28931188 (number)

28931188 is an even 8-digits composite number following 28931187 and preceding 28931189. In scientific notation, it is written as 2.8931188 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 11802240 positive integers (up to 28931188) that are relatively prime to 28931188.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931188 × 10^7
Engineering notation 2.8931188 × 10^6

Prime Factorization of 28931188

Prime Factorization 2 × 2 × 407 × 13 × 1367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465594
Product of the distinct prime numbers

The prime factorization of 28931188 is 2 × 2 × 407 × 13 × 1367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 94, 8, 170, 486, 8535, 600, 73408, 16757, 999588, 342920, 345850, 4411591, 47459555, 63268795, 511636239, 273368460, 8638579684, 7959321699

Basic calculations (n = 28931188)

Multiplication

n×y
n×2 57862376
n×3 86793564
n×4 115724752
n×5 144655940

Division

n÷y
n÷2 14465594
n÷3 9643729.3333333
n÷3 7232797
n÷5 5786237.6

Exponentiation

ny
n2 837013639091344
n3 2.4215798951116E+22
n4 7.0059183202493E+29
n5 2.0268954003578E+37

Nth Root

y√n
2√n 5378.7719788071
3√n 306.9884875098
4√n 73.340111663448
5√n 31.065135587649

Divisors of 28931188

1, 2, 4, 13, 26, 52, 407, 814, 1367, 1628, 2734, 5291, 5468, 10582, 17771, 21164, 35542, 71084, 556369, 1112738, 2225476, 7232797, 14465594, 28931188

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931187
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931188 can be divided by 24 positive divisors. The sum of these divisors (counting 28931188) is 1, the average is 0.041666666666667.

Base conversion 28931188

Base System Value
2 Binary 1101110010111010001110100
3 Ternary 2000102212010111
4 Quaternary 1232113101310
5 Quinary 24401244223
6 Senary 2512032404
8 Octal 156272164
10 Decimal 28931188
12 Duodecimal 9832704
16 Hexadecimal 1b97474
20 Vigesimal 90g7j8
36 Base36 h83g4

Cryptographic Hash Functions

md5 efbbd3c1ebd0ac9e1a2271c1acda7fdb
sha1 b767b7c30ff31e8d5fb50c38ee132fd9d5067233
sha256 aac617e4d467842224764166eb7365992057824797c97de9980698ffc0d6f4f6
sha512 a362af61e5a45154887370c26586c012fd6acbd1884e224aaec508bd4a2310344b11556b8ec65dc6608fe19473d248fa85e27faa5230f6cfdfa5326b85599005
ripemd-160 82028bb2422337dce6c321090b0a81757e1c1f7e

28931188 as geometric shapes

Circle

Radius = n
Diameter 57862376
Circumference 181780015.36085
Area 2.6295558995238E+15

Sphere

Radius = n
Volume 1.0143490144751E+23
Surface area 1.0518223598095E+16
Circumference 181780015.36085

Square

Length = n
Perimeter 115724752
Area 837013639091344
Diagonal 40914878.445166

Cube

Length = n
Surface area 5022081834548064
Volume 2.4215798951116E+22
Space diagonal 50110287.539327

Equilateral Triangle

Length = n
Perimeter 86793564
Area 3.6243753738358E+14
Altitude 25055143.769664

Triangular Pyramid

Length = n
Surface area 3.6243753738358E+14
Volume 2.8538592750307E+21
Height 13638292.815055