21131269 is an odd 8-digits prime number following 21131268
and preceding 21131270 . In scientific notation, it is written as 2.1131269 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 21131268 positive integers (up to 21131269) that are relatively prime to 21131269.
21131269 has 2 divisors, whose sum is 21131270
The reverse of 21131269 is 96213112
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 one hundred thirty-one thousand two hundred sixty-nine
Scientific notation
2.1131269 × 10^7
Engineering notation
2.1131269 × 10^6
Prime Factorization
21131269
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21131269
Product of the distinct prime numbers
The prime factorization of 21131269 is 21131269.
Since it has a total of 1 prime factors.
1 , 4 , 38 , 84 , 695 , 888 , 9405 , 2797 , 27230 , 70366 , 161772 , 995058 , 344403 , 7545671 , 23569858 , 25192134 , 58748156 , 328019224 , 8028344251 , 1515299589
n×2
42262538
n×3
63393807
n×4
84525076
n×5
105656345
n÷2
10565634.5
n÷3
7043756.3333333
n÷3
5282817.25
n÷5
4226253.8
n2
446530529550361
n3
9.4357567366411E+21
n4
1.9938951382053E+29
n5
4.2133534523207E+36
2 √n
4596.8760044187
3 √n
276.46608305976
4 √n
67.800265518792
5 √n
29.173270287216
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21131270
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10565635
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4596.8761131882
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999053535
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131269 can be divided by 2 positive divisors.
The sum of these divisors (counting 21131269) is 21131270, the average is 10565635.
Base
System
Value
2
Binary
1010000100111000000000101
3
Ternary
1110202120122121
4
Quaternary
1100213000011
5
Quinary
20402200034
6
Senary
2032525541
8
Octal
120470005
10
Decimal
21131269
12
Duodecimal
70b08b1
16
Hexadecimal
1427005
20
Vigesimal
6c1839
36
Base36
ckwzp
md5
dde97f573795da6afbe04c582546102e
sha1
eca89ffb666511b94ffd6b5b65dc7e36731e64aa
sha256
d03a85e7bd48b2e3b24621dc8db0e8cd8b694dabc548b66c5721758d18a25b33
sha512
ff9e2720bf9b5ee4b2b69d3bdf35206f9b730a45fe4cc6ba1e476b5abc907d974fb53690c1e58d8e2c943d95bff6b29f3b16164d92a20c897ebb15f0cbf96c60
ripemd-160
fe353f19b01eb727e9b3368c4e65698492b6e7fd
Diameter
42262538
Circumference
132771678.90286
Area
1.402817031239E+15
Volume
3.952440539319E+22
Surface area
5.6112681249559E+15
Circumference
132771678.90286
Perimeter
84525076
Area
446530529550361
Diagonal
29884127.209954
Surface area
2679183177302166
Volume
9.4357567366411E+21
Space diagonal
36600431.536405
Perimeter
63393807
Area
1.9335339107797E+14
Altitude
18300215.768203
Surface area
1.9335339107797E+14
Volume
1.1120145956843E+21
Height
9961375.7366514