20406918 is an even 8-digits composite number following 20406917
and preceding 20406919 . In scientific notation, it is written as 2.0406918 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5784480 positive integers (up to 20406918) that are relatively prime to 20406918.
20406918 has 32 divisors, whose sum is 47013120
The reverse of 20406918 is 81960402
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred six thousand nine hundred eighteen
Scientific notation
2.0406918 × 10^7
Engineering notation
2.0406918 × 10^6
Prime Factorization
2 × 3 × 7 × 131 × 3709
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20406918
Product of the distinct prime numbers
The prime factorization of 20406918 is 2 × 3 × 7 × 131 × 3709.
Since it has a total of 5 prime factors.
3 , 6 , 90 , 25 , 458 , 752 , 6115 , 4616 , 25957 , 95650 , 943895 , 266746 , 2397068 , 8850208 , 72157771 , 9372240 , 72106323 , 100859808 , 1814141779 , 7570223894
n×2
40813836
n×3
61220754
n×4
81627672
n×5
102034590
n÷2
10203459
n÷3
6802306
n÷3
5101729.5
n÷5
4081383.6
n2
416442302258724
n3
8.498303913925E+21
n4
1.7342419111055E+29
n5
3.5390532472093E+36
2 √n
4517.4016868107
3 √n
273.27032489086
4 √n
67.211618689113
5 √n
28.970466189384
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 131 , 262 , 393 , 786 , 917 , 1834 , 2751 , 3709 , 5502 , 7418 , 11127 , 22254 , 25963 , 51926 , 77889 , 155778 , 485879 , 971758 , 1457637 , 2915274 , 3401153 , 6802306 , 10203459 , 20406918
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20406917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20406918 can be divided by 32 positive divisors.
The sum of these divisors (counting 20406918) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101110110001010000110
3
Ternary
1102101210000210
4
Quaternary
1031312022012
5
Quinary
20211010133
6
Senary
2005220250
8
Octal
115661206
10
Decimal
20406918
12
Duodecimal
6a01686
16
Hexadecimal
1376286
20
Vigesimal
67ah5i
36
Base36
c5e2u
md5
ec43b6aa95c77289836dbe05501fd795
sha1
df6709b7430fb6ef3f4de78fce157d5e7834dbc4
sha256
48dcde53d4848064e34528d8eac5f3abd85d9fef5cc6449f1ce3668757af678b
sha512
e4f92ca4aa5a99aa93c316b50c653967ca647d13ae3cffae1df9744d81f269d4dea71b1652b4cb2701e76422634471ca8e3696de7cd35c82be1c73ddd241e6ce
ripemd-160
82881b40a6ffef3af4c9ae53a784cdf1ebd487aa
Diameter
40813836
Circumference
128220447.34242
Area
1.30829207742E+15
Volume
3.5597612191947E+22
Surface area
5.2331683096801E+15
Circumference
128220447.34242
Perimeter
81627672
Area
416442302258724
Diagonal
28859740.201836
Surface area
2498653813552344
Volume
8.498303913925E+21
Space diagonal
35345818.801892
Perimeter
61220754
Area
1.8032480648327E+14
Altitude
17672909.400946
Surface area
1.8032480648327E+14
Volume
1.0015347210201E+21
Height
9619913.4006119