28931468 (number)

28931468 is an even 8-digits composite number following 28931467 and preceding 28931469. In scientific notation, it is written as 2.8931468 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 14454720 positive integers (up to 28931468) that are relatively prime to 28931468.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931468 × 10^7
Engineering notation 2.8931468 × 10^6

Prime Factorization of 28931468

Prime Factorization 2 × 2 × 2161 × 3347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465734
Product of the distinct prime numbers

The prime factorization of 28931468 is 2 × 2 × 2161 × 3347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 5, 33, 107, 821, 8173, 3103, 30498, 68219, 886136, 893505, 3303750, 4453315, 15739053, 52618013, 645130641, 351227034, 2346710311, 6543289171

Basic calculations (n = 28931468)

Multiplication

n×y
n×2 57862936
n×3 86794404
n×4 115725872
n×5 144657340

Division

n÷y
n÷2 14465734
n÷3 9643822.6666667
n÷3 7232867
n÷5 5786293.6

Exponentiation

ny
n2 837029840635024
n3 2.4216502049377E+22
n4 7.0061895411349E+29
n5 2.0269934851128E+37

Nth Root

y√n
2√n 5378.79800699
3√n 306.98947786549
4√n 73.340289111716
5√n 31.065195717944

Divisors of 28931468

1, 2, 4, 2161, 3347, 4322, 6694, 8644, 13388, 7232867, 14465734, 28931468

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931467
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931468 can be divided by 12 positive divisors. The sum of these divisors (counting 28931468) is 1, the average is 0.083333333333333.

Base conversion 28931468

Base System Value
2 Binary 1101110010111010110001100
3 Ternary 2000102212111212
4 Quaternary 1232113112030
5 Quinary 24401301333
6 Senary 2512033552
8 Octal 156272614
10 Decimal 28931468
12 Duodecimal 98328b8
16 Hexadecimal 1b9758c
20 Vigesimal 90g8d8
36 Base36 h83nw

Cryptographic Hash Functions

md5 45f1f713bcd7c65cbcb568b881a8e427
sha1 35cff2dbf6fb4ec7c72c45b58f37f817588c4cef
sha256 ee2fb6899e946c62c4626dfbe993dad93be9e5a95f9fe8dac72726a10713fbad
sha512 47c5048c0beecf4e7d08b68d9b0d2ed48e86edbc9fb3feb022c5a299a38386b0d7b272b14e2d2773eb37a4eed3f99f1925a6a207cc3c10c38df70a4a94313392
ripemd-160 6e7bd24c991833513d38f5482d47a24af7dc4e5e

28931468 as geometric shapes

Circle

Radius = n
Diameter 57862936
Circumference 181781774.65274
Area 2.6296067981744E+15

Sphere

Radius = n
Volume 1.0143784657862E+23
Surface area 1.0518427192698E+16
Circumference 181781774.65274

Square

Length = n
Perimeter 115725872
Area 837029840635024
Diagonal 40915274.424963

Cube

Length = n
Surface area 5022179043810144
Volume 2.4216502049377E+22
Space diagonal 50110772.513553

Equilateral Triangle

Length = n
Perimeter 86794404
Area 3.6244455285779E+14
Altitude 25055386.256777

Triangular Pyramid

Length = n
Surface area 3.6244455285779E+14
Volume 2.8539421359554E+21
Height 13638424.808321