28831431 (number)

28831431 is an odd 8-digits composite number following 28831430 and preceding 28831432. In scientific notation, it is written as 2.8831431 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 19206072 positive integers (up to 28831431) that are relatively prime to 28831431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8831431 × 10^7
Engineering notation 2.8831431 × 10^6

Prime Factorization of 28831431

Prime Factorization 3 × 5779 × 1663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28831431
Product of the distinct prime numbers

The prime factorization of 28831431 is 3 × 5779 × 1663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 70, 100, 290, 502, 8000, 4789, 55351, 98584, 47472, 271051, 4191221, 3398864, 34617214, 90898314, 239876241, 531669466, 8370950598, 7526424302

Basic calculations (n = 28831431)

Multiplication

n×y
n×2 57662862
n×3 86494293
n×4 115325724
n×5 144157155

Division

n÷y
n÷2 14415715.5
n÷3 9610477
n÷3 7207857.75
n÷5 5766286.2

Exponentiation

ny
n2 831251413507761
n3 2.3966167772201E+22
n4 6.9097891245865E+29
n5 1.9921910837007E+37

Nth Root

y√n
2√n 5369.490757977
3√n 306.63524108245
4√n 73.276809141617
5√n 31.043682975444

Divisors of 28831431

1, 3, 1663, 4989, 5779, 17337, 9610477, 28831431

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 -28831430
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 28831431 can be divided by 8 positive divisors. The sum of these divisors (counting 28831431) is 1, the average is 0.125.

Base conversion 28831431

Base System Value
2 Binary 1101101111110111011000111
3 Ternary 2000020210021210
4 Quaternary 1231332323013
5 Quinary 24340101211
6 Senary 2505542503
8 Octal 155767307
10 Decimal 28831431
12 Duodecimal 97a4a33
16 Hexadecimal 1b7eec7
20 Vigesimal 903ibb
36 Base36 h5yh3

Cryptographic Hash Functions

md5 16892f1e46884b8991dfa0ec78c7bac6
sha1 de56720aa62335c0a514c08e71aa2a3d9b0d8a9e
sha256 d6116aac5c7676fa0dd203cb53f49b915d42433714d58b7c27b4a98ff3140431
sha512 78bc07cc924ec32e83108075fc669aaac8bb7f869c1742780d9d310e55c3daed70c677983c3e15724412afcfb7966b58c59355d00fb4d46ac6b1691fb7ad2dcf
ripemd-160 b12156fb8410a4f816795e49c48ffbcffadbef48

28831431 as geometric shapes

Circle

Radius = n
Diameter 57662862
Circumference 181153223.64416
Area 2.6114533339621E+15

Sphere

Radius = n
Volume 1.0038924881046E+23
Surface area 1.0445813335848E+16
Circumference 181153223.64416

Square

Length = n
Perimeter 115325724
Area 831251413507761
Diagonal 40773800.742824

Cube

Length = n
Surface area 4987508481046566
Volume 2.3966167772201E+22
Space diagonal 49937503.346916

Equilateral Triangle

Length = n
Perimeter 86494293
Area 3.5994242051472E+14
Altitude 24968751.673458

Triangular Pyramid

Length = n
Surface area 3.5994242051472E+14
Volume 2.824439958463E+21
Height 13591266.914275