65665621 (number)

65665621 is an odd 8-digits composite number following 65665620 and preceding 65665622. In scientific notation, it is written as 6.5665621 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 53837520 positive integers (up to 65665621) that are relatively prime to 65665621.

Interesting facts

Basic properties

Name

Name sixty-five million six hundred sixty-five thousand six hundred twenty-one

Notation

Scientific notation 6.5665621 × 10^7
Engineering notation 6.5665621 × 10^6

Prime Factorization of 65665621

Prime Factorization 7 × 23 × 407861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65665621
Product of the distinct prime numbers

The prime factorization of 65665621 is 7 × 23 × 407861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65665621)

Multiplication

n×y
n×2 131331242
n×3 196996863
n×4 262662484
n×5 328328105

Division

n÷y
n÷2 32832810.5
n÷3 21888540.333333
n÷3 16416405.25
n÷5 13133124.2

Exponentiation

ny
n2 4311973781315641
n3 2.8314843608581E+23
n4 1.8593117890754E+31
n5 1.2209286326225E+39

Nth Root

y√n
2√n 8103.4326677032
3√n 403.44036857543
4√n 90.019068356117
5√n 36.59886448075

Divisors of 65665621

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 -65665620
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 65665621 can be divided by 8 positive divisors. The sum of these divisors (counting 65665621) is 1, the average is 0.125.

Base conversion 65665621

Base System Value
2 Binary 11111010011111101001010101
3 Ternary 11120120011022001
4 Quaternary 3322133221111
5 Quinary 113302244441
6 Senary 10303235301
8 Octal 372375125
10 Decimal 65665621
12 Duodecimal 19ba8b31
16 Hexadecimal 3e9fa55
20 Vigesimal 10a8411
36 Base36 133fx1

Cryptographic Hash Functions

md5 fa9436b07455f1540d296176671e5dcc
sha1 2f69a290e04679754092dde06aa243b1bf4e06db
sha256 a94f2870393d01453e54325b9bbd8fe0bcf96de3fcf5aac5da770c39a536ab1d
sha512 1fdd04f72c908a54e0bebfb00a4bf6b0d06fce44ef3f83e7e8a82cc01424ee191e54dd3ad1fc25d7c6b1f10638dd3168570fdd1d2b9f1316c83550ced5d37a23
ripemd-160 62fd1465a098c6b11d20fcdb8fdd07292ade30a9

65665621 as geometric shapes

Circle

Radius = n
Diameter 131331242
Circumference 412589265.05402
Area 1.3546465153853E+16

Sphere

Radius = n
Volume 1.1860493955768E+24
Surface area 5.4185860615412E+16
Circumference 412589265.05402

Square

Length = n
Perimeter 262662484
Area 4311973781315641
Diagonal 92865211.799852

Cube

Length = n
Surface area 25871842687893846
Volume 2.8314843608581E+23
Space diagonal 113736191.88256

Equilateral Triangle

Length = n
Perimeter 196996863
Area 1.8671394175359E+15
Altitude 56868095.941281

Triangular Pyramid

Length = n
Surface area 1.8671394175359E+15
Volume 3.336936320644E+22
Height 30955070.599951