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.
64989984 has 24 divisors, whose sum is 170598960
The reverse of 64989984 is 48998946
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 57
Digital Root 3
Name
sixty-four million nine hundred eighty-nine thousand nine hundred eighty-four
Scientific notation
6.4989984 × 10^7
Engineering notation
6.4989984 × 10^6
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.
4 , 7 , 90 , 38 , 955 , 649 , 1526 , 2180 , 15234 , 93296 , 866616 , 582250 , 7441750 , 9675795 , 3572345 , 79620975 , 597814568 , 395821300 , 5994682639 , 2748193915
n×2
129979968
n×3
194969952
n×4
259959936
n×5
324949920
n÷2
32494992
n÷3
21663328
n÷3
16247496
n÷5
12997996.8
n2
4223698020320256
n3
2.7449806676145E+23
n4
1.7839624966857E+31
n5
1.1593969411621E+39
2 √n
8061.6365584167
3 √n
402.05192270101
4 √n
89.786616811286
5 √n
36.523239066241
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 676979 , 1353958 , 2030937 , 2707916 , 4061874 , 5415832 , 8123748 , 10831664 , 16247496 , 21663328 , 32494992 , 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
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
md5
6dcc75fbf76a21ee232defbd40e81537
sha1
a8dcfc5704b652b39388043b70c93ec5a7ad5cc3
sha256
3b551c790e7afdab545d735594cf8d43bf323b9ffc43b68d64da44c4653b605c
sha512
d1405cc7656dcea7174af8b910b5478f8bd2f1c57e949d1d29febb1fe9ce260e63546c456de1b5232077b03edf8943b4c95f9647733959b700e568253fdacde3
ripemd-160
5d9e849920464f8d16f35f35916943c46080452d
Diameter
129979968
Circumference
408344112.58264
Area
1.326913867162E+16
Volume
1.1498148132831E+24
Surface area
5.3076554686479E+16
Circumference
408344112.58264
Perimeter
259959936
Area
4223698020320256
Diagonal
91909716.79121
Surface area
25342188121921536
Volume
2.7449806676145E+23
Space diagonal
112565954.27109
Perimeter
194969952
Area
1.8289148917557E+15
Altitude
56282977.135544
Surface area
1.8289148917557E+15
Volume
3.2349907404936E+22
Height
30636572.263737