64839992 is an even 8-digits composite number following 64839991
and preceding 64839993 . In scientific notation, it is written as 6.4839992 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 32 positive divisors.
There are 27630720 positive integers (up to 64839992) that are relatively prime to 64839992.
64839992 has 32 divisors, whose sum is 139732320
The reverse of 64839992 is 29993846
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-four million eight hundred thirty-nine thousand nine hundred ninety-two
Scientific notation
6.4839992 × 10^7
Engineering notation
6.4839992 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 181 × 6397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16209998
Product of the distinct prime numbers
The prime factorization of 64839992 is 2 × 2 × 2 × 7 × 181 × 6397.
Since it has a total of 6 prime factors.
1 , 8 , 41 , 76 , 589 , 44 , 467 , 1367 , 15262 , 50519 , 700312 , 602932 , 5149393 , 4002547 , 70669263 , 4047092 , 821856998 , 86227255 , 9786020341 , 8955139381
n×2
129679984
n×3
194519976
n×4
259359968
n×5
324199960
n÷2
32419996
n÷3
21613330.666667
n÷3
16209998
n÷5
12967998.4
n2
4204224562560064
n3
2.726018870026E+23
n4
1.7675504172433E+31
n5
1.1460795491365E+39
2 √n
8052.3283589282
3 √n
401.74238257058
4 √n
89.734766723541
5 √n
36.506364903009
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 181 , 362 , 724 , 1267 , 1448 , 2534 , 5068 , 6397 , 10136 , 12794 , 25588 , 44779 , 51176 , 89558 , 179116 , 358232 , 1157857 , 2315714 , 4631428 , 8104999 , 9262856 , 16209998 , 32419996 , 64839992
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64839991
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64839992 can be divided by 32 positive divisors.
The sum of these divisors (counting 64839992) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111010110000100111000
3
Ternary
11112000012202012
4
Quaternary
3313112010320
5
Quinary
113044334432
6
Senary
10233425052
8
Octal
367260470
10
Decimal
64839992
12
Duodecimal
1986b188
16
Hexadecimal
3dd6138
20
Vigesimal
1054jjc
36
Base36
12lquw
md5
18beb68106239e2bb4ad5b9de546ded0
sha1
c4af0e6877de4b77e2cd3f230b78bbca1f2a030a
sha256
211ea568b6b291c73eb4febcf077513230eb123ec3e3cc8ed1147da05cad312a
sha512
1f4b1c95a85844d3f7ca65a2c6f1a9e09c9e35cae679cce3f64495be4ca598550816b41a6b34f02240027172e8ca368065da8b9c5beee5993a834db6062ef656
ripemd-160
0b227899aeab699734577ad87e9c0ce2996ac97a
Diameter
129679984
Circumference
407401685.05204
Area
1.320796099978E+16
Volume
1.1418721140828E+24
Surface area
5.2831843999122E+16
Circumference
407401685.05204
Perimeter
259359968
Area
4204224562560064
Diagonal
91697596.070563
Surface area
25225347375360384
Volume
2.726018870026E+23
Space diagonal
112306160.50636
Perimeter
194519976
Area
1.8204826371958E+15
Altitude
56153080.25318
Surface area
1.8204826371958E+15
Volume
3.2126440477298E+22
Height
30565865.356854