20402868 is an even 8-digits composite number following 20402867
and preceding 20402869 . In scientific notation, it is written as 2.0402868 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6754720 positive integers (up to 20402868) that are relatively prime to 20402868.
20402868 has 24 divisors, whose sum is 47930400
The reverse of 20402868 is 86820402
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred two thousand eight hundred sixty-eight
Scientific notation
2.0402868 × 10^7
Engineering notation
2.0402868 × 10^6
Prime Factorization
2 × 2 × 3 × 149 × 11411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10201434
Product of the distinct prime numbers
The prime factorization of 20402868 is 2 × 2 × 3 × 149 × 11411.
Since it has a total of 5 prime factors.
1 , 5 , 70 , 74 , 407 , 384 , 8684 , 167 , 27186 , 90116 , 338147 , 406976 , 920461 , 178891 , 95867732 , 91792940 , 786637708 , 514689862 , 3679094994 , 3091155011
n×2
40805736
n×3
61208604
n×4
81611472
n×5
102014340
n÷2
10201434
n÷3
6800956
n÷3
5100717
n÷5
4080573.6
n2
416277022625424
n3
8.4932451440595E+21
n4
1.7328655956589E+29
n5
3.5355428009969E+36
2 √n
4516.9533980328
3 √n
273.25224575973
4 √n
67.20828370099
5 √n
28.96931619012
1 , 2 , 3 , 4 , 6 , 12 , 149 , 298 , 447 , 596 , 894 , 1788 , 11411 , 22822 , 34233 , 45644 , 68466 , 136932 , 1700239 , 3400478 , 5100717 , 6800956 , 10201434 , 20402868
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
-20402867
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 20402868 can be divided by 24 positive divisors.
The sum of these divisors (counting 20402868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101001010110100
3
Ternary
1102101120110210
4
Quaternary
1031311022310
5
Quinary
20210342433
6
Senary
2005145420
8
Octal
115651264
10
Decimal
20402868
12
Duodecimal
69bb270
16
Hexadecimal
13752b4
20
Vigesimal
67a738
36
Base36
c5ayc
md5
4e9ecbf59f0f6b9efc0fdb7fb9ebdb58
sha1
d25e543953c6ad68697cc69ff9fbd72eb28d32d2
sha256
550159b569734077cff05faf7098901a659dabd0befba7abea0191bd175dc149
sha512
40aba8c63f024fe1ac4b457aa65b02dc148dcaa5371bb1b5007af072ad4c478124c62f81a0c975541cbadca58cc1b1377934597f058fb3705a019044fa3e5a8c
ripemd-160
5a048dd0b2946b395d88ae4c83487d9b3ae7e494
Diameter
40805736
Circumference
128195000.44192
Area
1.3077728361383E+15
Volume
3.5576422066286E+22
Surface area
5.2310913445531E+15
Circumference
128195000.44192
Perimeter
81611472
Area
416277022625424
Diagonal
28854012.636908
Surface area
2497662135752544
Volume
8.4932451440595E+21
Space diagonal
35338803.996121
Perimeter
61208604
Area
1.8025323830268E+14
Altitude
17669401.998061
Surface area
1.8025323830268E+14
Volume
1.000938539274E+21
Height
9618004.2123027