64691391 (number)

64691391 is an odd 8-digits composite number following 64691390 and preceding 64691392. In scientific notation, it is written as 6.4691391 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 42456960 positive integers (up to 64691391) that are relatively prime to 64691391.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred ninety-one thousand three hundred ninety-one

Notation

Scientific notation 6.4691391 × 10^7
Engineering notation 6.4691391 × 10^6

Prime Factorization of 64691391

Prime Factorization 3 × 181 × 109 × 1093

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64691391
Product of the distinct prime numbers

The prime factorization of 64691391 is 3 × 181 × 109 × 1093. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64691391)

Multiplication

n×y
n×2 129382782
n×3 194074173
n×4 258765564
n×5 323456955

Division

n÷y
n÷2 32345695.5
n÷3 21563797
n÷3 16172847.75
n÷5 12938278.2

Exponentiation

ny
n2 4184976069514881
n3 2.7073192323863E+23
n4 1.7514024702412E+31
n5 1.1330066200074E+39

Nth Root

y√n
2√n 8043.0958591826
3√n 401.43524195863
4√n 89.683308698902
5√n 36.489616405254

Divisors of 64691391

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64691390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64691391 can be divided by 16 positive divisors. The sum of these divisors (counting 64691391) is 1, the average is 0.0625.

Base conversion 64691391

Base System Value
2 Binary 11110110110001110010111111
3 Ternary 11111201122220110
4 Quaternary 3312301302333
5 Quinary 113030111031
6 Senary 10230321103
8 Octal 366616277
10 Decimal 64691391
12 Duodecimal 197b9193
16 Hexadecimal 3db1cbf
20 Vigesimal 104689b
36 Base36 12ik73

Cryptographic Hash Functions

md5 22ccd08c3bd10070cc17b0e0d779c09f
sha1 dc3bf60b219f9b539e063db0801caa1e541239a5
sha256 2645f625be7bb0448863c93b8fb321e84d8739618fbf1c197c316036738d25df
sha512 eabb92a396430eda18e3b56d9b069a75c26d9fdfb7f3eff6758b92f5f974d9724096709b8f2101d17a82282d5e9ba1811b072f0a77d184762ccb46aff3ea94e7
ripemd-160 c33907f0442a7ff1b104ba2b1b11d56e4f9ee189

64691391 as geometric shapes

Circle

Radius = n
Diameter 129382782
Circumference 406467997.43221
Area 1.3147490075437E+16

Sphere

Radius = n
Volume 1.134039228185E+24
Surface area 5.2589960301748E+16
Circumference 406467997.43221

Square

Length = n
Perimeter 258765564
Area 4184976069514881
Diagonal 91487442.520981

Cube

Length = n
Surface area 25109856417089286
Volume 2.7073192323863E+23
Space diagonal 112048776.0243

Equilateral Triangle

Length = n
Perimeter 194074173
Area 1.8121477952149E+15
Altitude 56024388.012152

Triangular Pyramid

Length = n
Surface area 1.8121477952149E+15
Volume 3.1906063134285E+22
Height 30495814.17366