20101431 is an odd 8-digits composite number following 20101430
and preceding 20101432 . In scientific notation, it is written as 2.0101431 × 10^7.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 11486520 positive integers (up to 20101431) that are relatively prime to 20101431.
20101431 has 4 divisors, whose sum is 21058664
The reverse of 20101431 is 13410102
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty million one hundred one thousand four hundred thirty-one
Scientific notation
2.0101431 × 10^7
Engineering notation
2.0101431 × 10^6
Prime Factorization
21 × 957211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20101431
Product of the distinct prime numbers
The prime factorization of 20101431 is 21 × 957211.
Since it has a total of 2 prime factors.
7 , 5 , 74 , 93 , 642 , 322 , 5418 , 64 , 69801 , 37703 , 728717 , 312521 , 8504551 , 1780297 , 71421504 , 24062937 , 923847243 , 677855638 , 2452388356 , 9815599760
n×2
40202862
n×3
60304293
n×4
80405724
n×5
100507155
n÷2
10050715.5
n÷3
6700477
n÷3
5025357.75
n÷5
4020286.2
n2
404067528247761
n3
8.1223355384129E+21
n4
1.6327056738426E+29
n5
3.2819720446055E+36
2 √n
4483.4619436324
3 √n
271.89986492099
4 √n
66.958658466493
5 √n
28.883205825583
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
-20101430
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 20101431 can be divided by 4 positive divisors.
The sum of these divisors (counting 20101431) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011100100110111
3
Ternary
1101211020222110
4
Quaternary
1030223210313
5
Quinary
20121221211
6
Senary
1554502103
8
Octal
114534467
10
Decimal
20101431
12
Duodecimal
6894933
16
Hexadecimal
132b937
20
Vigesimal
65cdbb
36
Base36
byud3
md5
68a12751952925d051951cccf31e7ffe
sha1
f6f1872dcdc2f8f138e1e7f0db6790e57334d75a
sha256
d2317e7c18de35a846818f74a7ac1ed41a0cbe5899745fb8821859c0902d1f89
sha512
0745f7d7e34063b106ad865a0d6eae6bafcbc364163d9e4d6f6f8c7f8be2b75106acfef2f7c2d5d03116cea34aeb2df0a72a097362bbca898a9ad7a17321517e
ripemd-160
2918f7d2ae011c92e490a0bd499396596001b016
Diameter
40202862
Circumference
126301015.91248
Area
1.2694155782974E+15
Volume
3.4022759543292E+22
Surface area
5.0776623131894E+15
Circumference
126301015.91248
Perimeter
80405724
Area
404067528247761
Diagonal
28427716.343307
Surface area
2424405169486566
Volume
8.1223355384129E+21
Space diagonal
34816699.79684
Perimeter
60304293
Area
1.7496637215347E+14
Altitude
17408349.89842
Surface area
1.7496637215347E+14
Volume
9.5722642304738E+20
Height
9475905.447769