64872020 is an even 8-digits composite number following 64872019
and preceding 64872021 . In scientific notation, it is written as 6.4872020 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 18 positive divisors.
There are 25934400 positive integers (up to 64872020) that are relatively prime to 64872020.
64872020 has 18 divisors, whose sum is 136306926
The reverse of 64872020 is 02027846
Previous prime number is 1801
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-four million eight hundred seventy-two thousand twenty
Scientific notation
6.4872020 × 10^7
Engineering notation
6.4872020 × 10^6
Prime Factorization
2 × 2 × 5 × 1801 × 1801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18010
Product of the distinct prime numbers
The prime factorization of 64872020 is 2 × 2 × 5 × 1801 × 1801.
Since it has a total of 5 prime factors.
7 , 10 , 70 , 91 , 228 , 297 , 6420 , 2332 , 70608 , 66114 , 510744 , 420122 , 7417255 , 9012895 , 96260816 , 9745765 , 51758925 , 620719322 , 6488497055 , 2020418365
n×2
129744040
n×3
194616060
n×4
259488080
n×5
324360100
n÷2
32436010
n÷3
21624006.666667
n÷3
16218005
n÷5
12974404
n2
4208378978880400
n3
2.7300604528551E+23
n4
1.7710453629882E+31
n5
1.1489129020868E+39
2 √n
8054.3168549542
3 √n
401.80851915616
4 √n
89.745845892466
5 √n
36.509970686631
1 , 2 , 4 , 5 , 10 , 20 , 1801 , 3602 , 7204 , 9005 , 18010 , 36020 , 3243601 , 6487202 , 12974404 , 16218005 , 32436010 , 64872020
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64872019
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64872020 can be divided by 18 positive divisors.
The sum of these divisors (counting 64872020) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
11110111011101111001010100
3
Ternary
11112001211200102
4
Quaternary
3313131321110
5
Quinary
113101401040
6
Senary
10234233232
8
Octal
367357124
10
Decimal
64872020
12
Duodecimal
19885818
16
Hexadecimal
3ddde54
20
Vigesimal
1059010
36
Base36
12mfkk
md5
80cd32497810f092d30aa62fa74be6ed
sha1
c8b43f30e197994214e17797b975f567eb15f124
sha256
d3407fb689f8095a97bd9b2ac6440294d6d6cdec8c7fdb3354ac0e274b211640
sha512
2cac0a0116530439a45c8bfbb42c43c9685722ff8d6cb296afa8405e4ce5e93cf2aaba1e45d3c5136d578645d6dc8026c3ae7590c9b7896090f2acc3d62d45b5
ripemd-160
66971a6f8fbbe432a1a757e5705328da192df30a
Diameter
129744040
Circumference
407602922.91106
Area
1.3221012483572E+16
Volume
1.1435650483394E+24
Surface area
5.288404993429E+16
Circumference
407602922.91106
Perimeter
259488080
Area
4208378978880400
Diagonal
91742890.502539
Surface area
25250273873282400
Volume
2.7300604528551E+23
Space diagonal
112361634.62962
Perimeter
194616060
Area
1.8222815522314E+15
Altitude
56180817.314812
Surface area
1.8222815522314E+15
Volume
3.2174070987718E+22
Height
30580963.500846