20145470 is an even 8-digits composite number following 20145469
and preceding 20145471 . In scientific notation, it is written as 2.0145470 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 7707744 positive integers (up to 20145470) that are relatively prime to 20145470.
20145470 has 16 divisors, whose sum is 37838880
The reverse of 20145470 is 07454102
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-five thousand four hundred seventy
Scientific notation
2.0145470 × 10^7
Engineering notation
2.0145470 × 10^6
Prime Factorization
2 × 5 × 23 × 87589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145470
Product of the distinct prime numbers
The prime factorization of 20145470 is 2 × 5 × 23 × 87589.
Since it has a total of 4 prime factors.
10 , 4 , 36 , 11 , 372 , 485 , 9198 , 4784 , 63483 , 56398 , 774763 , 168817 , 2793087 , 5714028 , 24084746 , 43377691 , 221163168 , 93291251 , 9984178489 , 401148000
n×2
40290940
n×3
60436410
n×4
80581880
n×5
100727350
n÷2
10072735
n÷3
6715156.6666667
n÷3
5036367.5
n÷5
4029094
n2
405839961520900
n3
8.1758367696204E+21
n4
1.6470607436729E+29
n5
3.3180812799839E+36
2 √n
4488.3705283766
3 √n
272.09828303801
4 √n
66.995302285882
5 √n
28.89585044055
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 87589 , 175178 , 437945 , 875890 , 2014547 , 4029094 , 10072735 , 20145470
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
-20145469
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 20145470 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145470) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010100111110
3
Ternary
1101220111101112
4
Quaternary
1030312110332
5
Quinary
20124123340
6
Senary
1555442022
8
Octal
114662476
10
Decimal
20145470
12
Duodecimal
68b6312
16
Hexadecimal
133653e
20
Vigesimal
65i3da
36
Base36
bzsce
md5
286305fe9b6a3adbdc699d8ab20207a9
sha1
4ca64c31a7aabeb7f1e53565c2e418f57796be74
sha256
537d522b172b9d9b73675877267fee7da10d75674f82428b96e8edb82759be3e
sha512
7c741bf28775939cab8ec87a0a8641e2cd96b14c2ff641b1972fae7a25931e0bfef3117a30b208cc1d0fd2311cdb26cf4d85a0b99f7dc56f238bac611a86a849
ripemd-160
0bbc0ac2b0afaffa282d17e487d87f1289e5f2da
Diameter
40290940
Circumference
126577721.11023
Area
1.2749838416472E+15
Volume
3.4246864976519E+22
Surface area
5.0999353665889E+15
Circumference
126577721.11023
Perimeter
80581880
Area
405839961520900
Diagonal
28489996.89438
Surface area
2435039769125400
Volume
8.1758367696204E+21
Space diagonal
34892977.582355
Perimeter
60436410
Area
1.75733858274E+14
Altitude
17446488.791177
Surface area
1.75733858274E+14
Volume
9.6353160361216E+20
Height
9496665.6314601