64691381 (number)

64691381 is an odd 8-digits composite number following 64691380 and preceding 64691382. In scientific notation, it is written as 6.4691381 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 63534240 positive integers (up to 64691381) that are relatively prime to 64691381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4691381 × 10^7
Engineering notation 6.4691381 × 10^6

Prime Factorization of 64691381

Prime Factorization 67 × 383 × 2521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64691381
Product of the distinct prime numbers

The prime factorization of 64691381 is 67 × 383 × 2521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64691381)

Multiplication

n×y
n×2 129382762
n×3 194074143
n×4 258765524
n×5 323456905

Division

n÷y
n÷2 32345690.5
n÷3 21563793.666667
n÷3 16172845.25
n÷5 12938276.2

Exponentiation

ny
n2 4184974775687161
n3 2.7073179768937E+23
n4 1.7514013873138E+31
n5 1.1330057443064E+39

Nth Root

y√n
2√n 8043.0952375314
3√n 401.435221274
4√n 89.683305233089
5√n 36.489615277141

Divisors of 64691381

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 -64691380
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 64691381 can be divided by 8 positive divisors. The sum of these divisors (counting 64691381) is 1, the average is 0.125.

Base conversion 64691381

Base System Value
2 Binary 11110110110001110010110101
3 Ternary 11111201122220002
4 Quaternary 3312301302311
5 Quinary 113030111011
6 Senary 10230321045
8 Octal 366616265
10 Decimal 64691381
12 Duodecimal 197b9185
16 Hexadecimal 3db1cb5
20 Vigesimal 1046891
36 Base36 12ik6t

Cryptographic Hash Functions

md5 5f34e02fafce1c7a1712d7539f0ba801
sha1 d5976bd08570ef9ad502a2c4253ae2d0b52f23cb
sha256 9cb6836dcabf91ff17c2fcf8da73e7ca24234a2b91c9369c2748c746d146b3bf
sha512 6fea51c7cc04b9e0d63b47c8e717c87a386b47ea2a49875f6a89550a85eea456e723687b9e7baa19933a69556e5afb8adff267e7bf20633014eafb4a52f2ddf9
ripemd-160 3c9c52b6b5e3690f97921b037ccb73a6bba39411

64691381 as geometric shapes

Circle

Radius = n
Diameter 129382762
Circumference 406467934.60036
Area 1.3147486010757E+16

Sphere

Radius = n
Volume 1.1340387022854E+24
Surface area 5.258994404303E+16
Circumference 406467934.60036

Square

Length = n
Perimeter 258765524
Area 4184974775687161
Diagonal 91487428.378845

Cube

Length = n
Surface area 25109848654122966
Volume 2.7073179768937E+23
Space diagonal 112048758.7038

Equilateral Triangle

Length = n
Perimeter 194074143
Area 1.8121472349711E+15
Altitude 56024379.351898

Triangular Pyramid

Length = n
Surface area 1.8121472349711E+15
Volume 3.1906048338163E+22
Height 30495809.459615