20402509 is an odd 8-digits composite number following 20402508
and preceding 20402510 . In scientific notation, it is written as 2.0402509 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 19939920 positive integers (up to 20402509) that are relatively prime to 20402509.
20402509 has 8 divisors, whose sum is 20868192
The reverse of 20402509 is 90520402
Previous prime number is 1163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred two thousand five hundred nine
Scientific notation
2.0402509 × 10^7
Engineering notation
2.0402509 × 10^6
Prime Factorization
53 × 1163 × 331
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402509
Product of the distinct prime numbers
The prime factorization of 20402509 is 53 × 1163 × 331.
Since it has a total of 3 prime factors.
4 , 7 , 68 , 88 , 241 , 766 , 3573 , 6200 , 76759 , 73678 , 976059 , 723650 , 8542037 , 9884418 , 46929013 , 97040765 , 209226796 , 235924827 , 5060376440 , 5403340070
n×2
40805018
n×3
61207527
n×4
81610036
n×5
102012545
n÷2
10201254.5
n÷3
6800836.3333333
n÷3
5100627.25
n÷5
4080501.8
n2
416262373495081
n3
8.4927968215948E+21
n4
1.7327436358776E+29
n5
3.5352317625685E+36
2 √n
4516.9136586833
3 √n
273.2506430744
4 √n
67.2079880571
5 √n
28.969214243102
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
-20402508
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 20402509 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402509) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000101001101
3
Ternary
1102101112222111
4
Quaternary
1031311011031
5
Quinary
20210340014
6
Senary
2005144021
8
Octal
115650515
10
Decimal
20402509
12
Duodecimal
69bb011
16
Hexadecimal
137514d
20
Vigesimal
67a659
36
Base36
c5aod
md5
54139e5be5eabc6a1723282b2dd2ec8a
sha1
f92d8ea7c2206831392f6789cbde532561aaf14c
sha256
70bd3653cd2ff8ad21e7d24eb9392833d3c62ba44bbd38a1b39a728d9ce2d780
sha512
4674782e2bb4c0391623a13f2c64324b1db0bd3e1a932e821319780ecf2723b1ca21ad5e18c32cc3facdcf949319013f188ea0b0e7bcccec5988d573f30b9c15
ripemd-160
dc360554230c17285c1cfb787ebb62e6ca34c77f
Diameter
40805018
Circumference
128192744.7784
Area
1.307726814538E+15
Volume
3.5574544137537E+22
Surface area
5.230907258152E+15
Circumference
128192744.7784
Perimeter
81610036
Area
416262373495081
Diagonal
28853504.934239
Surface area
2497574240970486
Volume
8.4927968215948E+21
Space diagonal
35338182.189881
Perimeter
61207527
Area
1.8024689504317E+14
Altitude
17669091.094941
Surface area
1.8024689504317E+14
Volume
1.0008857039649E+21
Height
9617834.9780797