64839938 is an even 8-digits composite number following 64839937
and preceding 64839939 . In scientific notation, it is written as 6.4839938 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 29994816 positive integers (up to 64839938) that are relatively prime to 64839938.
64839938 has 16 divisors, whose sum is 104729760
The reverse of 64839938 is 83993846
Previous prime number is 17
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 thirty-eight
Scientific notation
6.4839938 × 10^7
Engineering notation
6.4839938 × 10^6
Prime Factorization
2 × 59 × 17 × 32323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64839938
Product of the distinct prime numbers
The prime factorization of 64839938 is 2 × 59 × 17 × 32323.
Since it has a total of 4 prime factors.
6 , 2 , 78 , 28 , 143 , 926 , 7256 , 2275 , 81057 , 17518 , 625723 , 516165 , 1816847 , 3067702 , 11746787 , 92334645 , 390093613 , 561979884 , 5874718541 , 9776324372
n×2
129679876
n×3
194519814
n×4
259359752
n×5
324199690
n÷2
32419969
n÷3
21613312.666667
n÷3
16209984.5
n÷5
12967987.6
n2
4204217559843844
n3
2.7260120591879E+23
n4
1.7675445290499E+31
n5
1.1460747767584E+39
2 √n
8052.3250058601
3 √n
401.74227104427
4 √n
89.734748040322
5 √n
36.506358822366
1 , 2 , 17 , 34 , 59 , 118 , 1003 , 2006 , 32323 , 64646 , 549491 , 1098982 , 1907057 , 3814114 , 32419969 , 64839938
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
-64839937
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 64839938 can be divided by 16 positive divisors.
The sum of these divisors (counting 64839938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111010110000100000010
3
Ternary
11112000012200012
4
Quaternary
3313112010002
5
Quinary
113044334223
6
Senary
10233424522
8
Octal
367260402
10
Decimal
64839938
12
Duodecimal
1986b142
16
Hexadecimal
3dd6102
20
Vigesimal
1054jgi
36
Base36
12lqte
md5
1e2db739c791f535513aa0df8e4b524e
sha1
8eab37bb6a33d2819c4e4506b08b1935f152fa90
sha256
aa2c9f226c542cadfd751fdfce460a8256e9f4c68b02594e85ad954a24aff544
sha512
986ce656039da192a84043b0e180dd5ea95a43d2ca9e48b00be9a7c75abd05e6ebad464ef19633b105069ff2a91ff7dfa24954d0a3b3d32bb0bd613c37c24aa4
ripemd-160
9edb97c5610b5e0dc57c05faf8bc86b6a215ec5d
Diameter
129679876
Circumference
407401345.76004
Area
1.3207939000099E+16
Volume
1.1418692611656E+24
Surface area
5.2831756000395E+16
Circumference
407401345.76004
Perimeter
259359752
Area
4204217559843844
Diagonal
91697519.703031
Surface area
25225305359063064
Volume
2.7260120591879E+23
Space diagonal
112306066.97562
Perimeter
194519814
Area
1.8204796049307E+15
Altitude
56153033.487808
Surface area
1.8204796049307E+15
Volume
3.2126360210801E+22
Height
30565839.90101