20145423 is an odd 8-digits composite number following 20145422
and preceding 20145424 . In scientific notation, it is written as 2.0145423 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13430280 positive integers (up to 20145423) that are relatively prime to 20145423.
20145423 has 4 divisors, whose sum is 26860568
The reverse of 20145423 is 32454102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-five thousand four hundred twenty-three
Scientific notation
2.0145423 × 10^7
Engineering notation
2.0145423 × 10^6
Prime Factorization
3 × 6715141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145423
Product of the distinct prime numbers
The prime factorization of 20145423 is 3 × 6715141.
Since it has a total of 2 prime factors.
8 , 10 , 92 , 54 , 644 , 882 , 8987 , 5214 , 10605 , 44280 , 53416 , 89396 , 8900753 , 504094 , 20785580 , 94715663 , 29698220 , 509690281 , 5536454886 , 6842500098
n×2
40290846
n×3
60436269
n×4
80581692
n×5
100727115
n÷2
10072711.5
n÷3
6715141
n÷3
5036355.75
n÷5
4029084.6
n2
405838067848929
n3
8.1757795463194E+21
n4
1.6470453731535E+29
n5
3.318042574237E+36
2 √n
4488.3652926205
3 √n
272.0980714333
4 √n
66.995263210323
5 √n
28.895836957557
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145422
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145423 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145423) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010100001111
3
Ternary
1101220111022210
4
Quaternary
1030312110033
5
Quinary
20124123143
6
Senary
1555441503
8
Octal
114662417
10
Decimal
20145423
12
Duodecimal
68b6293
16
Hexadecimal
133650f
20
Vigesimal
65i3b3
36
Base36
bzsb3
md5
3755003edd142a943d4ccc7af9e547f5
sha1
4fb458303c0eca28e21bbcee1eedf8ae46137675
sha256
ba7f11ae871df62f64deb650bd5e8e91e9e58fd32216d24fb83220257f85f7d6
sha512
ce6e16172382602abccd04443071969c4ce5a94849bc97777432b74f0ecf99427f742609ef0f1416a8801c1590dc737945a05c27ae06447394cbb489ce753655
ripemd-160
63d29f2aa114f90d1b70d66b17337056f63664e1
Diameter
40290846
Circumference
126577425.80052
Area
1.2749778925013E+15
Volume
3.4246625280116E+22
Surface area
5.0999115700051E+15
Circumference
126577425.80052
Perimeter
80581692
Area
405838067848929
Diagonal
28489930.426343
Surface area
2435028407093574
Volume
8.1757795463194E+21
Space diagonal
34892896.175967
Perimeter
60436269
Area
1.7573303828998E+14
Altitude
17446448.087983
Surface area
1.7573303828998E+14
Volume
9.6352485978145E+20
Height
9496643.4754476