20081378 is an even 8-digits composite number following 20081377
and preceding 20081379 . In scientific notation, it is written as 2.0081378 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 10040688 positive integers (up to 20081378) that are relatively prime to 20081378.
20081378 has 4 divisors, whose sum is 30122070
The reverse of 20081378 is 87318002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eighty-one thousand three hundred seventy-eight
Scientific notation
2.0081378 × 10^7
Engineering notation
2.0081378 × 10^6
Prime Factorization
2 × 10040689
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20081378
Product of the distinct prime numbers
The prime factorization of 20081378 is 2 × 10040689.
Since it has a total of 2 prime factors.
7 , 9 , 65 , 35 , 366 , 131 , 8579 , 8293 , 1963 , 6687 , 742183 , 88556 , 1354363 , 7798979 , 60971181 , 56712734 , 992567044 , 693741387 , 4846578997 , 6445394236
n×2
40162756
n×3
60244134
n×4
80325512
n×5
100406890
n÷2
10040689
n÷3
6693792.6666667
n÷3
5020344.5
n÷5
4016275.6
n2
403261742378884
n3
8.098051481649E+21
n4
1.6262003286645E+29
n5
3.2656343503637E+36
2 √n
4481.2250557186
3 √n
271.8094199159
4 √n
66.941952882468
5 √n
28.877440801346
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
-20081377
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 20081378 can be divided by 4 positive divisors.
The sum of these divisors (counting 20081378) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110101011100010
3
Ternary
1101210020110202
4
Quaternary
1030212223202
5
Quinary
20120101003
6
Senary
1554225202
8
Octal
114465342
10
Decimal
20081378
12
Duodecimal
6885202
16
Hexadecimal
1326ae2
20
Vigesimal
65a38i
36
Base36
byew2
md5
1c804d9751fe89680519b78197d88bff
sha1
7a6a2035e9f640b836b5a877c7331e2b6a23cfdb
sha256
debfa8cda9663ce8a90e2b2d1452ba5015bcc7c711a849c359cbb4bbdd4bcd86
sha512
150e49b0c10511e71edc572e10451d3475b336a7112e983c89a3354cf34991fbee6e96bc532be4d872b3b0054661c0f2446a8c53cbaa3fffae8535612685de9d
ripemd-160
3b3a9f39cef90395f65626aa37f6077976b7f5ce
Diameter
40162756
Circumference
126175019.19752
Area
1.2668841273313E+15
Volume
3.3921038724187E+22
Surface area
5.0675365093253E+15
Circumference
126175019.19752
Perimeter
80325512
Area
403261742378884
Diagonal
28399357.118741
Surface area
2419570454273304
Volume
8.098051481649E+21
Space diagonal
34781966.981996
Perimeter
60244134
Area
1.7461745663724E+14
Altitude
17390983.490998
Surface area
1.7461745663724E+14
Volume
9.5436451951196E+20
Height
9466452.3729136