20145138 is an even 8-digits composite number following 20145137
and preceding 20145139 . In scientific notation, it is written as 2.0145138 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6198192 positive integers (up to 20145138) that are relatively prime to 20145138.
20145138 has 24 divisors, whose sum is 43630128
The reverse of 20145138 is 83154102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand one hundred thirty-eight
Scientific notation
2.0145138 × 10^7
Engineering notation
2.0145138 × 10^6
Prime Factorization
2 × 3 × 13 × 13 × 19867
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1549626
Product of the distinct prime numbers
The prime factorization of 20145138 is 2 × 3 × 13 × 13 × 19867.
Since it has a total of 5 prime factors.
7 , 1 , 85 , 90 , 340 , 277 , 8965 , 4566 , 25524 , 41484 , 143925 , 45 , 9402969 , 2560122 , 92974324 , 14669058 , 378610103 , 260455021 , 791262620 , 4084746905
n×2
40290276
n×3
60435414
n×4
80580552
n×5
100725690
n÷2
10072569
n÷3
6715046
n÷3
5036284.5
n÷5
4029027.6
n2
405826585039044
n3
8.1754325596803E+21
n4
1.6469521712445E+29
n5
3.3178078769121E+36
2 √n
4488.3335437554
3 √n
272.09678829128
4 √n
66.995026261323
5 √n
28.895755198438
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 169 , 338 , 507 , 1014 , 19867 , 39734 , 59601 , 119202 , 258271 , 516542 , 774813 , 1549626 , 3357523 , 6715046 , 10072569 , 20145138
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
-20145137
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 20145138 can be divided by 24 positive divisors.
The sum of these divisors (counting 20145138) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110001111110010
3
Ternary
1101220110221020
4
Quaternary
1030312033302
5
Quinary
20124121023
6
Senary
1555440310
8
Octal
114661762
10
Decimal
20145138
12
Duodecimal
68b6096
16
Hexadecimal
13363f2
20
Vigesimal
65i2gi
36
Base36
bzs36
md5
2139de483932049f4bf3af6ba6e50d89
sha1
c4affa4866b339841ae31ca612c8b79e92973d97
sha256
364a9fd9deb90de35f41f7a1aadd22343bf2e396c8863982d4a5e6de313e2ff1
sha512
488167ffe90ad3c433dc607dcf30c352145b13af9fd5cdd37518fe91d6a44c35af2a6cf5c648fc4a005e5eaa6d5dd9001aa75c3f843977d7943dd1c37ce00a1d
ripemd-160
48f81921644a3c8bf2dfb8ceaa41a6f71e25a760
Diameter
40290276
Circumference
126575635.09271
Area
1.2749418181901E+15
Volume
3.424517182588E+22
Surface area
5.0997672727604E+15
Circumference
126575635.09271
Perimeter
80580552
Area
405826585039044
Diagonal
28489527.375478
Surface area
2434959510234264
Volume
8.1754325596803E+21
Space diagonal
34892402.541486
Perimeter
60435414
Area
1.7572806608745E+14
Altitude
17446201.270743
Surface area
1.7572806608745E+14
Volume
9.6348396701387E+20
Height
9496509.1251592