64838021 is an odd 8-digits prime number following 64838020
and preceding 64838022 . In scientific notation, it is written as 6.4838021 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 64838020 positive integers (up to 64838021) that are relatively prime to 64838021.
64838021 has 2 divisors, whose sum is 64838022
The reverse of 64838021 is 12083846
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-four million eight hundred thirty-eight thousand twenty-one
Scientific notation
6.4838021 × 10^7
Engineering notation
6.4838021 × 10^6
Prime Factorization
64838021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
64838021
Product of the distinct prime numbers
The prime factorization of 64838021 is 64838021.
Since it has a total of 1 prime factors.
1 , 4 , 72 , 66 , 24 , 845 , 9436 , 5322 , 30922 , 70676 , 661459 , 612035 , 4772138 , 6335203 , 29365076 , 20781991 , 603705426 , 520716548 , 8501525626 , 5334084706
n×2
129676042
n×3
194514063
n×4
259352084
n×5
324190105
n÷2
32419010.5
n÷3
21612673.666667
n÷3
16209505.25
n÷5
12967604.2
n2
4203968967196441
n3
2.7257702817843E+23
n4
1.7673355077151E+31
n5
1.1459053676328E+39
2 √n
8052.2059710368
3 √n
401.73831182024
4 √n
89.73408477851
5 √n
36.506142956899
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
64838022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
32419011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8052.2060331315
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999691539
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64838021 can be divided by 2 positive divisors.
The sum of these divisors (counting 64838021) is 64838022, the average is 32419011.
Base
System
Value
2
Binary
11110111010101100110000101
3
Ternary
11112000010001012
4
Quaternary
3313111212011
5
Quinary
113044304041
6
Senary
10233412005
8
Octal
367254605
10
Decimal
64838021
12
Duodecimal
1986a005
16
Hexadecimal
3dd5985
20
Vigesimal
1054f11
36
Base36
12lpc5
md5
17e83d0063ba9ed170209293384ba76c
sha1
642cbc17728af65008599abebf44b1ed8553a86d
sha256
6d8cab28e23b3338a304f97ee4df094496794dd0d02af323044286ea5ac6f442
sha512
3ef3a6239c7143ba6aacab5e9436337cd8a5c5b6bb6021fa78e5930c98f44b1ecd1914c43eed43f6541f80a94c751cae168f09ca6f9509b9bbae90b4c860437f
ripemd-160
bca64eacb158095f0c81e9beabef22c29dd92ea1
Diameter
129676042
Circumference
407389300.8938
Area
1.3207158023264E+16
Volume
1.1417679856836E+24
Surface area
5.2828632093055E+16
Circumference
407389300.8938
Perimeter
259352084
Area
4203968967196441
Diagonal
91694808.655632
Surface area
25223813803178646
Volume
2.7257702817843E+23
Space diagonal
112302746.63422
Perimeter
194514063
Area
1.8203719611568E+15
Altitude
56151373.317109
Surface area
1.8203719611568E+15
Volume
3.2123510836774E+22
Height
30564936.218544