28931437 (number)

28931437 is an odd 8-digits composite number following 28931436 and preceding 28931438. In scientific notation, it is written as 2.8931437 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 28855516 positive integers (up to 28931437) that are relatively prime to 28931437.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand four hundred thirty-seven

Notation

Scientific notation 2.8931437 × 10^7
Engineering notation 2.8931437 × 10^6

Prime Factorization of 28931437

Prime Factorization 383 × 75539

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931437
Product of the distinct prime numbers

The prime factorization of 28931437 is 383 × 75539. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931437)

Multiplication

n×y
n×2 57862874
n×3 86794311
n×4 115725748
n×5 144657185

Division

n÷y
n÷2 14465718.5
n÷3 9643812.3333333
n÷3 7232859.25
n÷5 5786287.4

Exponentiation

ny
n2 837028046884969
n3 2.4216424205686E+22
n4 7.0061595127207E+29
n5 2.0269826255423E+37

Nth Root

y√n
2√n 5378.7951253046
3√n 306.98936821928
4√n 73.340269465721
5√n 31.065189060684

Divisors of 28931437

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931436
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931437 can be divided by 4 positive divisors. The sum of these divisors (counting 28931437) is 1, the average is 0.25.

Base conversion 28931437

Base System Value
2 Binary 1101110010111010101101101
3 Ternary 2000102212110201
4 Quaternary 1232113111231
5 Quinary 24401301222
6 Senary 2512033501
8 Octal 156272555
10 Decimal 28931437
12 Duodecimal 9832891
16 Hexadecimal 1b9756d
20 Vigesimal 90g8bh
36 Base36 h83n1

Cryptographic Hash Functions

md5 1515a9942745f664d7f3fe9153156b7f
sha1 ba288c93fcc05628b41a5ce648034f62acc5120d
sha256 1bd86a67886c5c83fe2269002a645b7e0a4d5710a134f9904d40a68285e68a83
sha512 459f575b35d5e6be970f17c284f940e69504a9ca5c26203fafa5e26f2e87f3e9439cd1f63f7d0c11fee59ffd0b9c910136deb67520c6e3ec993148033d446d10
ripemd-160 027a538a52b8c57e555d43ae5b7831029655eb04

28931437 as geometric shapes

Circle

Radius = n
Diameter 57862874
Circumference 181781579.87399
Area 2.6296011629424E+15

Sphere

Radius = n
Volume 1.0143752050773E+23
Surface area 1.051840465177E+16
Circumference 181781579.87399

Square

Length = n
Perimeter 115725748
Area 837028046884969
Diagonal 40915230.584343

Cube

Length = n
Surface area 5022168281309814
Volume 2.4216424205686E+22
Space diagonal 50110718.819978

Equilateral Triangle

Length = n
Perimeter 86794311
Area 3.6244377614123E+14
Altitude 25055359.409989

Triangular Pyramid

Length = n
Surface area 3.6244377614123E+14
Volume 2.8539329619884E+21
Height 13638410.194781