64839918 is an even 8-digits composite number following 64839917
and preceding 64839919 . In scientific notation, it is written as 6.4839918 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 18136800 positive integers (up to 64839918) that are relatively prime to 64839918.
64839918 has 16 divisors, whose sum is 108823680
The reverse of 64839918 is 81993846
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-four million eight hundred thirty-nine thousand nine hundred eighteen
Scientific notation
6.4839918 × 10^7
Engineering notation
6.4839918 × 10^6
Prime Factorization
2 × 39 × 11 × 75571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64839918
Product of the distinct prime numbers
The prime factorization of 64839918 is 2 × 39 × 11 × 75571.
Since it has a total of 4 prime factors.
1 , 9 , 34 , 41 , 253 , 143 , 5513 , 9026 , 52626 , 75635 , 712768 , 519758 , 6313708 , 2330149 , 70714814 , 13128515 , 849682211 , 721245057 , 2623328819 , 9092822149
n×2
129679836
n×3
194519754
n×4
259359672
n×5
324199590
n÷2
32419959
n÷3
21613306
n÷3
16209979.5
n÷5
12967983.6
n2
4204214966246724
n3
2.7260095366581E+23
n4
1.7675423482413E+31
n5
1.1460730092149E+39
2 √n
8052.3237639827
3 √n
401.74222973822
4 √n
89.734741120609
5 √n
36.506356570274
1 , 2 , 11 , 22 , 39 , 78 , 429 , 858 , 75571 , 151142 , 831281 , 1662562 , 2947269 , 5894538 , 32419959 , 64839918
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64839917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64839918 can be divided by 16 positive divisors.
The sum of these divisors (counting 64839918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111010110000011101110
3
Ternary
11112000012122110
4
Quaternary
3313112003232
5
Quinary
113044334133
6
Senary
10233424450
8
Octal
367260356
10
Decimal
64839918
12
Duodecimal
1986b126
16
Hexadecimal
3dd60ee
20
Vigesimal
1054jfi
36
Base36
12lqsu
md5
f20c63cf193db811c82c38ebe1ca6990
sha1
568fef40ba1a866eb74c5aa4ad584f43f1b4499c
sha256
8826b031747cb108bdef8fde5c2eafbd4d64bc83a6dc343a2858e73e06581b04
sha512
c1aae39da59a255914e257ec86d18427e06b9d54ce9f1db22ed9366cb5eac09b35843e94f8d8a260394b09762bb3bbf95ea7a4008e715791e3660251274d5873
ripemd-160
612fd3d43214e1d9a360e15273e8fd3e5c5a6f1e
Diameter
129679836
Circumference
407401220.09633
Area
1.3207930852073E+16
Volume
1.1418682045308E+24
Surface area
5.2831723408292E+16
Circumference
407401220.09633
Perimeter
259359672
Area
4204214966246724
Diagonal
91697491.418759
Surface area
25225289797480344
Volume
2.7260095366581E+23
Space diagonal
112306032.3346
Perimeter
194519754
Area
1.8204784818702E+15
Altitude
56153016.1673
Surface area
1.8204784818702E+15
Volume
3.2126330482502E+22
Height
30565830.47292