21371649 is an odd 8-digits composite number following 21371648
and preceding 21371650 . In scientific notation, it is written as 2.1371649 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13111488 positive integers (up to 21371649) that are relatively prime to 21371649.
21371649 has 16 divisors, whose sum is 30781632
The reverse of 21371649 is 94617312
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred seventy-one thousand six hundred forty-nine
Scientific notation
2.1371649 × 10^7
Engineering notation
2.1371649 × 10^6
Prime Factorization
3 × 13 × 443 × 1237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21371649
Product of the distinct prime numbers
The prime factorization of 21371649 is 3 × 13 × 443 × 1237.
Since it has a total of 4 prime factors.
10 , 9 , 4 , 62 , 287 , 205 , 6593 , 553 , 82599 , 1711 , 979167 , 428476 , 9391432 , 768983 , 11824153 , 72896348 , 593388821 , 899492610 , 807228380 , 4917447492
n×2
42743298
n×3
64114947
n×4
85486596
n×5
106858245
n÷2
10685824.5
n÷3
7123883
n÷3
5342912.25
n÷5
4274329.8
n2
456747380979201
n3
9.7614447079568E+21
n4
2.0861817003136E+29
n5
4.4585143049325E+36
2 √n
4622.9480853672
3 √n
277.51045168004
4 √n
67.992264893642
5 √n
29.23934277499
1 , 3 , 13 , 39 , 443 , 1237 , 1329 , 3711 , 5759 , 16081 , 17277 , 48243 , 547991 , 1643973 , 7123883 , 21371649
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21371648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21371649 can be divided by 16 positive divisors.
The sum of these divisors (counting 21371649) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001101100000001
3
Ternary
1111012210101120
4
Quaternary
1101201230001
5
Quinary
20432343044
6
Senary
2042022453
8
Octal
121415401
10
Decimal
21371649
12
Duodecimal
71a7a29
16
Hexadecimal
1461b01
20
Vigesimal
6db929
36
Base36
cq2gx
md5
ff410275420a6ad3fbc6f4630fce15b0
sha1
b4a02c4e6b085a5ebbf7affdb40f3b2eea6879e6
sha256
5183b6017f5ffe77237cd1266c390c8bae6c4bf224455a58f3fc7868f09d9f68
sha512
0c3c88f1e855a143754fe2dc7b204e73e50780e694dbbd09ffc5f681e0bf96861fe56050ae7477d03c65a0dcd5487527d9e20daeafa3f0e93e24bf2d9a67f955
ripemd-160
5e36f20a2ab85a8e1c6e5ae631aacdd08378fbff
Diameter
42743298
Circumference
134282030.987
Area
1.4349142166306E+15
Volume
4.0888643977253E+22
Surface area
5.7396568665225E+15
Circumference
134282030.987
Perimeter
85486596
Area
456747380979201
Diagonal
30224075.866077
Surface area
2740484285875206
Volume
9.7614447079568E+21
Space diagonal
37016781.909529
Perimeter
64114947
Area
1.9777741752E+14
Altitude
18508390.954764
Surface area
1.9777741752E+14
Volume
1.1503972911956E+21
Height
10074691.955359