21802813 is an odd 8-digits prime number following 21802812
and preceding 21802814 . In scientific notation, it is written as 2.1802813 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21802812 positive integers (up to 21802813) that are relatively prime to 21802813.
21802813 has 2 divisors, whose sum is 21802814
The reverse of 21802813 is 31820812
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eight hundred two thousand eight hundred thirteen
Scientific notation
2.1802813 × 10^7
Engineering notation
2.1802813 × 10^6
Prime Factorization
21802813
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21802813
Product of the distinct prime numbers
The prime factorization of 21802813 is 21802813.
Since it has a total of 1 prime factors.
10 , 2 , 100 , 39 , 979 , 484 , 4322 , 2695 , 7798 , 10637 , 938479 , 141400 , 4658018 , 7647570 , 67447755 , 75510983 , 989071276 , 251925810 , 2691022278 , 7426166040
n×2
43605626
n×3
65408439
n×4
87211252
n×5
109014065
n÷2
10901406.5
n÷3
7267604.3333333
n÷3
5450703.25
n÷5
4360562.6
n2
475362654712969
n3
1.036424306789E+22
n4
2.2596965349576E+29
n5
4.9267740988429E+36
2 √n
4669.3482414573
3 √n
279.36425917163
4 √n
68.332629405411
5 √n
29.356380354758
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21802814
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10901407
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4669.3483485386
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999082687
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21802813 can be divided by 2 positive divisors.
The sum of these divisors (counting 21802813) is 21802814, the average is 10901407.
Base
System
Value
2
Binary
1010011001010111100111101
3
Ternary
1112000200211121
4
Quaternary
1103022330331
5
Quinary
21040142223
6
Senary
2055150541
8
Octal
123127475
10
Decimal
21802813
12
Duodecimal
7375451
16
Hexadecimal
14caf3d
20
Vigesimal
6g570d
36
Base36
czb5p
md5
3f520dfd301c6b377c72c2366ea1daa8
sha1
df3844ca680f831afb965f139cd3d8046e8d3850
sha256
16ae7ff2a62807c5d66e28e362577bfedc4279d38fea218040aa3a9076caaaba
sha512
62eff5e578ecb1a50f4d7c30e205739b58b6dbb15fef1bfb624cde05919b9d9f8c61694add173cff51cb6d442528a14659e26374ee64945888cffc11fc666e86
ripemd-160
d93bc804a44a05353e26cd1b6acd4a1a5450bdf3
Diameter
43605626
Circumference
136991114.29678
Area
1.4933958238372E+15
Volume
4.3413639842805E+22
Surface area
5.9735832953488E+15
Circumference
136991114.29678
Perimeter
87211252
Area
475362654712969
Diagonal
30833833.842484
Surface area
2852175928277814
Volume
1.036424306789E+22
Space diagonal
37763579.863923
Perimeter
65408439
Area
2.0583806749592E+14
Altitude
18881789.931962
Surface area
2.0583806749592E+14
Volume
1.2214377591952E+21
Height
10277944.614161