65506721 (number)

65506721 is an odd 8-digits composite number following 65506720 and preceding 65506722. In scientific notation, it is written as 6.5506721 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 55437408 positive integers (up to 65506721) that are relatively prime to 65506721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.5506721 × 10^7
Engineering notation 6.5506721 × 10^6

Prime Factorization of 65506721

Prime Factorization 7 × 79 × 118457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 65506721
Product of the distinct prime numbers

The prime factorization of 65506721 is 7 × 79 × 118457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65506721)

Multiplication

n×y
n×2 131013442
n×3 196520163
n×4 262026884
n×5 327533605

Division

n÷y
n÷2 32753360.5
n÷3 21835573.666667
n÷3 16376680.25
n÷5 13101344.2

Exponentiation

ny
n2 4291130496171841
n3 2.8109788818732E+23
n4 1.8413800935176E+31
n5 1.2062277204101E+39

Nth Root

y√n
2√n 8093.6222422349
3√n 403.1146859609
4√n 89.964561035082
5√n 36.581134664925

Divisors of 65506721

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 -65506720
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 65506721 can be divided by 8 positive divisors. The sum of these divisors (counting 65506721) is 1, the average is 0.125.

Base conversion 65506721

Base System Value
2 Binary 11111001111000110110100001
3 Ternary 11120021002022212
4 Quaternary 3321320312201
5 Quinary 113232203341
6 Senary 10300011505
8 Octal 371706641
10 Decimal 65506721
12 Duodecimal 19b30b95
16 Hexadecimal 3e78da1
20 Vigesimal 10986g1
36 Base36 1301b5

Cryptographic Hash Functions

md5 72579f5f97a505e6d4c486adce27e086
sha1 889380a622562f8d4e511d5a82229aea1f2c750a
sha256 05d6145a201006de044c956fd9d46ef78a24fd865ad58ac68f3f0141c17bb14a
sha512 7e27de6ec87beaffbb3a1971cc3052c8b3bb8becc6781cd1ad6ca0beeceb68bb52f27baf7252d0327ed5c159d18e8568f1c91394dac5a54e75d311552c5a15aa
ripemd-160 74813cb65bd1a0fd7c2a1e2b9e4ce2c01a40551b

65506721 as geometric shapes

Circle

Radius = n
Diameter 131013442
Circumference 411590866.90871
Area 1.3480984042369E+16

Sphere

Radius = n
Volume 1.1774600806252E+24
Surface area 5.3923936169474E+16
Circumference 411590866.90871

Square

Length = n
Perimeter 262026884
Area 4291130496171841
Diagonal 92640493.26479

Cube

Length = n
Surface area 25746782977031046
Volume 2.8109788818732E+23
Space diagonal 113460969.00924

Equilateral Triangle

Length = n
Perimeter 196520163
Area 1.8581140103195E+15
Altitude 56730484.50462

Triangular Pyramid

Length = n
Surface area 1.8581140103195E+15
Volume 3.3127703819079E+22
Height 30880164.421597