20402445 is an odd 8-digits composite number following 20402444
and preceding 20402446 . In scientific notation, it is written as 2.0402445 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 9326784 positive integers (up to 20402445) that are relatively prime to 20402445.
20402445 has 8 divisors, whose sum is 25648920
The reverse of 20402445 is 54420402
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred two thousand four hundred forty-five
Scientific notation
2.0402445 × 10^7
Engineering notation
2.0402445 × 10^6
Prime Factorization
21 × 5 × 194309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402445
Product of the distinct prime numbers
The prime factorization of 20402445 is 21 × 5 × 194309.
Since it has a total of 3 prime factors.
7 , 9 , 23 , 80 , 124 , 864 , 6239 , 3696 , 92196 , 40187 , 361599 , 342487 , 1397687 , 6111337 , 44280790 , 87603511 , 53372802 , 534485001 , 8486739228 , 8457342183
n×2
40804890
n×3
61207335
n×4
81609780
n×5
102012225
n÷2
10201222.5
n÷3
6800815
n÷3
5100611.25
n÷5
4080489
n2
416259761978025
n3
8.4927168994697E+21
n4
1.73272189442E+29
n5
3.53517631512E+36
2 √n
4516.9065741943
3 √n
273.25035735694
4 √n
67.207935351373
5 √n
28.969196068553
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
-20402444
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 20402445 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000100001101
3
Ternary
1102101112220010
4
Quaternary
1031311010031
5
Quinary
20210334240
6
Senary
2005143433
8
Octal
115650415
10
Decimal
20402445
12
Duodecimal
69bab79
16
Hexadecimal
137510d
20
Vigesimal
67a625
36
Base36
c5aml
md5
a77d0e047154e9468fc1d869ae72004c
sha1
69b2b71c38d00cf34352b7556732f18b1b8ef058
sha256
ce23abb7d343c353da915a3016a34d4f7f2df696f0e0bf4585a85c71fbceaa39
sha512
d3144e51bfc9ad8e8f70a8b50c07e6c065909993c5c5a50e5f03fc8311ae9d92f8361992129c8b1ccae05b4b470b58891b245cab1e1608b6d222c778b66024f7
ripemd-160
eb8d2cb00800fb1b6471b7cabf0866d20680e032
Diameter
40804890
Circumference
128192342.65454
Area
1.3077186102152E+15
Volume
3.5574209360523E+22
Surface area
5.2308744408608E+15
Circumference
128192342.65454
Perimeter
81609780
Area
416259761978025
Diagonal
28853414.424571
Surface area
2497558571868150
Volume
8.4927168994697E+21
Space diagonal
35338071.33863
Perimeter
61207335
Area
1.8024576422312E+14
Altitude
17669035.669315
Surface area
1.8024576422312E+14
Volume
1.0008762850521E+21
Height
9617804.8081904