20402831 is an odd 8-digits prime number following 20402830
and preceding 20402832 . In scientific notation, it is written as 2.0402831 × 10^7.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 20402830 positive integers (up to 20402831) that are relatively prime to 20402831.
20402831 has 2 divisors, whose sum is 20402832
The reverse of 20402831 is 13820402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million four hundred two thousand eight hundred thirty-one
Scientific notation
2.0402831 × 10^7
Engineering notation
2.0402831 × 10^6
Prime Factorization
20402831
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20402831
Product of the distinct prime numbers
The prime factorization of 20402831 is 20402831.
Since it has a total of 1 prime factors.
5 , 7 , 18 , 30 , 534 , 920 , 6883 , 2501 , 37934 , 96604 , 815923 , 581280 , 2449036 , 4519542 , 83242486 , 92778991 , 877509405 , 240317774 , 5370368815 , 6223140111
n×2
40805662
n×3
61208493
n×4
81611324
n×5
102014155
n÷2
10201415.5
n÷3
6800943.6666667
n÷3
5100707.75
n÷5
4080566.2
n2
416275512814561
n3
8.4931989373938E+21
n4
1.7328530256903E+29
n5
3.5355107430997E+36
2 √n
4516.94930235
3 √n
273.25208058133
4 √n
67.208253230909
5 √n
28.969305683112
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20402832
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10201416
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.9494130442
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019744
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402831 can be divided by 2 positive divisors.
The sum of these divisors (counting 20402831) is 20402832, the average is 10201416.
Base
System
Value
2
Binary
1001101110101001010001111
3
Ternary
1102101120102102
4
Quaternary
1031311022033
5
Quinary
20210342311
6
Senary
2005145315
8
Octal
115651217
10
Decimal
20402831
12
Duodecimal
69bb23b
16
Hexadecimal
137528f
20
Vigesimal
67a71b
36
Base36
c5axb
md5
b1df5a3b041f83ca233f7ad52d9f975c
sha1
dbec6db2ccbbab2c8a90d99e5022c9cb3422c6e1
sha256
0244ed185d03f1370bc52e8ec6fbf1a7581269a932e3a5a87ceb1b55d1344277
sha512
7a7f72dd9bac23a39b673c321fc961451469779c841c07c473846096a28302201ae1398a14b1bd12851d5b5f14dd8aaae534d8fdf5711fe9b2b9b5cef9e1eeb2
ripemd-160
5eab46083846ecacb4fade8a1416da82d0835c6b
Diameter
40805662
Circumference
128194767.96407
Area
1.3077680929275E+15
Volume
3.5576228516257E+22
Surface area
5.2310723717102E+15
Circumference
128194767.96407
Perimeter
81611324
Area
416275512814561
Diagonal
28853960.311006
Surface area
2497653076887366
Volume
8.4931989373938E+21
Space diagonal
35338739.910241
Perimeter
61208493
Area
1.802525845354E+14
Altitude
17669369.955121
Surface area
1.802525845354E+14
Volume
1.0009330937663E+21
Height
9617986.7703354