64839942 is an even 8-digits composite number following 64839941
and preceding 64839943 . In scientific notation, it is written as 6.4839942 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 20856960 positive integers (up to 64839942) that are relatively prime to 64839942.
64839942 has 32 divisors, whose sum is 111908160
The reverse of 64839942 is 24993846
Previous prime number is 853
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-four million eight hundred thirty-nine thousand nine hundred forty-two
Scientific notation
6.4839942 × 10^7
Engineering notation
6.4839942 × 10^6
Prime Factorization
2 × 9 × 41 × 853 × 103
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64839942
Product of the distinct prime numbers
The prime factorization of 64839942 is 2 × 9 × 41 × 853 × 103.
Since it has a total of 5 prime factors.
3 , 3 , 97 , 82 , 151 , 250 , 3670 , 1054 , 96423 , 29206 , 106362 , 487582 , 1378036 , 7246176 , 81897758 , 43006357 , 467066007 , 261677995 , 8659219811 , 1746860456
n×2
129679884
n×3
194519826
n×4
259359768
n×5
324199710
n÷2
32419971
n÷3
21613314
n÷3
16209985.5
n÷5
12967988.4
n2
4204218078563364
n3
2.726012563694E+23
n4
1.7675449652119E+31
n5
1.1460751302673E+39
2 √n
8052.3252542356
3 √n
401.74227930548
4 √n
89.734749424265
5 √n
36.506359272784
1 , 2 , 9 , 18 , 41 , 82 , 103 , 206 , 369 , 738 , 853 , 927 , 1706 , 1854 , 4223 , 7677 , 8446 , 15354 , 34973 , 38007 , 69946 , 76014 , 87859 , 175718 , 314757 , 629514 , 790731 , 1581462 , 3602219 , 7204438 , 32419971 , 64839942
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
-64839941
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 64839942 can be divided by 32 positive divisors.
The sum of these divisors (counting 64839942) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11110111010110000100000110
3
Ternary
11112000012200100
4
Quaternary
3313112010012
5
Quinary
113044334232
6
Senary
10233424530
8
Octal
367260406
10
Decimal
64839942
12
Duodecimal
1986b146
16
Hexadecimal
3dd6106
20
Vigesimal
1054jh2
36
Base36
12lqti
md5
c4a71ab0ea6b06778fafdbed9dce5372
sha1
db98b4994432a9667b343348cccb5f937a5578a3
sha256
6b21c7e4ca12ef2aae2e3a32cc877abb698b61a014a8bffe8318336836f1291c
sha512
32cc561df9244f9936d99d48d4098775b6ced37d84782083bab1ac9b64760e4e346af5b65cc87a0cf24f4e52c19384197b355ac5fca37464239bd302f55924fc
ripemd-160
5f2b7166a845e1f7775add779adb65a6ef1e47ed
Diameter
129679884
Circumference
407401370.89278
Area
1.3207940629704E+16
Volume
1.1418694724926E+24
Surface area
5.2831762518816E+16
Circumference
407401370.89278
Perimeter
259359768
Area
4204218078563364
Diagonal
91697525.359885
Surface area
25225308471380184
Volume
2.726012563694E+23
Space diagonal
112306073.90382
Perimeter
194519826
Area
1.8204798295428E+15
Altitude
56153036.95191
Surface area
1.8204798295428E+15
Volume
3.2126366156463E+22
Height
30565841.786628