20132381 is an odd 8-digits composite number following 20132380
and preceding 20132382 . In scientific notation, it is written as 2.0132381 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 19072764 positive integers (up to 20132381) that are relatively prime to 20132381.
20132381 has 4 divisors, whose sum is 21192000
The reverse of 20132381 is 18323102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thirty-two thousand three hundred eighty-one
Scientific notation
2.0132381 × 10^7
Engineering notation
2.0132381 × 10^6
Prime Factorization
19 × 1059599
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20132381
Product of the distinct prime numbers
The prime factorization of 20132381 is 19 × 1059599.
Since it has a total of 2 prime factors.
9 , 2 , 96 , 4 , 329 , 873 , 3285 , 3338 , 60232 , 25966 , 424415 , 529764 , 9561322 , 8287531 , 57986170 , 49330726 , 422717550 , 193613953 , 5332760664 , 1185462543
n×2
40264762
n×3
60397143
n×4
80529524
n×5
100661905
n÷2
10066190.5
n÷3
6710793.6666667
n÷3
5033095.25
n÷5
4026476.2
n2
405312764729161
n3
8.1599110036908E+21
n4
1.642784372524E+29
n5
3.3073160888498E+36
2 √n
4486.9121899141
3 √n
272.03934065486
4 √n
66.984417515674
5 √n
28.892094597478
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
-20132380
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 20132381 can be divided by 4 positive divisors.
The sum of these divisors (counting 20132381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011001000011101
3
Ternary
1101212211102202
4
Quaternary
1030303020131
5
Quinary
20123214011
6
Senary
1555301245
8
Octal
114631035
10
Decimal
20132381
12
Duodecimal
68aa825
16
Hexadecimal
133321d
20
Vigesimal
65gaj1
36
Base36
bzi8t
md5
db9a40cda45fbc97d07aac5dcd125e15
sha1
d98202316f59f5d44487767d9ca878d2c9c8c176
sha256
309dab36767f5508c1220456a94cefbdcb207308e164e8bd62b77072428120ae
sha512
da0195634ec8413db7223c559f058325f63ff81300b4b2f1f274ce6b67c66076e25b6e467b3ccde2c8c7064e006369c18da37f38c4b6ef4aa1568ae2e31eba92
ripemd-160
d6a2d9ac49618fbf608866c454a7ef300153128c
Diameter
40264762
Circumference
126495480.49774
Area
1.2733276040793E+15
Volume
3.4180155284189E+22
Surface area
5.0933104163172E+15
Circumference
126495480.49774
Perimeter
80529524
Area
405312764729161
Diagonal
28471486.253062
Surface area
2431876588374966
Volume
8.1599110036908E+21
Space diagonal
34870306.769334
Perimeter
60397143
Area
1.7550557536678E+14
Altitude
17435153.384667
Surface area
1.7550557536678E+14
Volume
9.6165473409809E+20
Height
9490495.4176875