21016872 is an even 8-digits composite number following 21016871
and preceding 21016873 . In scientific notation, it is written as 2.1016872 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 7005600 positive integers (up to 21016872) that are relatively prime to 21016872.
21016872 has 24 divisors, whose sum is 56920890
The reverse of 21016872 is 27861012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million sixteen thousand eight hundred seventy-two
Scientific notation
2.1016872 × 10^7
Engineering notation
2.1016872 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 291901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1751406
Product of the distinct prime numbers
The prime factorization of 21016872 is 2 × 2 × 2 × 3 × 3 × 291901.
Since it has a total of 6 prime factors.
10 , 3 , 50 , 54 , 649 , 599 , 2446 , 111 , 25151 , 75774 , 884478 , 507770 , 2487585 , 6604449 , 93421119 , 95098616 , 517121386 , 106093455 , 6001542411 , 7355978325
n×2
42033744
n×3
63050616
n×4
84067488
n×5
105084360
n÷2
10508436
n÷3
7005624
n÷3
5254218
n÷5
4203374.4
n2
441708908664384
n3
9.283339594659E+21
n4
1.9510675999348E+29
n5
4.1005338011177E+36
2 √n
4584.4162114712
3 √n
275.96628447639
4 √n
67.708317151375
5 √n
29.141614971007
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 291901 , 583802 , 875703 , 1167604 , 1751406 , 2335208 , 2627109 , 3502812 , 5254218 , 7005624 , 10508436 , 21016872
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21016871
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21016872 can be divided by 24 positive divisors.
The sum of these divisors (counting 21016872) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001011000100101000
3
Ternary
1110112202201200
4
Quaternary
1100023010220
5
Quinary
20340014442
6
Senary
2030244200
8
Octal
120130450
10
Decimal
21016872
12
Duodecimal
7056660
16
Hexadecimal
140b128
20
Vigesimal
6b723c
36
Base36
cigq0
md5
007cd8c4e565cddf1913a4884d2f9dd2
sha1
2ca2cdce7b4ff081c2013f1224ad33f7851785f3
sha256
6e95b31188a1e756d99bb01c2950f71d637e62abb28a61d8375a0b9965bd66cf
sha512
d055c7965f64737739643705c8e661312005ed85d0355f8e7d87ad1105d842268755783916741a52427c913359427a33061600988a6410479367bd997dda0e45
ripemd-160
254f319295712f5568770d99ef10789cd59fea0b
Diameter
42033744
Circumference
132052901.35327
Area
1.3876694624852E+15
Volume
3.8885961961813E+22
Surface area
5.5506778499408E+15
Circumference
132052901.35327
Perimeter
84067488
Area
441708908664384
Diagonal
29722345.421059
Surface area
2650253451986304
Volume
9.283339594659E+21
Space diagonal
36402290.120172
Perimeter
63050616
Area
1.9126556799063E+14
Altitude
18201145.060086
Surface area
1.9126556799063E+14
Volume
1.0940520632402E+21
Height
9907448.4736865