28751520 (number)

28751520 is an even 8-digits composite number following 28751519 and preceding 28751521. In scientific notation, it is written as 2.8751520 × 10^7. The sum of its digits is 30. It has a total of 9 prime factors and 96 positive divisors. There are 6386688 positive integers (up to 28751520) that are relatively prime to 28751520.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-one thousand five hundred twenty

Notation

Scientific notation 2.8751520 × 10^7
Engineering notation 2.8751520 × 10^6

Prime Factorization of 28751520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 35 × 3 × 199 × 43

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1796970
Product of the distinct prime numbers

The prime factorization of 28751520 is 2 × 2 × 2 × 2 × 2 × 35 × 3 × 199 × 43. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28751520)

Multiplication

n×y
n×2 57503040
n×3 86254560
n×4 115006080
n×5 143757600

Division

n÷y
n÷2 14375760
n÷3 9583840
n÷3 7187880
n÷5 5750304

Exponentiation

ny
n2 826649902310400
n3 2.3767441199276E+22
n4 6.8335006098979E+29
n5 1.9647352945549E+37

Nth Root

y√n
2√n 5362.0443862393
3√n 306.35168246456
4√n 73.225981633839
5√n 31.026455341939

Divisors of 28751520

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28751519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28751520 can be divided by 96 positive divisors. The sum of these divisors (counting 28751520) is 1, the average is 0.010416666666667.

Base conversion 28751520

Base System Value
2 Binary 1101101101011011010100000
3 Ternary 2000002201200010
4 Quaternary 1231223122200
5 Quinary 24330022040
6 Senary 2504124520
8 Octal 155533240
10 Decimal 28751520
12 Duodecimal 9766740
16 Hexadecimal 1b6b6a0
20 Vigesimal 8jdig0
36 Base36 h48tc

Cryptographic Hash Functions

md5 4390dcd221c9cb834568066da82e8ab4
sha1 72b5ea9cdda07c343a6c374c29720edd23374a44
sha256 c6e44ed62f17a6964621796b08de70aa43b8f4d9a6e71fbaf2c6754500c2ce68
sha512 fcdf902269fdf64a77df30a476730273334a0e9f76d5e15becc8726f4b95f4d560d72b28941e901b6b03027e42aa48156de6339e42473f81ad16a6155b493b2e
ripemd-160 3a98510bba250e3778acfa19584301e8be0c1390

28751520 as geometric shapes

Circle

Radius = n
Diameter 57503040
Circumference 180651128.02308
Area 2.5969972601891E+15

Sphere

Radius = n
Volume 9.9556824888362E+22
Surface area 1.0387989040756E+16
Circumference 180651128.02308

Square

Length = n
Perimeter 115006080
Area 826649902310400
Diagonal 40660789.522841

Cube

Length = n
Surface area 4959899413862400
Volume 2.3767441199276E+22
Space diagonal 49799093.434833

Equilateral Triangle

Length = n
Perimeter 86254560
Area 3.5794990771837E+14
Altitude 24899546.717416

Triangular Pyramid

Length = n
Surface area 3.5794990771837E+14
Volume 2.8010198072434E+21
Height 13553596.507614