20402494 is an even 8-digits composite number following 20402493
and preceding 20402495 . In scientific notation, it is written as 2.0402494 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 8743920 positive integers (up to 20402494) that are relatively prime to 20402494.
20402494 has 8 divisors, whose sum is 34975728
The reverse of 20402494 is 49420402
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million four hundred two thousand four hundred ninety-four
Scientific notation
2.0402494 × 10^7
Engineering notation
2.0402494 × 10^6
Prime Factorization
2 × 7 × 1457321
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402494
Product of the distinct prime numbers
The prime factorization of 20402494 is 2 × 7 × 1457321.
Since it has a total of 3 prime factors.
3 , 10 , 34 , 67 , 106 , 236 , 6759 , 4372 , 93184 , 70164 , 615598 , 708514 , 4510225 , 4389693 , 62059305 , 40497162 , 878412805 , 940890839 , 8996791753 , 816787249
n×2
40804988
n×3
61207482
n×4
81609976
n×5
102012470
n÷2
10201247
n÷3
6800831.3333333
n÷3
5100623.5
n÷5
4080498.8
n2
416261761420036
n3
8.4927780898017E+21
n4
1.7327385402051E+29
n5
3.5352187670104E+36
2 √n
4516.9119982572
3 √n
273.25057610943
4 √n
67.207975704207
5 √n
28.969209983446
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402493
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402494 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402494) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000100111110
3
Ternary
1102101112221221
4
Quaternary
1031311010332
5
Quinary
20210334434
6
Senary
2005143554
8
Octal
115650476
10
Decimal
20402494
12
Duodecimal
69babba
16
Hexadecimal
137513e
20
Vigesimal
67a64e
36
Base36
c5any
md5
c95509c90b1e0e8733a6d9f014cf4166
sha1
ea2c502d8daa7e707cf329628aa0ca9cbcf39949
sha256
dfab33f74fa60a78bc255a580a24c723ddac2dfdbec9dbc4cd0b0d5c2ecf644c
sha512
881a23639544622d6cbf7ad0048966982628c0d9fd677dd0eb93be35626370561d34884f975ce1a4749fc1b6ee1c23eeffa35b884dfa59e9ee0fbc2c953d31fa
ripemd-160
8db63286960ca3a21cc6a2bb8fba510e5ce96f34
Diameter
40804988
Circumference
128192650.53062
Area
1.3077248916475E+15
Volume
3.5574465673986E+22
Surface area
5.2308995665901E+15
Circumference
128192650.53062
Perimeter
81609976
Area
416261761420036
Diagonal
28853483.721036
Surface area
2497570568520216
Volume
8.4927780898017E+21
Space diagonal
35338156.209119
Perimeter
61207482
Area
1.802466300069E+14
Altitude
17669078.10456
Surface area
1.802466300069E+14
Volume
1.0008834964019E+21
Height
9617827.9070119