20402918 is an even 8-digits composite number following 20402917
and preceding 20402919 . In scientific notation, it is written as 2.0402918 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 10201458 positive integers (up to 20402918) that are relatively prime to 20402918.
20402918 has 4 divisors, whose sum is 30604380
The reverse of 20402918 is 81920402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million four hundred two thousand nine hundred eighteen
Scientific notation
2.0402918 × 10^7
Engineering notation
2.0402918 × 10^6
Prime Factorization
2 × 10201459
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20402918
Product of the distinct prime numbers
The prime factorization of 20402918 is 2 × 10201459.
Since it has a total of 2 prime factors.
2 , 8 , 39 , 58 , 501 , 997 , 2116 , 5394 , 50003 , 45055 , 210748 , 133050 , 3000919 , 8602806 , 79875213 , 81985325 , 551882402 , 376249289 , 7561506086 , 5714061699
n×2
40805836
n×3
61208754
n×4
81611672
n×5
102014590
n÷2
10201459
n÷3
6800972.6666667
n÷3
5100729.5
n÷5
4080583.6
n2
416279062914724
n3
8.493307585766E+21
n4
1.7328825822116E+29
n5
3.5355861228492E+36
2 √n
4516.9589327334
3 √n
273.25246897347
4 √n
67.20832487671
5 √n
28.969330388755
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
-20402917
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 20402918 can be divided by 4 positive divisors.
The sum of these divisors (counting 20402918) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101001011100110
3
Ternary
1102101120112122
4
Quaternary
1031311023212
5
Quinary
20210343133
6
Senary
2005145542
8
Octal
115651346
10
Decimal
20402918
12
Duodecimal
69bb2b2
16
Hexadecimal
13752e6
20
Vigesimal
67a75i
36
Base36
c5azq
md5
57c7f7e3d5660535f687e80107adbaac
sha1
c7d612976ebab96ab0cefc204fb8b00c7ae0fe60
sha256
4fdaf4a5f91e765ede8be572eb4e4079b21d8f35319296fb3cb396f8830d9741
sha512
2e47ed019c32f08a9d6ddb9f46b62dea8ee02a8c9849cf05430bcd4dfab54d5365c4e8bd19cfe03c55a83ebb94355746c2047c100cf078221b4817921397fcc9
ripemd-160
8092b5f9755e4550129c855e805fd6b8d1330dde
Diameter
40805836
Circumference
128195314.60119
Area
1.3077792458961E+15
Volume
3.5576683621494E+22
Surface area
5.2311169835846E+15
Circumference
128195314.60119
Perimeter
81611672
Area
416279062914724
Diagonal
28854083.347586
Surface area
2497674377488344
Volume
8.493307585766E+21
Space diagonal
35338890.598662
Perimeter
61208754
Area
1.8025412177387E+14
Altitude
17669445.299331
Surface area
1.8025412177387E+14
Volume
1.0009458980997E+21
Height
9618027.7825287