64989984 (number)

64989984 is an even 8-digits composite number following 64989983 and preceding 64989985. In scientific notation, it is written as 6.4989984 × 10^7. The sum of its digits is 57. It has a total of 7 prime factors and 24 positive divisors. There are 21663296 positive integers (up to 64989984) that are relatively prime to 64989984.

Interesting facts

Basic properties

Name

Name sixty-four million nine hundred eighty-nine thousand nine hundred eighty-four

Notation

Scientific notation 6.4989984 × 10^7
Engineering notation 6.4989984 × 10^6

Prime Factorization of 64989984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 676979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4061874
Product of the distinct prime numbers

The prime factorization of 64989984 is 2 × 2 × 2 × 2 × 2 × 3 × 676979. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64989984)

Multiplication

n×y
n×2 129979968
n×3 194969952
n×4 259959936
n×5 324949920

Division

n÷y
n÷2 32494992
n÷3 21663328
n÷3 16247496
n÷5 12997996.8

Exponentiation

ny
n2 4223698020320256
n3 2.7449806676145E+23
n4 1.7839624966857E+31
n5 1.1593969411621E+39

Nth Root

y√n
2√n 8061.6365584167
3√n 402.05192270101
4√n 89.786616811286
5√n 36.523239066241

Divisors of 64989984

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64989983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64989984 can be divided by 24 positive divisors. The sum of these divisors (counting 64989984) is 1, the average is 0.041666666666667.

Base conversion 64989984

Base System Value
2 Binary 11110111111010101100100000
3 Ternary 11112021211111110
4 Quaternary 3313322230200
5 Quinary 113114134414
6 Senary 10240543320
8 Octal 367725440
10 Decimal 64989984
12 Duodecimal 19921b40
16 Hexadecimal 3dfab20
20 Vigesimal 1063ej4
36 Base36 12oylc

Cryptographic Hash Functions

md5 6dcc75fbf76a21ee232defbd40e81537
sha1 a8dcfc5704b652b39388043b70c93ec5a7ad5cc3
sha256 3b551c790e7afdab545d735594cf8d43bf323b9ffc43b68d64da44c4653b605c
sha512 d1405cc7656dcea7174af8b910b5478f8bd2f1c57e949d1d29febb1fe9ce260e63546c456de1b5232077b03edf8943b4c95f9647733959b700e568253fdacde3
ripemd-160 5d9e849920464f8d16f35f35916943c46080452d

64989984 as geometric shapes

Circle

Radius = n
Diameter 129979968
Circumference 408344112.58264
Area 1.326913867162E+16

Sphere

Radius = n
Volume 1.1498148132831E+24
Surface area 5.3076554686479E+16
Circumference 408344112.58264

Square

Length = n
Perimeter 259959936
Area 4223698020320256
Diagonal 91909716.79121

Cube

Length = n
Surface area 25342188121921536
Volume 2.7449806676145E+23
Space diagonal 112565954.27109

Equilateral Triangle

Length = n
Perimeter 194969952
Area 1.8289148917557E+15
Altitude 56282977.135544

Triangular Pyramid

Length = n
Surface area 1.8289148917557E+15
Volume 3.2349907404936E+22
Height 30636572.263737