28931427 (number)

28931427 is an odd 8-digits composite number following 28931426 and preceding 28931428. In scientific notation, it is written as 2.8931427 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 16532208 positive integers (up to 28931427) that are relatively prime to 28931427.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931427 × 10^7
Engineering notation 2.8931427 × 10^6

Prime Factorization of 28931427

Prime Factorization 9 × 7 × 459229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931427
Product of the distinct prime numbers

The prime factorization of 28931427 is 9 × 7 × 459229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931427)

Multiplication

n×y
n×2 57862854
n×3 86794281
n×4 115725708
n×5 144657135

Division

n÷y
n÷2 14465713.5
n÷3 9643809
n÷3 7232856.75
n÷5 5786285.4

Exponentiation

ny
n2 837027468256329
n3 2.4216399094853E+22
n4 7.006149826156E+29
n5 2.0269791224649E+37

Nth Root

y√n
2√n 5378.7941957283
3√n 306.98933284952
4√n 73.3402631283
5√n 31.06518691318

Divisors of 28931427

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 -28931426
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 28931427 can be divided by 8 positive divisors. The sum of these divisors (counting 28931427) is 1, the average is 0.125.

Base conversion 28931427

Base System Value
2 Binary 1101110010111010101100011
3 Ternary 2000102212110100
4 Quaternary 1232113111203
5 Quinary 24401301202
6 Senary 2512033443
8 Octal 156272543
10 Decimal 28931427
12 Duodecimal 9832883
16 Hexadecimal 1b97563
20 Vigesimal 90g8b7
36 Base36 h83mr

Cryptographic Hash Functions

md5 e938c140a26c4b38867e5ea01924e3cf
sha1 9ca70313cf55e4e7b6460bd56843bb90d84d2542
sha256 9465b76cc586d07469cd1906080751cd6b14b0fb9aeb33b26bd47644203ea40a
sha512 eed99bbe1d4c3032cb331a9fb021e435b81ac347b4f18cba445bc4e685bc074d288ebb961bd0607d068667a32f1e02c735e95e0d4a492afc2af0eee3c3a2f5bf
ripemd-160 a412e2784b28b24a7186be7889ee2d20b3dd6c02

28931427 as geometric shapes

Circle

Radius = n
Diameter 57862854
Circumference 181781517.04214
Area 2.6295993451269E+15

Sphere

Radius = n
Volume 1.0143741532372E+23
Surface area 1.0518397380508E+16
Circumference 181781517.04214

Square

Length = n
Perimeter 115725708
Area 837027468256329
Diagonal 40915216.442207

Cube

Length = n
Surface area 5022164809537974
Volume 2.4216399094853E+22
Space diagonal 50110701.49947

Equilateral Triangle

Length = n
Perimeter 86794281
Area 3.6244352558768E+14
Altitude 25055350.749735

Triangular Pyramid

Length = n
Surface area 3.6244352558768E+14
Volume 2.8539300026484E+21
Height 13638405.480736