20398431 is an odd 8-digits composite number following 20398430
and preceding 20398432 . In scientific notation, it is written as 2.0398431 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13598952 positive integers (up to 20398431) that are relatively prime to 20398431.
20398431 has 4 divisors, whose sum is 27197912
The reverse of 20398431 is 13489302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred ninety-eight thousand four hundred thirty-one
Scientific notation
2.0398431 × 10^7
Engineering notation
2.0398431 × 10^6
Prime Factorization
3 × 6799477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20398431
Product of the distinct prime numbers
The prime factorization of 20398431 is 3 × 6799477.
Since it has a total of 2 prime factors.
6 , 7 , 45 , 43 , 207 , 226 , 8192 , 3172 , 17662 , 96674 , 687061 , 815487 , 1163486 , 4410873 , 67807322 , 49355180 , 359919785 , 815365528 , 9721319992 , 4614975947
n×2
40796862
n×3
61195293
n×4
81593724
n×5
101992155
n÷2
10199215.5
n÷3
6799477
n÷3
5099607.75
n÷5
4079686.2
n2
416095987261761
n3
8.4877052855359E+21
n4
1.7313587061534E+29
n5
3.5317001103719E+36
2 √n
4516.4622216952
3 √n
273.23243632063
4 √n
67.204629466244
5 √n
28.968056092387
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
-20398430
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 20398431 can be divided by 4 positive divisors.
The sum of these divisors (counting 20398431) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110100000101011111
3
Ternary
1102101100101110
4
Quaternary
1031310011133
5
Quinary
20210222211
6
Senary
2005113103
8
Octal
115640537
10
Decimal
20398431
12
Duodecimal
69b8793
16
Hexadecimal
137415f
20
Vigesimal
679g1b
36
Base36
c57j3
md5
7eb46844bbcee3c7d9c3b9c200c2953c
sha1
2e002ba02707b7b2a4a2299fa246199ec5092cbe
sha256
2a1ae0029a25904e3e0de4a5593d9cf423faa2b7518a9213c6d22724887eb8e5
sha512
6f993374e452455be460bcac70ef6a993ddd560e646ac0388984a522776feacd77de426a5744c530e951a14c4904e2f02a4cbf7d10b3db2e96532494e883ce37
ripemd-160
3470e9f96b8c1a3adc8660093b1d26b4dc2939dd
Diameter
40796862
Circumference
128167121.94872
Area
1.3072040967697E+15
Volume
3.5553216761167E+22
Surface area
5.228816387079E+15
Circumference
128167121.94872
Perimeter
81593724
Area
416095987261761
Diagonal
28847737.771332
Surface area
2496575923570566
Volume
8.4877052855359E+21
Space diagonal
35331118.886688
Perimeter
61195293
Area
1.8017484769073E+14
Altitude
17665559.443344
Surface area
1.8017484769073E+14
Volume
1.0002856606859E+21
Height
9615912.5904439