20218969 is an odd 8-digits prime number following 20218968
and preceding 20218970 . In scientific notation, it is written as 2.0218969 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20218968 positive integers (up to 20218969) that are relatively prime to 20218969.
20218969 has 2 divisors, whose sum is 20218970
The reverse of 20218969 is 96981202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million two hundred eighteen thousand nine hundred sixty-nine
Scientific notation
2.0218969 × 10^7
Engineering notation
2.0218969 × 10^6
Prime Factorization
20218969
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20218969
Product of the distinct prime numbers
The prime factorization of 20218969 is 20218969.
Since it has a total of 1 prime factors.
4 , 10 , 34 , 21 , 956 , 724 , 2339 , 6915 , 63514 , 79913 , 370369 , 417085 , 2918226 , 5725039 , 686217 , 3250303 , 852516075 , 373609949 , 2151891140 , 7347989790
n×2
40437938
n×3
60656907
n×4
80875876
n×5
101094845
n÷2
10109484.5
n÷3
6739656.3333333
n÷3
5054742.25
n÷5
4043793.8
n2
408806707422961
n3
8.2656501443769E+21
n4
1.67122924034E+29
n5
3.3790532202329E+36
2 √n
4496.5507892161
3 √n
272.42879041597
4 √n
67.056325497421
5 √n
28.916904538127
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20218970
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10109485
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4496.5509004124
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999901083
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218969 can be divided by 2 positive divisors.
The sum of these divisors (counting 20218969) is 20218970, the average is 10109485.
Base
System
Value
2
Binary
1001101001000010001011001
3
Ternary
1102001020012201
4
Quaternary
1031020101121
5
Quinary
20134001334
6
Senary
2001210201
8
Octal
115102131
10
Decimal
20218969
12
Duodecimal
6930961
16
Hexadecimal
1348459
20
Vigesimal
667789
36
Base36
c1d21
md5
eb28f52e3ccf8bba454c194603377a4b
sha1
455f3a76b9255a4673ef86a2d01a73bd958a6fd1
sha256
700ba16a904068281284031c7b642ba42811508dec576491911588028700a0d8
sha512
65abf1d5a7b647a3750fd9913a7dc9dd734d4792ebc1ba27b343cf904cde3c2fa1de5ca17d470cdad430989061a9fa7f29412e06d714d3241f3c3081cf93762f
ripemd-160
b770551b1d18933d554d986012dc379cf7b35229
Diameter
40437938
Circumference
127039528.94712
Area
1.2843041487782E+15
Volume
3.4623074360957E+22
Surface area
5.1372165951128E+15
Circumference
127039528.94712
Perimeter
80875876
Area
408806707422961
Diagonal
28593940.177001
Surface area
2452840244537766
Volume
8.2656501443769E+21
Space diagonal
35020281.58466
Perimeter
60656907
Area
1.7701849693288E+14
Altitude
17510140.79233
Surface area
1.7701849693288E+14
Volume
9.7411621133408E+20
Height
9531313.3923337