28931880 (number)

28931880 is an even 8-digits composite number following 28931879 and preceding 28931881. In scientific notation, it is written as 2.8931880 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 7682048 positive integers (up to 28931880) that are relatively prime to 28931880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931880 × 10^7
Engineering notation 2.8931880 × 10^6

Prime Factorization of 28931880

Prime Factorization 2 × 2 × 2 × 15 × 353 × 683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7232970
Product of the distinct prime numbers

The prime factorization of 28931880 is 2 × 2 × 2 × 15 × 353 × 683. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 70, 92, 709, 170, 6550, 2811, 75741, 17250, 730686, 882403, 1267858, 6322163, 15434720, 14405630, 466141838, 472434115, 3003531164, 4000356122

Basic calculations (n = 28931880)

Multiplication

n×y
n×2 57863760
n×3 86795640
n×4 115727520
n×5 144659400

Division

n÷y
n÷2 14465940
n÷3 9643960
n÷3 7232970
n÷5 5786376

Exponentiation

ny
n2 837053680334400
n3 2.4217536632993E+22
n4 7.0065886376136E+29
n5 2.027137816728E+37

Nth Root

y√n
2√n 5378.8363053731
3√n 306.99093509151
4√n 73.340550211824
5√n 31.065284194531

Divisors of 28931880

1, 2, 4, 8, 15, 30, 60, 120, 353, 683, 706, 1366, 1412, 2732, 2824, 5295, 5464, 10245, 10590, 20490, 21180, 40980, 42360, 81960, 241099, 482198, 964396, 1928792, 3616485, 7232970, 14465940, 28931880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931880 can be divided by 32 positive divisors. The sum of these divisors (counting 28931880) is 1, the average is 0.03125.

Base conversion 28931880

Base System Value
2 Binary 1101110010111011100101000
3 Ternary 2000102220002010
4 Quaternary 1232113130220
5 Quinary 24401310010
6 Senary 2512035520
8 Octal 156273450
10 Decimal 28931880
12 Duodecimal 9832ba0
16 Hexadecimal 1b97728
20 Vigesimal 90g9e0
36 Base36 h83zc

Cryptographic Hash Functions

md5 d0235366fb7e9e51cb27d9260a325851
sha1 cdd244ed76467d4af625984b3fc85222160ff50a
sha256 b27dbf521263070beb371c0e9d141fc539f2026fa9c2d0104df928b5798104fd
sha512 c785bdb8baed4aeec3f41b2548876dd108c87b6d70458d0b810abd569430695d4642fdc52d4d8c1093f33ebc18e201a26d057a8d3dce09a2a7959122dd566ee4
ripemd-160 7be399a4401ca7dac8769bcf06030c63683b9eac

28931880 as geometric shapes

Circle

Radius = n
Diameter 57863760
Circumference 181784363.32508
Area 2.6296816927988E+15

Sphere

Radius = n
Volume 1.0144218023234E+23
Surface area 1.0518726771195E+16
Circumference 181784363.32508

Square

Length = n
Perimeter 115727520
Area 837053680334400
Diagonal 40915857.080951

Cube

Length = n
Surface area 5022322082006400
Volume 2.4217536632993E+22
Space diagonal 50111486.118486

Equilateral Triangle

Length = n
Perimeter 86795640
Area 3.6245487575042E+14
Altitude 25055743.059243

Triangular Pyramid

Length = n
Surface area 3.6245487575042E+14
Volume 2.8540640628039E+21
Height 13638619.026984