64943989 is an odd 8-digits composite number following 64943988
and preceding 64943990 . In scientific notation, it is written as 6.4943989 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 57783360 positive integers (up to 64943989) that are relatively prime to 64943989.
64943989 has 8 divisors, whose sum is 72355968
The reverse of 64943989 is 98934946
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million nine hundred forty-three thousand nine hundred eighty-nine
Scientific notation
6.4943989 × 10^7
Engineering notation
6.4943989 × 10^6
Prime Factorization
11 × 47 × 125617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64943989
Product of the distinct prime numbers
The prime factorization of 64943989 is 11 × 47 × 125617.
Since it has a total of 3 prime factors.
1 , 4 , 89 , 85 , 268 , 193 , 1702 , 7973 , 36458 , 92398 , 259290 , 899260 , 4465448 , 7823178 , 21276297 , 66141177 , 194002383 , 304552077 , 4166030703 , 7611808769
n×2
129887978
n×3
194831967
n×4
259775956
n×5
324719945
n÷2
32471994.5
n÷3
21647996.333333
n÷3
16235997.25
n÷5
12988797.8
n2
4217721707232121
n3
2.7391567215954E+23
n4
1.7789176399657E+31
n5
1.1553000764184E+39
2 √n
8058.7833448977
3 √n
401.95705299307
4 √n
89.770726547676
5 √n
36.518067924357
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
-64943988
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 64943989 can be divided by 8 positive divisors.
The sum of these divisors (counting 64943989) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110111101111011101110101
3
Ternary
11112012111101221
4
Quaternary
3313233131311
5
Quinary
113111201424
6
Senary
10235550341
8
Octal
367573565
10
Decimal
64943989
12
Duodecimal
198bb3b1
16
Hexadecimal
3def775
20
Vigesimal
105hjj9
36
Base36
12nz3p
md5
c1d1799e6494480886f1883085b07b82
sha1
f32b941666f63d0bfc458caf3d8723df9c7150d3
sha256
5792c60943a3bb31dd0aab60a54fbaf804d2dcc5eb3e907eae0bed5ffd46b6fb
sha512
6f83630acff94862854d117f4357f30bd22379f8caee6388e9085554d8d9a03727cbd4333f0634af6e4481ec5ee3b175cf9d82aa4115187e3b7ae97b64207008
ripemd-160
3a2383a89cff79ce19a2a6fb42c38500419537dd
Diameter
129887978
Circumference
408055117.47443
Area
1.3250363530327E+16
Volume
1.1473752844794E+24
Surface area
5.3001454121307E+16
Circumference
408055117.47443
Perimeter
259775956
Area
4217721707232121
Diagonal
91844670.038409
Surface area
25306330243392726
Volume
2.7391567215954E+23
Space diagonal
112486288.59419
Perimeter
194831967
Area
1.826327072278E+15
Altitude
56243144.297097
Surface area
1.826327072278E+15
Volume
3.2281271542881E+22
Height
30614890.012803