21291736 is an even 8-digits composite number following 21291735
and preceding 21291737 . In scientific notation, it is written as 2.1291736 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 10616544 positive integers (up to 21291736) that are relatively prime to 21291736.
21291736 has 16 divisors, whose sum is 40032000
The reverse of 21291736 is 63719212
Previous prime number is 383
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred ninety-one thousand seven hundred thirty-six
Scientific notation
2.1291736 × 10^7
Engineering notation
2.1291736 × 10^6
Prime Factorization
2 × 2 × 2 × 383 × 6949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5322934
Product of the distinct prime numbers
The prime factorization of 21291736 is 2 × 2 × 2 × 383 × 6949.
Since it has a total of 5 prime factors.
10 , 4 , 85 , 45 , 809 , 436 , 1908 , 8325 , 743 , 53884 , 661726 , 671272 , 6864012 , 7678622 , 72757304 , 80709495 , 435717222 , 384900826 , 688919453 , 3379211181
n×2
42583472
n×3
63875208
n×4
85166944
n×5
106458680
n÷2
10645868
n÷3
7097245.3333333
n÷3
5322934
n÷5
4258347.2
n2
453338021893696
n3
9.6523534809228E+21
n4
2.0551536209449E+29
n5
4.3757788336603E+36
2 √n
4614.2969128568
3 √n
277.16413007483
4 √n
67.928616303122
5 √n
29.217443610565
1 , 2 , 4 , 8 , 383 , 766 , 1532 , 3064 , 6949 , 13898 , 27796 , 55592 , 2661467 , 5322934 , 10645868 , 21291736
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
-21291735
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 21291736 can be divided by 16 positive divisors.
The sum of these divisors (counting 21291736) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110001011011000
3
Ternary
1111001201202211
4
Quaternary
1101032023120
5
Quinary
20422313421
6
Senary
2040204504
8
Octal
121161330
10
Decimal
21291736
12
Duodecimal
7169734
16
Hexadecimal
144e2d8
20
Vigesimal
6d196g
36
Base36
coct4
md5
27cc5c98d8d06e16009f2d6b826c28ee
sha1
45c7edc04928d8b674dfe58c134ace0c32cf9375
sha256
c1e80002cd87f77ef5c78c450027d06272983aec48a44f801a66ba29054fe109
sha512
148f48c3bfa4cc47c42b586bb198084afbb75fece6f82581116d67bdfa77a0431c83f9b4ecb72e1cf2f9123a64b67365a0b72897bbcb94b1dcad6bbba04d13f6
ripemd-160
8760f6d15a6155bb0219733736103026ca47fc81
Diameter
42583472
Circumference
133779922.79955
Area
1.4242033991742E+15
Volume
4.0431683714025E+22
Surface area
5.6968135966967E+15
Circumference
133779922.79955
Perimeter
85166944
Area
453338021893696
Diagonal
30111061.817667
Surface area
2720028131362176
Volume
9.6523534809228E+21
Space diagonal
36878368.533343
Perimeter
63875208
Area
1.9630112173066E+14
Altitude
18439184.266672
Surface area
1.9630112173066E+14
Volume
1.137540766795E+21
Height
10037020.605889