20145188 is an even 8-digits composite number following 20145187
and preceding 20145189 . In scientific notation, it is written as 2.0145188 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 8555904 positive integers (up to 20145188) that are relatively prime to 20145188.
20145188 has 24 divisors, whose sum is 40653312
The reverse of 20145188 is 88154102
Previous prime number is 6367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred forty-five thousand one hundred eighty-eight
Scientific notation
2.0145188 × 10^7
Engineering notation
2.0145188 × 10^6
Prime Factorization
2 × 2 × 7 × 6367 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10072594
Product of the distinct prime numbers
The prime factorization of 20145188 is 2 × 2 × 7 × 6367 × 113.
Since it has a total of 5 prime factors.
4 , 7 , 97 , 28 , 382 , 200 , 1105 , 5963 , 54745 , 93850 , 178744 , 926887 , 8648262 , 1145052 , 91709857 , 16083369 , 624157988 , 627940777 , 4265997991 , 346998151
n×2
40290376
n×3
60435564
n×4
80580752
n×5
100725940
n÷2
10072594
n÷3
6715062.6666667
n÷3
5036297
n÷5
4029037.6
n2
405828599555344
n3
8.1754934338191E+21
n4
1.6469685221705E+29
n5
3.3178490509207E+36
2 √n
4488.339113748
3 √n
272.09701340479
4 √n
66.995067831505
5 √n
28.89576954221
1 , 2 , 4 , 7 , 14 , 28 , 113 , 226 , 452 , 791 , 1582 , 3164 , 6367 , 12734 , 25468 , 44569 , 89138 , 178276 , 719471 , 1438942 , 2877884 , 5036297 , 10072594 , 20145188
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145188 can be divided by 24 positive divisors.
The sum of these divisors (counting 20145188) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110010000100100
3
Ternary
1101220111000002
4
Quaternary
1030312100210
5
Quinary
20124121223
6
Senary
1555440432
8
Octal
114662044
10
Decimal
20145188
12
Duodecimal
68b6118
16
Hexadecimal
1336424
20
Vigesimal
65i2j8
36
Base36
bzs4k
md5
61a8631dc20645802a4f033b87c2159b
sha1
d60844decaff322b7245dd2b3d641acc5e082903
sha256
af2e772538154a80269d1af578c7bcc22dcf7e98fcaed190b7d01504bbcab3cf
sha512
4f42014a0cd945b7f0fd52445ea2b5724afbeb83c511f5029f837760538e3c85e82533d6233d6ca9a4fce2bac51a980bc9698bcfc9ed28e5625cc5e92ade6722
ripemd-160
17fb81895c04e6e8641c625b71d53e8aaf906d4b
Diameter
40290376
Circumference
126575949.25197
Area
1.2749481469797E+15
Volume
3.4245426814877E+22
Surface area
5.0997925879188E+15
Circumference
126575949.25197
Perimeter
80580752
Area
405828599555344
Diagonal
28489598.086156
Surface area
2434971597332064
Volume
8.1754934338191E+21
Space diagonal
34892489.144027
Perimeter
60435564
Area
1.757289383986E+14
Altitude
17446244.572013
Surface area
1.757289383986E+14
Volume
9.6349114109993E+20
Height
9496532.6953852