65720281 (number)

65720281 is an odd 8-digits composite number following 65720280 and preceding 65720282. In scientific notation, it is written as 6.5720281 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 59515920 positive integers (up to 65720281) that are relatively prime to 65720281.

Interesting facts

Basic properties

Name

Name sixty-five million seven hundred twenty thousand two hundred eighty-one

Notation

Scientific notation 6.5720281 × 10^7
Engineering notation 6.5720281 × 10^6

Prime Factorization of 65720281

Prime Factorization 11 × 263 × 22717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65720281
Product of the distinct prime numbers

The prime factorization of 65720281 is 11 × 263 × 22717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65720281)

Multiplication

n×y
n×2 131440562
n×3 197160843
n×4 262881124
n×5 328601405

Division

n÷y
n÷2 32860140.5
n÷3 21906760.333333
n÷3 16430070.25
n÷5 13144056.2

Exponentiation

ny
n2 4319155334718961
n3 2.8385610228038E+23
n4 1.8655102805431E+31
n5 1.2260185984568E+39

Nth Root

y√n
2√n 8106.8046109426
3√n 403.5522786553
4√n 90.037795458033
5√n 36.604955424994

Divisors of 65720281

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 -65720280
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 65720281 can be divided by 8 positive divisors. The sum of these divisors (counting 65720281) is 1, the average is 0.125.

Base conversion 65720281

Base System Value
2 Binary 11111010101100111111011001
3 Ternary 11120122221021111
4 Quaternary 3322230333121
5 Quinary 113311022111
6 Senary 10304340321
8 Octal 372547731
10 Decimal 65720281
12 Duodecimal 1a0146a1
16 Hexadecimal 3eacfd9
20 Vigesimal 10af0e1
36 Base36 134m3d

Cryptographic Hash Functions

md5 c37e6c8f0aed6bf5d0443d33d8367d78
sha1 a8ee27016bdcdb7063f156b5652240e5e9a13abb
sha256 6b45b0a6699473bdefe91df9e95e0088ed63610b8210b7e0d433982b9cf86c59
sha512 3dbce5616af19ae2cdc76f3d0125d931d6504c1a82b186dbfb32bb01d4ba2ff145e147e8aebb84f6d565e769cf076c7240c73f047fc4bb5f6bd3fbc2f89d0833
ripemd-160 8ee77eec5bb95e644f37f4964ab19c1640e74789

65720281 as geometric shapes

Circle

Radius = n
Diameter 131440562
Circumference 412932703.96291
Area 1.3569026669266E+16

Sphere

Radius = n
Volume 1.1890136608009E+24
Surface area 5.4276106677065E+16
Circumference 412932703.96291

Square

Length = n
Perimeter 262881124
Area 4319155334718961
Diagonal 92942512.713171

Cube

Length = n
Surface area 25914932008313766
Volume 2.8385610228038E+23
Space diagonal 113830865.7797

Equilateral Triangle

Length = n
Perimeter 197160843
Area 1.8702491213788E+15
Altitude 56915432.889852

Triangular Pyramid

Length = n
Surface area 1.8702491213788E+15
Volume 3.3452762467273E+22
Height 30980837.571057