20407820 is an even 8-digits composite number following 20407819
and preceding 20407821 . In scientific notation, it is written as 2.0407820 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 7618560 positive integers (up to 20407820) that are relatively prime to 20407820.
20407820 has 24 divisors, whose sum is 36437856
The reverse of 20407820 is 02870402
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred seven thousand eight hundred twenty
Scientific notation
2.0407820 × 10^7
Engineering notation
2.0407820 × 10^6
Prime Factorization
2 × 2 × 85 × 311 × 193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10203910
Product of the distinct prime numbers
The prime factorization of 20407820 is 2 × 2 × 85 × 311 × 193.
Since it has a total of 5 prime factors.
2 , 8 , 68 , 86 , 231 , 466 , 6207 , 152 , 12147 , 71126 , 19058 , 866322 , 7371420 , 2348686 , 34511763 , 86815655 , 148691033 , 300186463 , 4136793470 , 1455199324
n×2
40815640
n×3
61223460
n×4
81631280
n×5
102039100
n÷2
10203910
n÷3
6802606.6666667
n÷3
5101955
n÷5
4081564
n2
416479117152400
n3
8.4994308566051E+21
n4
1.7345485502404E+29
n5
3.5398354594568E+36
2 √n
4517.5015218592
3 √n
273.27435107782
4 √n
67.212361376901
5 √n
28.970722287816
1 , 2 , 4 , 85 , 170 , 193 , 311 , 340 , 386 , 622 , 772 , 1244 , 16405 , 26435 , 32810 , 52870 , 60023 , 65620 , 105740 , 120046 , 240092 , 5101955 , 10203910 , 20407820
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
-20407819
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 20407820 can be divided by 24 positive divisors.
The sum of these divisors (counting 20407820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110110011000001100
3
Ternary
1102101211021012
4
Quaternary
1031312120030
5
Quinary
20211022240
6
Senary
2005224352
8
Octal
115663014
10
Decimal
20407820
12
Duodecimal
6a020b8
16
Hexadecimal
137660c
20
Vigesimal
67ajb0
36
Base36
c5erw
md5
cb2bbf7bc15a78fabc184ba1df2c97df
sha1
9903cba7c373ad3d3a6bb509b67734514a0560e0
sha256
086bd3bc492f5a1a417cbefaf8e3fe7afb76f1559c41567cf3d5a96aa64d0b48
sha512
69521b62a34bd17f8ad2d2898b7478a5fb607bb22f751a4976fa2bd625dfc4339b5c89202a17b21bb16ce22abdfca83ba8720618440829eabcb73193c908c3db
ripemd-160
ad01794ff5d12a38c51dc805cdb2dbe854040bc1
Diameter
40815640
Circumference
128226114.77557
Area
1.3084077348195E+15
Volume
3.5602332718407E+22
Surface area
5.2336309392782E+15
Circumference
128226114.77557
Perimeter
81631280
Area
416479117152400
Diagonal
28861015.822469
Surface area
2498874702914400
Volume
8.4994308566051E+21
Space diagonal
35347381.11172
Perimeter
61223460
Area
1.8034074779985E+14
Altitude
17673690.55586
Surface area
1.8034074779985E+14
Volume
1.0016675324886E+21
Height
9620338.6074896