20145252 is an even 8-digits composite number following 20145251
and preceding 20145253 . In scientific notation, it is written as 2.0145252 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 6715080 positive integers (up to 20145252) that are relatively prime to 20145252.
20145252 has 12 divisors, whose sum is 47005616
The reverse of 20145252 is 25254102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-five thousand two hundred fifty-two
Scientific notation
2.0145252 × 10^7
Engineering notation
2.0145252 × 10^6
Prime Factorization
2 × 2 × 3 × 1678771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10072626
Product of the distinct prime numbers
The prime factorization of 20145252 is 2 × 2 × 3 × 1678771.
Since it has a total of 4 prime factors.
10 , 8 , 6 , 79 , 167 , 9 , 5883 , 8383 , 28014 , 60436 , 838707 , 11585 , 6568272 , 969995 , 27094265 , 65352949 , 100587940 , 313323006 , 1642337919 , 5933856189
n×2
40290504
n×3
60435756
n×4
80581008
n×5
100726260
n÷2
10072626
n÷3
6715084
n÷3
5036313
n÷5
4029050.4
n2
405831178143504
n3
8.1755713531578E+21
n4
1.6469894515334E+29
n5
3.3179017542483E+36
2 √n
4488.3462433284
3 √n
272.09730154954
4 √n
66.995121041225
5 √n
28.895787902197
1 , 2 , 3 , 4 , 6 , 12 , 1678771 , 3357542 , 5036313 , 6715084 , 10072626 , 20145252
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145252 can be divided by 12 positive divisors.
The sum of these divisors (counting 20145252) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110110010001100100
3
Ternary
1101220111002110
4
Quaternary
1030312101210
5
Quinary
20124122002
6
Senary
1555441020
8
Octal
114662144
10
Decimal
20145252
12
Duodecimal
68b6170
16
Hexadecimal
1336464
20
Vigesimal
65i32c
36
Base36
bzs6c
md5
22efb7bf4cdc7e6233f432e38d776cf5
sha1
7e0b3eeb7f98c447226c127882c2b5deb68e7fe3
sha256
0024d8a35ae947dd57b40b5136df83fa23fd34c0e56d8a69981e4068b7eaab91
sha512
247672178b1fbc19f01f0ea1dea048c036ffee0588b04a86b5260ed0b96e629f28187b5f6d69842afc2d3cadf339a38b06753266faca82784451990503b12387
ripemd-160
e64b00ae2346e516115d6da51350ac91461a923b
Diameter
40290504
Circumference
126576351.37583
Area
1.2749562478533E+15
Volume
3.424575320264E+22
Surface area
5.0998249914133E+15
Circumference
126576351.37583
Perimeter
80581008
Area
405831178143504
Diagonal
28489688.595824
Surface area
2434987068861024
Volume
8.1755713531578E+21
Space diagonal
34892599.995279
Perimeter
60435756
Area
1.7573005496002E+14
Altitude
17446299.997639
Surface area
1.7573005496002E+14
Volume
9.6350032398206E+20
Height
9496562.8652746