20105431 is an odd 8-digits composite number following 20105430
and preceding 20105432 . In scientific notation, it is written as 2.0105431 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 20074264 positive integers (up to 20105431) that are relatively prime to 20105431.
20105431 has 4 divisors, whose sum is 20136600
The reverse of 20105431 is 13450102
Previous prime number is 659
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred five thousand four hundred thirty-one
Scientific notation
2.0105431 × 10^7
Engineering notation
2.0105431 × 10^6
Prime Factorization
659 × 30509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20105431
Product of the distinct prime numbers
The prime factorization of 20105431 is 659 × 30509.
Since it has a total of 2 prime factors.
3 , 9 , 28 , 14 , 299 , 1 , 410 , 7012 , 41307 , 23264 , 984938 , 751454 , 1059092 , 3262797 , 97124351 , 86288757 , 553196569 , 805729527 , 4912760220 , 7041049302
n×2
40210862
n×3
60316293
n×4
80421724
n×5
100527155
n÷2
10052715.5
n÷3
6701810.3333333
n÷3
5026357.75
n÷5
4021086.2
n2
404228355695761
n3
8.1271853136846E+21
n4
1.634005635485E+29
n5
3.2852387557855E+36
2 √n
4483.9080053007
3 √n
271.91789891613
4 √n
66.961989257345
5 √n
28.884355232592
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
-20105430
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 20105431 can be divided by 4 positive divisors.
The sum of these divisors (counting 20105431) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100100011010111
3
Ternary
1101211110110121
4
Quaternary
1030230203113
5
Quinary
20121333211
6
Senary
1554532411
8
Octal
114544327
10
Decimal
20105431
12
Duodecimal
6897107
16
Hexadecimal
132c8d7
20
Vigesimal
65d3bb
36
Base36
byxg7
md5
91efce775ec1b849204407036d476353
sha1
409d4288598366755cfb40100a9523ef677868c5
sha256
464d0cf732d87c7e2e2762b7775fa242a75a57c19054a29642a7bcfb15b44a38
sha512
591d6dfe4daebe11afc0e83c55dd8c2458e69af278957ab29e23dc3949c668f0a2e50a47a042bc061f659b36e2a242e44498ce9c0875d375c32b2f30d18dc3a3
ripemd-160
375fbb43ab6e5cce65d05d3e71f2b68fe134dfa1
Diameter
40210862
Circumference
126326148.65371
Area
1.2699208326265E+15
Volume
3.4043074234446E+22
Surface area
5.0796833305059E+15
Circumference
126326148.65371
Perimeter
80421724
Area
404228355695761
Diagonal
28433373.197556
Surface area
2425370134174566
Volume
8.1271853136846E+21
Space diagonal
34823628.00007
Perimeter
60316293
Area
1.7503601248127E+14
Altitude
17411814.000035
Surface area
1.7503601248127E+14
Volume
9.5779797454435E+20
Height
9477791.0658522