20402578 is an even 8-digits composite number following 20402577
and preceding 20402579 . In scientific notation, it is written as 2.0402578 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8706240 positive integers (up to 20402578) that are relatively prime to 20402578.
20402578 has 16 divisors, whose sum is 35126784
The reverse of 20402578 is 87520402
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred two thousand five hundred seventy-eight
Scientific notation
2.0402578 × 10^7
Engineering notation
2.0402578 × 10^6
Prime Factorization
2 × 7 × 241 × 6047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402578
Product of the distinct prime numbers
The prime factorization of 20402578 is 2 × 7 × 241 × 6047.
Since it has a total of 4 prime factors.
10 , 4 , 65 , 52 , 524 , 397 , 2163 , 9224 , 87824 , 36671 , 795646 , 575697 , 4653450 , 57964 , 62683852 , 23300116 , 260996149 , 309330852 , 2541063172 , 9772479405
n×2
40805156
n×3
61207734
n×4
81610312
n×5
102012890
n÷2
10201289
n÷3
6800859.3333333
n÷3
5100644.5
n÷5
4080515.6
n2
416265189046084
n3
8.4928829881975E+21
n4
1.7327670761157E+29
n5
3.5352915426283E+36
2 √n
4516.9212966356
3 √n
273.25095111287
4 √n
67.208044880323
5 √n
28.969233837487
1 , 2 , 7 , 14 , 241 , 482 , 1687 , 3374 , 6047 , 12094 , 42329 , 84658 , 1457327 , 2914654 , 10201289 , 20402578
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
-20402577
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 20402578 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402578) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101000110010010
3
Ternary
1102101120002001
4
Quaternary
1031311012102
5
Quinary
20210340303
6
Senary
2005144214
8
Octal
115650622
10
Decimal
20402578
12
Duodecimal
69bb06a
16
Hexadecimal
1375192
20
Vigesimal
67a68i
36
Base36
c5aqa
md5
36001ae6d2b17554ed719dd81f02ce82
sha1
71db2b7df43640395b1fbe353b4b3e5ce7d75385
sha256
2c1152af0735959c5bce2f812a4a111e7e5830615f9a150a81b049d0187aaed8
sha512
4bc58d544ec09914ee062b535bf1e49cccd8c4efba0246b93ea6622749a454edbb45e4c959ac1ffd9794b73ed8cb9fb57db884cf58cee75730b1b29ef32a3d66
ripemd-160
ebf604d555960521dfdd5f2f74b9ccb9fba1402c
Diameter
40805156
Circumference
128193178.31819
Area
1.3077356598523E+15
Volume
3.5574905071359E+22
Surface area
5.2309426394094E+15
Circumference
128193178.31819
Perimeter
81610312
Area
416265189046084
Diagonal
28853602.514975
Surface area
2497591134276504
Volume
8.4928829881975E+21
Space diagonal
35338301.701387
Perimeter
61207734
Area
1.8024811421252E+14
Altitude
17669150.850694
Surface area
1.8024811421252E+14
Volume
1.0008958587964E+21
Height
9617867.5049916