28291251 (number)

28291251 is an odd 8-digits composite number following 28291250 and preceding 28291252. In scientific notation, it is written as 2.8291251 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 17949600 positive integers (up to 28291251) that are relatively prime to 28291251.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred fifty-one

Notation

Scientific notation 2.8291251 × 10^7
Engineering notation 2.8291251 × 10^6

Prime Factorization of 28291251

Prime Factorization 3 × 31 × 61 × 4987

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28291251
Product of the distinct prime numbers

The prime factorization of 28291251 is 3 × 31 × 61 × 4987. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 3, 33, 152, 397, 6648, 168, 76835, 17742, 877706, 403181, 2977673, 3581092, 32538458, 95318770, 14503375, 238646719, 7255265381, 9602784794

Basic calculations (n = 28291251)

Multiplication

n×y
n×2 56582502
n×3 84873753
n×4 113165004
n×5 141456255

Division

n÷y
n÷2 14145625.5
n÷3 9430417
n÷3 7072812.75
n÷5 5658250.2

Exponentiation

ny
n2 800394883145001
n3 2.2644172538171E+22
n4 6.406319689647E+29
n5 1.8124279832605E+37

Nth Root

y√n
2√n 5318.9520584416
3√n 304.70813609607
4√n 72.931146010752
5√n 30.926475599807

Divisors of 28291251

1, 3, 31, 61, 93, 183, 1891, 4987, 5673, 14961, 154597, 304207, 463791, 912621, 9430417, 28291251

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 -28291250
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 28291251 can be divided by 16 positive divisors. The sum of these divisors (counting 28291251) is 1, the average is 0.0625.

Base conversion 28291251

Base System Value
2 Binary 1101011111011000010110011
3 Ternary 1222020100022010
4 Quaternary 1223323002303
5 Quinary 24220310001
6 Senary 2450214003
8 Octal 153730263
10 Decimal 28291251
12 Duodecimal 9584303
16 Hexadecimal 1afb0b3
20 Vigesimal 8gg82b
36 Base36 gudo3

Cryptographic Hash Functions

md5 52ac503b0e28537af29a7a6916949d41
sha1 3e78b8cef27396e3ff49d61232c4f7db8b63770a
sha256 78cdae8de1de134df88e3fb0b6328f442b024a332f7249e39cbdd1bb8e1c2cbb
sha512 f5043ab6afeaaec97d24db86bf596e612ea31f918e53fce75d14a3be983c13d2378e384bd069de6308ca23a0b28d15164c770639bdb904b8313894ea176fcf5b
ripemd-160 ab723f259abe7f9d108a6504ad33d33ba93b7c3e

28291251 as geometric shapes

Circle

Radius = n
Diameter 56582502
Circumference 177759172.60493
Area 2.5145146848592E+15

Sphere

Radius = n
Volume 9.4851688123383E+22
Surface area 1.0058058739437E+16
Circumference 177759172.60493

Square

Length = n
Perimeter 113165004
Area 800394883145001
Diagonal 40009870.860701

Cube

Length = n
Surface area 4802369298870006
Volume 2.2644172538171E+22
Space diagonal 49001884.141684

Equilateral Triangle

Length = n
Perimeter 84873753
Area 3.4658115093132E+14
Altitude 24500942.070842

Triangular Pyramid

Length = n
Surface area 3.4658115093132E+14
Volume 2.6686413260165E+21
Height 13336623.620234