21491622 is an even 8-digits composite number following 21491621
and preceding 21491623 . In scientific notation, it is written as 2.1491622 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6786504 positive integers (up to 21491622) that are relatively prime to 21491622.
21491622 has 16 divisors, whose sum is 43236672
The reverse of 21491622 is 22619412
Previous prime number is 171
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million four hundred ninety-one thousand six hundred twenty-two
Scientific notation
2.1491622 × 10^7
Engineering notation
2.1491622 × 10^6
Prime Factorization
2 × 3 × 171 × 20947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21491622
Product of the distinct prime numbers
The prime factorization of 21491622 is 2 × 3 × 171 × 20947.
Since it has a total of 4 prime factors.
1 , 4 , 60 , 65 , 371 , 85 , 1425 , 8398 , 89855 , 58735 , 472177 , 392641 , 6278756 , 1157805 , 19586141 , 1623018 , 274202517 , 929588385 , 5315392253 , 7985933834
n×2
42983244
n×3
64474866
n×4
85966488
n×5
107458110
n÷2
10745811
n÷3
7163874
n÷3
5372905.5
n÷5
4298324.4
n2
461889816190884
n3
9.926761335224E+21
n4
2.1334220230085E+29
n5
4.5850699684974E+36
2 √n
4635.9057367466
3 √n
278.02876537569
4 √n
68.087485904141
5 √n
29.272097207509
1 , 2 , 3 , 6 , 171 , 342 , 513 , 1026 , 20947 , 41894 , 62841 , 125682 , 3581937 , 7163874 , 10745811 , 21491622
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
-21491621
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 21491622 can be divided by 16 positive divisors.
The sum of these divisors (counting 21491622) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110111110100110
3
Ternary
1111102212222000
4
Quaternary
1101332332212
5
Quinary
21000212442
6
Senary
2044350130
8
Octal
121767646
10
Decimal
21491622
12
Duodecimal
7245346
16
Hexadecimal
147efa6
20
Vigesimal
6e6912
36
Base36
csn1i
md5
0dbec5fce13c373e225c5d4128e0961c
sha1
9223338ba11f6bb8f2057489a7f38ca838257192
sha256
ccf61d88bc0a3f3434048608ad6a2b606b3100d5fe7b5be578c97316816abb74
sha512
7b93b44afa3e6fbf58c13e0a45aef5b7f8e65afe449c76cd0e0201ffeaf0078802e3c05933f984312ee23c7d54faf24c5a8e96662f989fbc0c92a1da4de42f57
ripemd-160
8f6dc93fe9eda777a62d80ff9a87ba6107617810
Diameter
42983244
Circumference
135035843.57786
Area
1.4510696533132E+15
Volume
4.1581120646238E+22
Surface area
5.8042786132529E+15
Circumference
135035843.57786
Perimeter
85966488
Area
461889816190884
Diagonal
30393743.309796
Surface area
2771338897145304
Volume
9.926761335224E+21
Space diagonal
37224581.241065
Perimeter
64474866
Area
2.0000415728532E+14
Altitude
18612290.620533
Surface area
2.0000415728532E+14
Volume
1.1698800425595E+21
Height
10131247.769932