65721640 (number)

65721640 is an even 8-digits composite number following 65721639 and preceding 65721641. In scientific notation, it is written as 6.5721640 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 25563648 positive integers (up to 65721640) that are relatively prime to 65721640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.5721640 × 10^7
Engineering notation 6.5721640 × 10^6

Prime Factorization of 65721640

Prime Factorization 2 × 2 × 2 × 5 × 179 × 67 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16430410
Product of the distinct prime numbers

The prime factorization of 65721640 is 2 × 2 × 2 × 5 × 179 × 67 × 137. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 9, 68, 8, 922, 279, 8565, 1253, 65889, 62649, 469538, 880589, 1162561, 1085280, 29772477, 87175638, 721085265, 833337145, 2820159960, 2283178045

Basic calculations (n = 65721640)

Multiplication

n×y
n×2 131443280
n×3 197164920
n×4 262886560
n×5 328608200

Division

n÷y
n÷2 32860820
n÷3 21907213.333333
n÷3 16430410
n÷5 13144328

Exponentiation

ny
n2 4319333964289600
n3 2.8387371184081E+23
n4 1.8656645895066E+31
n5 1.226145365123E+39

Nth Root

y√n
2√n 8106.8884289843
3√n 403.55506026122
4√n 90.038260917147
5√n 36.605106811209

Divisors of 65721640

1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 137, 179, 268, 274, 335, 358, 536, 548, 670, 685, 716, 895, 1096, 1340, 1370, 1432, 1790, 2680, 2740, 3580, 5480, 7160, 9179, 11993, 18358, 23986, 24523, 36716, 45895, 47972, 49046, 59965, 73432, 91790, 95944, 98092, 119930, 122615, 183580, 196184, 239860, 245230, 367160, 479720, 490460, 980920, 1643041, 3286082, 6572164, 8215205, 13144328, 16430410, 32860820, 65721640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -65721639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 65721640 can be divided by 64 positive divisors. The sum of these divisors (counting 65721640) is 1, the average is 0.015625.

Base conversion 65721640

Base System Value
2 Binary 11111010101101010100101000
3 Ternary 11120200000010211
4 Quaternary 3322231110220
5 Quinary 113311043030
6 Senary 10304350504
8 Octal 372552450
10 Decimal 65721640
12 Duodecimal 1a015434
16 Hexadecimal 3ead528
20 Vigesimal 10af420
36 Base36 134n54

Cryptographic Hash Functions

md5 65a9f77004872801a54a45fef83a9796
sha1 61c95076a2f0e0f621eb9d8f39a3e552ab016ddf
sha256 75f31e53a0ae957de5832d8dc794c9e54d3f9293708b2aff16d3f912ee2772c8
sha512 757b1205aa61d7a73c3a33be01d4b54c7e0cce4105a4e4f5f1ec5086bdaef13bd9e69a66d098b5040f647bad90bd9374210f313262ceca5bb3d17a8b6c2e6fb5
ripemd-160 d759c18b4ab6b8602424938d7e078803ced14302

65721640 as geometric shapes

Circle

Radius = n
Diameter 131443280
Circumference 412941242.81175
Area 1.3569587850613E+16

Sphere

Radius = n
Volume 1.1890874235552E+24
Surface area 5.4278351402452E+16
Circumference 412941242.81175

Square

Length = n
Perimeter 262886560
Area 4319333964289600
Diagonal 92944434.629402

Cube

Length = n
Surface area 25916003785737600
Volume 2.8387371184081E+23
Space diagonal 113833219.63675

Equilateral Triangle

Length = n
Perimeter 197164920
Area 1.8703264702519E+15
Altitude 56916609.818376

Triangular Pyramid

Length = n
Surface area 1.8703264702519E+15
Volume 3.3454837773873E+22
Height 30981478.209801