64821661 (number)

64821661 is an odd 8-digits composite number following 64821660 and preceding 64821662. In scientific notation, it is written as 6.4821661 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 64778524 positive integers (up to 64821661) that are relatively prime to 64821661.

Interesting facts

Basic properties

Name

Name sixty-four million eight hundred twenty-one thousand six hundred sixty-one

Notation

Scientific notation 6.4821661 × 10^7
Engineering notation 6.4821661 × 10^6

Prime Factorization of 64821661

Prime Factorization 1559 × 41579

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64821661
Product of the distinct prime numbers

The prime factorization of 64821661 is 1559 × 41579. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64821661)

Multiplication

n×y
n×2 129643322
n×3 194464983
n×4 259286644
n×5 324108305

Division

n÷y
n÷2 32410830.5
n÷3 21607220.333333
n÷3 16205415.25
n÷5 12964332.2

Exponentiation

ny
n2 4201847734798921
n3 2.7237074943875E+23
n4 1.7655524386435E+31
n5 1.1444604165547E+39

Nth Root

y√n
2√n 8051.1900362617
3√n 401.70451996197
4√n 89.728423792362
5√n 36.504300516993

Divisors of 64821661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64821660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64821661 can be divided by 4 positive divisors. The sum of these divisors (counting 64821661) is 1, the average is 0.25.

Base conversion 64821661

Base System Value
2 Binary 11110111010001100110011101
3 Ternary 11111222021121021
4 Quaternary 3313101212131
5 Quinary 113043243121
6 Senary 10233204141
8 Octal 367214635
10 Decimal 64821661
12 Duodecimal 19860651
16 Hexadecimal 3dd199d
20 Vigesimal 1052e31
36 Base36 12lcpp

Cryptographic Hash Functions

md5 5535eaf818739eeee4a413879e2e63d9
sha1 d86a1904307fc2a876cd013ba10ad3cc1bb3f512
sha256 8782ac8df82d854154c38ebc2540a3704ba89a09847ebb92909167418673b057
sha512 08c4edfd1018f97866615fbc0d917ad8fd0ed1f70ad8d3ebed3934d069cd408fd8e6e5b4fecf47b3b1918597da7392ca830630f1b7bd3515e97eb40b0c19beaa
ripemd-160 0e953cce93834d9aa7c0822edce1d4eac942294c

64821661 as geometric shapes

Circle

Radius = n
Diameter 129643322
Circumference 407286507.98218
Area 1.3200493975147E+16

Sphere

Radius = n
Volume 1.1409039273194E+24
Surface area 5.2801975900589E+16
Circumference 407286507.98218

Square

Length = n
Perimeter 259286644
Area 4201847734798921
Diagonal 91671672.121751

Cube

Length = n
Surface area 25211086408793526
Volume 2.7237074943875E+23
Space diagonal 112274410.28301

Equilateral Triangle

Length = n
Perimeter 194464983
Area 1.819453440585E+15
Altitude 56137205.141503

Triangular Pyramid

Length = n
Surface area 1.819453440585E+15
Volume 3.2099200654167E+22
Height 30557224.040584