21371906 is an even 8-digits composite number following 21371905
and preceding 21371907 . In scientific notation, it is written as 2.1371906 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 10375200 positive integers (up to 21371906) that are relatively prime to 21371906.
21371906 has 16 divisors, whose sum is 32997888
The reverse of 21371906 is 60917312
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million three hundred seventy-one thousand nine hundred six
Scientific notation
2.1371906 × 10^7
Engineering notation
2.1371906 × 10^6
Prime Factorization
2 × 41 × 263 × 991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21371906
Product of the distinct prime numbers
The prime factorization of 21371906 is 2 × 41 × 263 × 991.
Since it has a total of 4 prime factors.
3 , 7 , 96 , 42 , 832 , 539 , 3495 , 121 , 30359 , 2088 , 816497 , 909583 , 5314204 , 4762317 , 76975364 , 17837020 , 535990876 , 830905241 , 1333835677 , 8752904637
n×2
42743812
n×3
64115718
n×4
85487624
n×5
106859530
n÷2
10685953
n÷3
7123968.6666667
n÷3
5342976.5
n÷5
4274381.2
n2
456758366072836
n3
9.7617968644222E+21
n4
2.0862820497753E+29
n5
4.4587823857284E+36
2 √n
4622.9758813993
3 √n
277.5115640556
4 √n
67.992469299176
5 √n
29.239413096892
1 , 2 , 41 , 82 , 263 , 526 , 991 , 1982 , 10783 , 21566 , 40631 , 81262 , 260633 , 521266 , 10685953 , 21371906
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
-21371905
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 21371906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21371906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001110000000010
3
Ternary
1111012210202002
4
Quaternary
1101201300002
5
Quinary
20432400111
6
Senary
2042024002
8
Octal
121416002
10
Decimal
21371906
12
Duodecimal
71a8002
16
Hexadecimal
1461c02
20
Vigesimal
6db9f6
36
Base36
cq2o2
md5
1ad41e59bfda71062cc357b1420111d6
sha1
240c80af64b6f0186319d8491e5da06c1dba0fea
sha256
1686cb24a1235bd590138985a5b085a08cb54e757954b996a9ef34b67adfc124
sha512
3d73857159cc7e860f6d73770bc4b00f9cf3286ca3f0eb9e37875e1910d7c4968726450847430730f799964d520f08d8ae4f8b2ae7e1326be7bdfe4489f9de97
ripemd-160
162fc61b3d826ced005c4deaf9c8271fb6ad0aa6
Diameter
42743812
Circumference
134283645.76562
Area
1.4349487273201E+15
Volume
4.0890119086806E+22
Surface area
5.7397949092804E+15
Circumference
134283645.76562
Perimeter
85487624
Area
456758366072836
Diagonal
30224439.318963
Surface area
2740550196437016
Volume
9.7617968644222E+21
Space diagonal
37017227.046586
Perimeter
64115718
Area
1.9778217420507E+14
Altitude
18508613.523293
Surface area
1.9778217420507E+14
Volume
1.1504387932331E+21
Height
10074813.106321