64742018 is an even 8-digits composite number following 64742017
and preceding 64742019 . In scientific notation, it is written as 6.4742018 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 27695360 positive integers (up to 64742018) that are relatively prime to 64742018.
64742018 has 16 divisors, whose sum is 106514784
The reverse of 64742018 is 81024746
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-four million seven hundred forty-two thousand eighteen
Scientific notation
6.4742018 × 10^7
Engineering notation
6.4742018 × 10^6
Prime Factorization
2 × 187 × 11 × 15737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64742018
Product of the distinct prime numbers
The prime factorization of 64742018 is 2 × 187 × 11 × 15737.
Since it has a total of 4 prime factors.
8 , 2 , 27 , 100 , 140 , 291 , 5748 , 6922 , 90732 , 11137 , 268290 , 865574 , 6383295 , 2777652 , 84160249 , 58058309 , 870581257 , 646629285 , 1126443743 , 6682190228
n×2
129484036
n×3
194226054
n×4
258968072
n×5
323710090
n÷2
32371009
n÷3
21580672.666667
n÷3
16185504.5
n÷5
12948403.6
n2
4191528894712324
n3
2.7136803914899E+23
n4
1.7568914475208E+31
n5
1.1374469771944E+39
2 √n
8046.2424770821
3 √n
401.539934728
4 √n
89.700849923967
5 √n
36.495325918562
1 , 2 , 11 , 22 , 187 , 374 , 2057 , 4114 , 15737 , 31474 , 173107 , 346214 , 2942819 , 5885638 , 32371009 , 64742018
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
-64742017
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 64742018 can be divided by 16 positive divisors.
The sum of these divisors (counting 64742018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110110111110001010000010
3
Ternary
11111211020100112
4
Quaternary
3312332022002
5
Quinary
113033221033
6
Senary
10231351322
8
Octal
366761202
10
Decimal
64742018
12
Duodecimal
19822542
16
Hexadecimal
3dbe282
20
Vigesimal
104cf0i
36
Base36
12jn9e
md5
1c213157e48e0f69f22271b35bd90042
sha1
79031e5be071e6ab2aec6df860e6c7404ba70d3e
sha256
29208f5dea7631739d6f851404469ac2402ed8f17481376a0e7b05d05da57b7a
sha512
5a74bc6bf07e4db4d895ec976e568b1f1084bc9ed992e177df6036ad00a61722f47024fc77b94e0c5ba48d7908aadd817d3845466bd272d39b11499022f5ddc1
ripemd-160
1b1849a3a7cc94524705e55d5911c86b7c50b97d
Diameter
129484036
Circumference
406786096.25476
Area
1.3168076382938E+16
Volume
1.1367037842794E+24
Surface area
5.267230553175E+16
Circumference
406786096.25476
Perimeter
258968072
Area
4191528894712324
Diagonal
91559039.911003
Surface area
25149173368273944
Volume
2.7136803914899E+23
Space diagonal
112136464.56054
Perimeter
194226054
Area
1.8149852517587E+15
Altitude
56068232.280269
Surface area
1.8149852517587E+15
Volume
3.1981030113257E+22
Height
30519679.970334