65291221 (number)

65291221 is an odd 8-digits composite number following 65291220 and preceding 65291222. In scientific notation, it is written as 6.5291221 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 65128000 positive integers (up to 65291221) that are relatively prime to 65291221.

Interesting facts

Basic properties

Name

Name sixty-five million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 6.5291221 × 10^7
Engineering notation 6.5291221 × 10^6

Prime Factorization of 65291221

Prime Factorization 401 × 162821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65291221
Product of the distinct prime numbers

The prime factorization of 65291221 is 401 × 162821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65291221)

Multiplication

n×y
n×2 130582442
n×3 195873663
n×4 261164884
n×5 326456105

Division

n÷y
n÷2 32645610.5
n÷3 21763740.333333
n÷3 16322805.25
n÷5 13058244.2

Exponentiation

ny
n2 4262943539670841
n3 2.7833278875917E+23
n4 1.8172687622421E+31
n5 1.1865169637195E+39

Nth Root

y√n
2√n 8080.2983237007
3√n 402.67215299541
4√n 89.890479605466
5√n 36.55703445525

Divisors of 65291221

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -65291220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 65291221 can be divided by 4 positive divisors. The sum of these divisors (counting 65291221) is 1, the average is 0.25.

Base conversion 65291221

Base System Value
2 Binary 11111001000100001111010101
3 Ternary 11112212010201101
4 Quaternary 3321010033111
5 Quinary 113203304341
6 Senary 10251230101
8 Octal 371041725
10 Decimal 65291221
12 Duodecimal 19a48331
16 Hexadecimal 3e443d5
20 Vigesimal 1081811
36 Base36 12vf11

Cryptographic Hash Functions

md5 872d38efe1e4f8bb2ced79f185d9f64c
sha1 9e6ac77d52e240b52d986f1729ece6b515dd96c0
sha256 cbf1b210b2e1832f10a224a2407b9d1fd6290a6d1404fb8c91d943790ebafc3f
sha512 47b17335e985c46474f58119057669d2c1bea37864aa22156ae91383df48c50fc822a6150699d847233b329c0c92590e515088536400708cc5103101beb69559
ripemd-160 4459e720f869227c1762a3eddb24e947c5eb837b

65291221 as geometric shapes

Circle

Radius = n
Diameter 130582442
Circumference 410236840.47502
Area 1.3392432106898E+16

Sphere

Radius = n
Volume 1.1658776592253E+24
Surface area 5.3569728427592E+16
Circumference 410236840.47502

Square

Length = n
Perimeter 261164884
Area 4262943539670841
Diagonal 92335730.242099

Cube

Length = n
Surface area 25577661238025046
Volume 2.7833278875917E+23
Space diagonal 113087712.06021

Equilateral Triangle

Length = n
Perimeter 195873663
Area 1.8459087001269E+15
Altitude 56543856.030104

Triangular Pyramid

Length = n
Surface area 1.8459087001269E+15
Volume 3.2801833726362E+22
Height 30778576.747366