20431381 is an odd 8-digits prime number following 20431380
and preceding 20431382 . In scientific notation, it is written as 2.0431381 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20431380 positive integers (up to 20431381) that are relatively prime to 20431381.
20431381 has 2 divisors, whose sum is 20431382
The reverse of 20431381 is 18313402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million four hundred thirty-one thousand three hundred eighty-one
Scientific notation
2.0431381 × 10^7
Engineering notation
2.0431381 × 10^6
Prime Factorization
20431381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20431381
Product of the distinct prime numbers
The prime factorization of 20431381 is 20431381.
Since it has a total of 1 prime factors.
7 , 4 , 99 , 57 , 136 , 239 , 3192 , 8751 , 6938 , 59259 , 622142 , 185291 , 9168578 , 7140399 , 19946372 , 88109569 , 547369834 , 75911550 , 9298856336 , 2795922059
n×2
40862762
n×3
61294143
n×4
81725524
n×5
102156905
n÷2
10215690.5
n÷3
6810460.3333333
n÷3
5107845.25
n÷5
4086276.2
n2
417441329567161
n3
8.5289028495332E+21
n4
1.742572636308E+29
n5
3.5603165452583E+36
2 √n
4520.1085163965
3 √n
273.37947647847
4 √n
67.231752293068
5 √n
28.977408589328
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20431382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10215691
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4520.1086270133
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999021114
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20431381 can be divided by 2 positive divisors.
The sum of these divisors (counting 20431381) is 20431382, the average is 10215691.
Base
System
Value
2
Binary
1001101111100001000010101
3
Ternary
1102110000120211
4
Quaternary
1031330020111
5
Quinary
20212301011
6
Senary
2005525421
8
Octal
115741025
10
Decimal
20431381
12
Duodecimal
6a13871
16
Hexadecimal
137c215
20
Vigesimal
67di91
36
Base36
c5wyd
md5
8e2561849263f5d91705582611ef3ed5
sha1
1c7d790f0272414557aa14f2d6311635425eb21e
sha256
e434b5d2e334827f928aad42e346e9aae422aeca94ee05be8068b0b4d6d70305
sha512
c84703f5377b604365ce3e3ea6ee691a3f4e22d46233951f5fb81eb3174a027c99ce2aa1a3615550ad4f5b94cf89a1101bb2cee9413221b846946ecccd0d5d8f
ripemd-160
571da84a99e47e85639da60ffcaf15d68b81d6ae
Diameter
40862762
Circumference
128374152.90459
Area
1.3114306142729E+15
Volume
3.57257847137E+22
Surface area
5.2457224570918E+15
Circumference
128374152.90459
Perimeter
81725524
Area
417441329567161
Diagonal
28894336.108212
Surface area
2504647977402966
Volume
8.5289028495332E+21
Space diagonal
35388189.960797
Perimeter
61294143
Area
1.8075739799736E+14
Altitude
17694094.980399
Surface area
1.8075739799736E+14
Volume
1.0051408401644E+21
Height
9631445.369404