28991630 (number)

28991630 is an even 8-digits composite number following 28991629 and preceding 28991631. In scientific notation, it is written as 2.8991630 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 10914432 positive integers (up to 28991630) that are relatively prime to 28991630.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand six hundred thirty

Notation

Scientific notation 2.8991630 × 10^7
Engineering notation 2.8991630 × 10^6

Prime Factorization of 28991630

Prime Factorization 2 × 5 × 17 × 170539

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28991630
Product of the distinct prime numbers

The prime factorization of 28991630 is 2 × 5 × 17 × 170539. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 16, 35, 692, 78, 7895, 1204, 36842, 1474, 1416, 11109, 5530566, 167235, 69645768, 49987353, 604810116, 768091062, 5432779104, 243549929

Basic calculations (n = 28991630)

Multiplication

n×y
n×2 57983260
n×3 86974890
n×4 115966520
n×5 144958150

Division

n÷y
n÷2 14495815
n÷3 9663876.6666667
n÷3 7247907.5
n÷5 5798326

Exponentiation

ny
n2 840514610056900
n3 2.4367888584364E+22
n4 7.064648097191E+29
n5 2.0481566371397E+37

Nth Root

y√n
2√n 5384.3876160618
3√n 307.20212191776
4√n 73.378386573035
5√n 31.078104787606

Divisors of 28991630

1, 2, 5, 10, 17, 34, 85, 170, 170539, 341078, 852695, 1705390, 2899163, 5798326, 14495815, 28991630

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991629
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991630 can be divided by 16 positive divisors. The sum of these divisors (counting 28991630) is 1, the average is 0.0625.

Base conversion 28991630

Base System Value
2 Binary 1101110100110000010001110
3 Ternary 2000112221001002
4 Quaternary 1232212002032
5 Quinary 24410213010
6 Senary 2513220302
8 Octal 156460216
10 Decimal 28991630
12 Duodecimal 9861692
16 Hexadecimal 1ba608e
20 Vigesimal 913j1a
36 Base36 h9e32

Cryptographic Hash Functions

md5 983b63659dce49ac3410e05e7bca8e84
sha1 d04ba9ed5ad4ae70a8c57b21d3d7d09a59a725ad
sha256 0d94d841b3349bcfb8faea3f46c19c2dd55121f45fbd5cb51afe31428b2cf298
sha512 81e4b63bc52ad6d6e6572d3ca33c2f9c2ea931fdce52ce09c218b2742aabb32f3749f87fae7639110a8e00bdec1c750eb273ca9137c54cf27bdef3d8e730a9fc
ripemd-160 58239c40a6468bd6d9f9073eab725a0ea782c767

28991630 as geometric shapes

Circle

Radius = n
Diameter 57983260
Circumference 182159783.64719
Area 2.6405545241896E+15

Sphere

Radius = n
Volume 1.0207197301351E+23
Surface area 1.0562218096759E+16
Circumference 182159783.64719

Square

Length = n
Perimeter 115966520
Area 840514610056900
Diagonal 41000356.341303

Cube

Length = n
Surface area 5043087660341400
Volume 2.4367888584364E+22
Space diagonal 50214976.154238

Equilateral Triangle

Length = n
Perimeter 86974890
Area 3.6395350228062E+14
Altitude 25107488.077119

Triangular Pyramid

Length = n
Surface area 3.6395350228062E+14
Volume 2.8717832102003E+21
Height 13666785.447101