diameter 57863100
Circumference 181782289.87393
Area 2.6296217043011E+15

Sphere

Radius = n
Volume 1.014387090921E+23
Surface area 1.0518486817204E+16
Circumference 181782289.87393

Square

Length = n
Perimeter 115726200
Area 837034585402500
Diagonal 40915390.390475

Cube

Length = n
Surface area 5022207512415000
Volume 2.4216707959302E+22
Space diagonal 50110914.541719

Equilateral Triangle

Length = n
Perimeter 86794650
Area 3.6244660740237E+14
Altitude 25055457.27086

Triangular Pyramid

Length = n
Surface area 3.6244660740237E+14
Volume 2.8539664026727E+21
Height 13638463.463492