20145746 is an even 8-digits composite number following 20145745
and preceding 20145747 . In scientific notation, it is written as 2.0145746 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9542544 positive integers (up to 20145746) that are relatively prime to 20145746.
20145746 has 16 divisors, whose sum is 31834944
The reverse of 20145746 is 64754102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-five thousand seven hundred forty-six
Scientific notation
2.0145746 × 10^7
Engineering notation
2.0145746 × 10^6
Prime Factorization
2 × 23 × 107 × 4093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145746
Product of the distinct prime numbers
The prime factorization of 20145746 is 2 × 23 × 107 × 4093.
Since it has a total of 4 prime factors.
2 , 7 , 32 , 4 , 748 , 727 , 1189 , 1704 , 31714 , 37640 , 607849 , 145015 , 5386217 , 7128504 , 60487243 , 19074047 , 848773458 , 212081575 , 7846781899 , 9383123994
n×2
40291492
n×3
60437238
n×4
80582984
n×5
100728730
n÷2
10072873
n÷3
6715248.6666667
n÷3
5036436.5
n÷5
4029149.2
n2
405851081896516
n3
8.1761728097124E+21
n4
1.6471510067657E+29
n5
3.3183085805947E+36
2 √n
4488.401274396
3 √n
272.09952564629
4 √n
66.995531749483
5 √n
28.895929616772
1 , 2 , 23 , 46 , 107 , 214 , 2461 , 4093 , 4922 , 8186 , 94139 , 188278 , 437951 , 875902 , 10072873 , 20145746
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
-20145745
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 20145746 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110011001010010
3
Ternary
1101220111202202
4
Quaternary
1030312121102
5
Quinary
20124130441
6
Senary
1555443202
8
Octal
114663122
10
Decimal
20145746
12
Duodecimal
68b6502
16
Hexadecimal
1336652
20
Vigesimal
65i476
36
Base36
bzsk2
md5
483d5999280005a55eecedb6c9c5c6d1
sha1
8f29331f6f69cf636c5c43c2752ddc1771f8e5fc
sha256
510ad0b1f68ec950cbedc9e56a1a9c325bd76f5d7b019090285081358556b816
sha512
93656bd8778eabf96bda6badaa40c2c208facbfba7934c7b21673210183f3a44a1f4439e8376d33e08d81314358bb5f146ef87984c5e460b033eccde894cfb4a
ripemd-160
b1cc9422ccd934743e125e67297887703248f55b
Diameter
40291492
Circumference
126579455.26937
Area
1.2750187773376E+15
Volume
3.4248272577964E+22
Surface area
5.1000751093503E+15
Circumference
126579455.26937
Perimeter
80582984
Area
405851081896516
Diagonal
28490387.217324
Surface area
2435106491379096
Volume
8.1761728097124E+21
Space diagonal
34893455.628377
Perimeter
60437238
Area
1.7573867353789E+14
Altitude
17446727.814189
Surface area
1.7573867353789E+14
Volume
9.6357120631679E+20
Height
9496795.7391078