20151380 is an even 8-digits composite number following 20151379
and preceding 20151381 . In scientific notation, it is written as 2.0151380 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 7969280 positive integers (up to 20151380) that are relatively prime to 20151380.
20151380 has 24 divisors, whose sum is 42797160
The reverse of 20151380 is 08315102
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred fifty-one thousand three hundred eighty
Scientific notation
2.0151380 × 10^7
Engineering notation
2.0151380 × 10^6
Prime Factorization
2 × 2 × 5 × 89 × 11321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10075690
Product of the distinct prime numbers
The prime factorization of 20151380 is 2 × 2 × 5 × 89 × 11321.
Since it has a total of 5 prime factors.
8 , 1 , 78 , 66 , 732 , 563 , 9013 , 1964 , 69005 , 63835 , 333749 , 211240 , 4588379 , 8881958 , 62097866 , 73917405 , 985294859 , 729997729 , 6898753239 , 8320029841
n×2
40302760
n×3
60454140
n×4
80605520
n×5
100756900
n÷2
10075690
n÷3
6717126.6666667
n÷3
5037845
n÷5
4030276
n2
406078115904400
n3
8.1830344232736E+21
n4
1.6489943621647E+29
n5
3.3229512009838E+36
2 √n
4489.0288482031
3 √n
272.12488858299
4 √n
67.000215284752
5 √n
28.897545654808
1 , 2 , 4 , 5 , 10 , 20 , 89 , 178 , 356 , 445 , 890 , 1780 , 11321 , 22642 , 45284 , 56605 , 113210 , 226420 , 1007569 , 2015138 , 4030276 , 5037845 , 10075690 , 20151380
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
-20151379
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 20151380 can be divided by 24 positive divisors.
The sum of these divisors (counting 20151380) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110111110001010100
3
Ternary
1101220210111102
4
Quaternary
1030313301110
5
Quinary
20124321010
6
Senary
1555525232
8
Octal
114676124
10
Decimal
20151380
12
Duodecimal
68b9818
16
Hexadecimal
1337c54
20
Vigesimal
65ii90
36
Base36
bzwwk
md5
2c45ff60de838ff428adc01279768045
sha1
ff42ad8fd93eeaf947b7e4d38ffa717944b868c6
sha256
cb26c27092c527c6c883afba0ad2f8e2239a0ca34a0547b804d7fb2084a63a16
sha512
b36cdb4123df80f1b13f3eb18958a75eea879ed790ae6e543a9b8c35dcf53c5b6047dfa6b051cd84e36936c690806d176bc51e4f25862475fa9be132f9c28e9a
ripemd-160
458b4aff93a16926c8bae26bef6142feda07a74f
Diameter
40302760
Circumference
126614854.73539
Area
1.2757320257088E+15
Volume
3.4277014437638E+22
Surface area
5.1029281028354E+15
Circumference
126614854.73539
Perimeter
80605520
Area
406078115904400
Diagonal
28498354.896534
Surface area
2436468695426400
Volume
8.1830344232736E+21
Space diagonal
34903214.002627
Perimeter
60454140
Area
1.7583698214707E+14
Altitude
17451607.001314
Surface area
1.7583698214707E+14
Volume
9.6437985522995E+20
Height
9499451.632178