64491385 (number)

64491385 is an odd 8-digits composite number following 64491384 and preceding 64491386. In scientific notation, it is written as 6.4491385 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 44222640 positive integers (up to 64491385) that are relatively prime to 64491385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.4491385 × 10^7
Engineering notation 6.4491385 × 10^6

Prime Factorization of 64491385

Prime Factorization 7 × 5 × 1842611

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64491385
Product of the distinct prime numbers

The prime factorization of 64491385 is 7 × 5 × 1842611. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64491385)

Multiplication

n×y
n×2 128982770
n×3 193474155
n×4 257965540
n×5 322456925

Division

n÷y
n÷2 32245692.5
n÷3 21497128.333333
n÷3 16122846.25
n÷5 12898277

Exponentiation

ny
n2 4159138739218225
n3 2.6822861769934E+23
n4 1.7298435052066E+31
n5 1.1156000348403E+39

Nth Root

y√n
2√n 8030.6528377212
3√n 401.02110986852
4√n 89.613909845075
5√n 36.467025503021

Divisors of 64491385

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 -64491384
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 64491385 can be divided by 8 positive divisors. The sum of these divisors (counting 64491385) is 1, the average is 0.125.

Base conversion 64491385

Base System Value
2 Binary 11110110000000111101111001
3 Ternary 11111100111112211
4 Quaternary 3312000331321
5 Quinary 113002211020
6 Senary 10222135121
8 Octal 366007571
10 Decimal 64491385
12 Duodecimal 197214a1
16 Hexadecimal 3d80f79
20 Vigesimal 1031895
36 Base36 12e9vd

Cryptographic Hash Functions

md5 b9c1599479e0ec00405e255f09a4df5f
sha1 f79d02ebee688ba8f8905fec2981cc83b9d9ab32
sha256 850905cc054338f1da5b6e6448c833c4c318414e0863f35e32e38e21467bd8f0
sha512 41eaf693ba68c3db98704f87dcc2c6d1d81f17f4d45f96cce49570b2b8ceff2aedc247f0065574a239585867b1bea0138957af36c331791dbcec276daccb8854
ripemd-160 efcc776e9b9861bad6f46cb2f003532454d62528

64491385 as geometric shapes

Circle

Radius = n
Diameter 128982770
Circumference 405211322.67166
Area 1.3066319708389E+16

Sphere

Radius = n
Volume 1.1235534064624E+24
Surface area 5.2265278833555E+16
Circumference 405211322.67166

Square

Length = n
Perimeter 257965540
Area 4159138739218225
Diagonal 91204591.323225

Cube

Length = n
Surface area 24954832435309350
Volume 2.6822861769934E+23
Space diagonal 111702355.47049

Equilateral Triangle

Length = n
Perimeter 193474155
Area 1.8009599030135E+15
Altitude 55851177.735243

Triangular Pyramid

Length = n
Surface area 1.8009599030135E+15
Volume 3.1611045747249E+22
Height 30401530.441075