28105715 (number)

28105715 is an odd 8-digits composite number following 28105714 and preceding 28105716. In scientific notation, it is written as 2.8105715 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20440480 positive integers (up to 28105715) that are relatively prime to 28105715.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8105715 × 10^7
Engineering notation 2.8105715 × 10^6

Prime Factorization of 28105715

Prime Factorization 11 × 5 × 511013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28105715
Product of the distinct prime numbers

The prime factorization of 28105715 is 11 × 5 × 511013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28105715)

Multiplication

n×y
n×2 56211430
n×3 84317145
n×4 112422860
n×5 140528575

Division

n÷y
n÷2 14052857.5
n÷3 9368571.6666667
n÷3 7026428.75
n÷5 5621143

Exponentiation

ny
n2 789931215661225
n3 2.2201581616978E+22
n4 6.2399132547602E+29
n5 1.7537722356301E+37

Nth Root

y√n
2√n 5301.4823398744
3√n 304.04057558012
4√n 72.811278933105
5√n 30.885805174221

Divisors of 28105715

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 -28105714
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 28105715 can be divided by 8 positive divisors. The sum of these divisors (counting 28105715) is 1, the average is 0.125.

Base conversion 28105715

Base System Value
2 Binary 1101011001101101111110011
3 Ternary 1221212220210102
4 Quaternary 1223031233303
5 Quinary 24143340330
6 Senary 2442223015
8 Octal 153155763
10 Decimal 28105715
12 Duodecimal 94b4a6b
16 Hexadecimal 1acdbf3
20 Vigesimal 8fd45f
36 Base36 gqeib

Cryptographic Hash Functions

md5 1ed116f96e084cda30d256ee7583bf28
sha1 96225604c24ebeff08c804789045987b64d5a842
sha256 876aa439cbe93bebca53ef82d518f9b2894c155f5e4ed2fe151d275085ac099c
sha512 cc6585b3660c2d322a894a316e0e13871eabb24f6ffbef183183cdcc5c2074c487f6ca8ec759dc0d1d0145285c6d42ee53a1106148edb0ec6c539562672ec4a2
ripemd-160 210ba984c9395f4c4c623a10a1e598838ec3801d

28105715 as geometric shapes

Circle

Radius = n
Diameter 56211430
Circumference 176593415.53578
Area 2.4816421039626E+15

Sphere

Radius = n
Volume 9.2997767607963E+22
Surface area 9.9265684158502E+15
Circumference 176593415.53578

Square

Length = n
Perimeter 112422860
Area 789931215661225
Diagonal 39747483.333193

Cube

Length = n
Surface area 4739587293967350
Volume 2.2201581616978E+22
Space diagonal 48680526.363051

Equilateral Triangle

Length = n
Perimeter 84317145
Area 3.4205025000247E+14
Altitude 24340263.181525

Triangular Pyramid

Length = n
Surface area 3.4205025000247E+14
Volume 2.6164814857386E+21
Height 13249161.111064