21131841 is an odd 8-digits composite number following 21131840
and preceding 21131842 . In scientific notation, it is written as 2.1131841 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 14087892 positive integers (up to 21131841) that are relatively prime to 21131841.
21131841 has 4 divisors, whose sum is 28175792
The reverse of 21131841 is 14813112
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred thirty-one thousand eight hundred forty-one
Scientific notation
2.1131841 × 10^7
Engineering notation
2.1131841 × 10^6
Prime Factorization
3 × 7043947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131841
Product of the distinct prime numbers
The prime factorization of 21131841 is 3 × 7043947.
Since it has a total of 2 prime factors.
6 , 1 , 55 , 20 , 280 , 86 , 4131 , 6600 , 16673 , 30241 , 750469 , 721036 , 7766611 , 3333570 , 10599183 , 83571618 , 713438651 , 57549590 , 7234092457 , 2792758024
n×2
42263682
n×3
63395523
n×4
84527364
n×5
105659205
n÷2
10565920.5
n÷3
7043947
n÷3
5282960.25
n÷5
4226368.2
n2
446554704049281
n3
9.4365230037715E+21
n4
1.9941110370854E+29
n5
4.2139237372034E+36
2 √n
4596.9382201635
3 √n
276.4685775806
4 √n
67.80072433362
5 √n
29.173428223116
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
-21131840
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 21131841 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131841) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111001001000001
3
Ternary
1110202121102210
4
Quaternary
1100213021001
5
Quinary
20402204331
6
Senary
2032532333
8
Octal
120471101
10
Decimal
21131841
12
Duodecimal
70b10a9
16
Hexadecimal
1427241
20
Vigesimal
6c19c1
36
Base36
ckxfl
md5
66c57aa6e3e9ab662560e99e1a2fc49d
sha1
eaf03a9854edbb53bfe8dde2bfd3d97d26e99c6f
sha256
9dcc2bf6c368fa8ae5464105f11e8355547083f23e35fa80b1cc51ca7c066556
sha512
4a1e0447ba959044948f4e67581cdbccd22c7b2cf7501d9f7e78edd8b8a405599d480e24528d2e6ddc4bec1e122183fc110b8a4588e1c23595c911b9ca0d6440
ripemd-160
d1749d756cd4e08ab81c9f9d4bdfd15287d718b3
Diameter
42263682
Circumference
132775272.88486
Area
1.4028929776672E+15
Volume
3.9527615125439E+22
Surface area
5.6115719106687E+15
Circumference
132775272.88486
Perimeter
84527364
Area
446554704049281
Diagonal
29884936.140112
Surface area
2679328224295686
Volume
9.4365230037715E+21
Space diagonal
36601422.269467
Perimeter
63395523
Area
1.9336385894306E+14
Altitude
18300711.134734
Surface area
1.9336385894306E+14
Volume
1.1121049011316E+21
Height
9961645.3800373