65408021 (number)

65408021 is an odd 8-digits composite number following 65408020 and preceding 65408022. In scientific notation, it is written as 6.5408021 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 51773568 positive integers (up to 65408021) that are relatively prime to 65408021.

Interesting facts

Basic properties

Name

Name sixty-five million four hundred eight thousand twenty-one

Notation

Scientific notation 6.5408021 × 10^7
Engineering notation 6.5408021 × 10^6

Prime Factorization of 65408021

Prime Factorization 161 × 29 × 14009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65408021
Product of the distinct prime numbers

The prime factorization of 65408021 is 161 × 29 × 14009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65408021)

Multiplication

n×y
n×2 130816042
n×3 196224063
n×4 261632084
n×5 327040105

Division

n÷y
n÷2 32704010.5
n÷3 21802673.666667
n÷3 16352005.25
n÷5 13081604.2

Exponentiation

ny
n2 4278209211136441
n3 2.7982919792441E+23
n4 1.8303074054253E+31
n5 1.1971678521051E+39

Nth Root

y√n
2√n 8087.5225502004
3√n 402.91212446077
4√n 89.930654118606
5√n 36.570104541789

Divisors of 65408021

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 -65408020
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 65408021 can be divided by 8 positive divisors. The sum of these divisors (counting 65408021) is 1, the average is 0.125.

Base conversion 65408021

Base System Value
2 Binary 11111001100000110000010101
3 Ternary 11120002001221022
4 Quaternary 3321200300111
5 Quinary 113221024041
6 Senary 10253530525
8 Octal 371406025
10 Decimal 65408021
12 Duodecimal 19aa3a45
16 Hexadecimal 3e60c15
20 Vigesimal 108g011
36 Base36 12xx5h

Cryptographic Hash Functions

md5 91e8d06b9aa83c302dd2bd774829f0c6
sha1 152fbf242f62c6c23a0e3be667d0114e4437bd08
sha256 d3872399e58f365cdad26dc54205f2d2afdfe7f0363b4f8ff4cd5894d60eb98f
sha512 52d7cfc475c9f82c8a8d7764b65d45aae465eea83b69cfebd2f7d34f3a94572d6cc7d4daac10e0a32506db35db92c6993434910b11dfd94843fad80db7402f32
ripemd-160 2875b1937d40933ea9cf00d23f55ab89084dd560

65408021 as geometric shapes

Circle

Radius = n
Diameter 130816042
Circumference 410970716.51889
Area 1.3440390628226E+16

Sphere

Radius = n
Volume 1.172145803279E+24
Surface area 5.3761562512906E+16
Circumference 410970716.51889

Square

Length = n
Perimeter 261632084
Area 4278209211136441
Diagonal 92500910.386184

Cube

Length = n
Surface area 25669255266818646
Volume 2.7982919792441E+23
Space diagonal 113290015.59453

Equilateral Triangle

Length = n
Perimeter 196224063
Area 1.8525189297744E+15
Altitude 56645007.797266

Triangular Pyramid

Length = n
Surface area 1.8525189297744E+15
Volume 3.2978187237723E+22
Height 30833636.795395