20142381 is an odd 8-digits composite number following 20142380
and preceding 20142382 . In scientific notation, it is written as 2.0142381 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 11444160 positive integers (up to 20142381) that are relatively prime to 20142381.
20142381 has 16 divisors, whose sum is 24254208
The reverse of 20142381 is 18324102
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-two thousand three hundred eighty-one
Scientific notation
2.0142381 × 10^7
Engineering notation
2.0142381 × 10^6
Prime Factorization
21 × 7 × 263 × 521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20142381
Product of the distinct prime numbers
The prime factorization of 20142381 is 21 × 7 × 263 × 521.
Since it has a total of 4 prime factors.
10 , 10 , 4 , 52 , 159 , 64 , 161 , 1763 , 50345 , 54595 , 683341 , 628558 , 2375721 , 4650720 , 65082569 , 74233446 , 604367821 , 300421144 , 104361333 , 3404310924
n×2
40284762
n×3
60427143
n×4
80569524
n×5
100711905
n÷2
10071190.5
n÷3
6714127
n÷3
5035595.25
n÷5
4028476.2
n2
405715512349161
n3
8.172076427347E+21
n4
1.6460507696074E+29
n5
3.3155381746776E+36
2 √n
4488.0264036656
3 √n
272.08437495579
4 √n
66.992733961719
5 √n
28.894964238768
1 , 7 , 21 , 147 , 263 , 521 , 1841 , 3647 , 5523 , 10941 , 38661 , 76587 , 137023 , 959161 , 2877483 , 20142381
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20142380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20142381 can be divided by 16 positive divisors.
The sum of these divisors (counting 20142381) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110101100100101101
3
Ternary
1101220100011010
4
Quaternary
1030311210231
5
Quinary
20124024011
6
Senary
1555415433
8
Octal
114654455
10
Decimal
20142381
12
Duodecimal
68b4579
16
Hexadecimal
133592d
20
Vigesimal
65hfj1
36
Base36
bzpyl
md5
f4fc4076e163e1f8ab8018b763e2435c
sha1
133069c22512e3bfa85ee31fa836f42298180cc6
sha256
99b52800b0b4893a00cf932bc8ea88acda18211309f82787068066cecd82f343
sha512
058a26befb57bcd026b594ef05041d05a7e170f0c2194e7a2151f14dda080d7864db3aacb39d0400830307d16a1778fa4d146a7edd16bd00013f9ef14d5c59c7
ripemd-160
a807d40749228275b69d3fc70761866d11102109
Diameter
40284762
Circumference
126558312.35081
Area
1.2745928730435E+15
Volume
3.4231113691637E+22
Surface area
5.0983714921742E+15
Circumference
126558312.35081
Perimeter
80569524
Area
405715512349161
Diagonal
28485628.388686
Surface area
2434293074094966
Volume
8.172076427347E+21
Space diagonal
34887627.27741
Perimeter
60427143
Area
1.756799702019E+14
Altitude
17443813.638705
Surface area
1.756799702019E+14
Volume
9.630884430253E+20
Height
9495209.4628954