21004927 is an odd 8-digits composite number following 21004926
and preceding 21004928 . In scientific notation, it is written as 2.1004927 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20980960 positive integers (up to 21004927) that are relatively prime to 21004927.
21004927 has 4 divisors, whose sum is 21028896
The reverse of 21004927 is 72940012
Previous prime number is 911
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four thousand nine hundred twenty-seven
Scientific notation
2.1004927 × 10^7
Engineering notation
2.1004927 × 10^6
Prime Factorization
911 × 23057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21004927
Product of the distinct prime numbers
The prime factorization of 21004927 is 911 × 23057.
Since it has a total of 2 prime factors.
3 , 9 , 63 , 1 , 465 , 766 , 8624 , 8104 , 25236 , 68341 , 74502 , 840814 , 1462562 , 9793446 , 82027249 , 12537182 , 266793892 , 398850424 , 5762421462 , 8303442866
n×2
42009854
n×3
63014781
n×4
84019708
n×5
105024635
n÷2
10502463.5
n÷3
7001642.3333333
n÷3
5251231.75
n÷5
4200985.4
n2
441206958275329
n3
9.2675199504653E+21
n4
1.9466358003057E+29
n5
4.0888942881007E+36
2 √n
4583.1132432005
3 √n
275.91399248967
4 √n
67.698694545763
5 √n
29.138301673439
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
-21004926
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 21004927 can be divided by 4 positive divisors.
The sum of these divisors (counting 21004927) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001000001001111111
3
Ternary
1110112011100021
4
Quaternary
1100020021333
5
Quinary
20334124202
6
Senary
2030113011
8
Octal
120101177
10
Decimal
21004927
12
Duodecimal
704b767
16
Hexadecimal
140827f
20
Vigesimal
6b5c67
36
Base36
ci7i7
md5
f33bf8a95fc20a66b99b03014c3e731b
sha1
52a8a919ba5c2a8fa7ba7462c7c5eb35f1a44aa2
sha256
130f75278c094fe4c5e00dd38bbf2651d2909e548e92dfcac4ec4e31c5db3b39
sha512
0e5c13ed90899aa6dfc8e53f5135078e791c9d05d78ad393c9857558d3801fd7778751e5b6c82908e075761224a747a59bc4ac6d00a600959b5633c16159c298
ripemd-160
25e26db9b03699d6ca31ce3c42a1d9d1b2f359cb
Diameter
42009854
Circumference
131977848.70478
Area
1.3860925388305E+15
Volume
3.8819696791172E+22
Surface area
5.5443701553219E+15
Circumference
131977848.70478
Perimeter
84019708
Area
441206958275329
Diagonal
29705452.640057
Surface area
2647241749651974
Volume
9.2675199504653E+21
Space diagonal
36381600.773275
Perimeter
63014781
Area
1.9104821709645E+14
Altitude
18190800.386638
Surface area
1.9104821709645E+14
Volume
1.0921877002926E+21
Height
9901817.5466856