21493722 is an even 8-digits composite number following 21493721
and preceding 21493723 . In scientific notation, it is written as 2.1493722 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 6948144 positive integers (up to 21493722) that are relatively prime to 21493722.
21493722 has 32 divisors, whose sum is 44301312
The reverse of 21493722 is 22739412
Previous prime number is 227
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-three thousand seven hundred twenty-two
Scientific notation
2.1493722 × 10^7
Engineering notation
2.1493722 × 10^6
Prime Factorization
2 × 3 × 43 × 227 × 367
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21493722
Product of the distinct prime numbers
The prime factorization of 21493722 is 2 × 3 × 43 × 227 × 367.
Since it has a total of 5 prime factors.
9 , 2 , 20 , 38 , 899 , 625 , 2165 , 1877 , 29336 , 94496 , 457621 , 460673 , 9990145 , 6946005 , 70219465 , 22714329 , 721871423 , 218957644 , 8843933588 , 1026117118
n×2
42987444
n×3
64481166
n×4
85974888
n×5
107468610
n÷2
10746861
n÷3
7164574
n÷3
5373430.5
n÷5
4298744.4
n2
461980085413284
n3
9.9296715254094E+21
n4
2.1342559931847E+29
n5
4.5873104994345E+36
2 √n
4636.1322241714
3 √n
278.03782070885
4 √n
68.089149092725
5 √n
29.27266923508
1 , 2 , 3 , 6 , 43 , 86 , 129 , 227 , 258 , 367 , 454 , 681 , 734 , 1101 , 1362 , 2202 , 9761 , 15781 , 19522 , 29283 , 31562 , 47343 , 58566 , 83309 , 94686 , 166618 , 249927 , 499854 , 3582287 , 7164574 , 10746861 , 21493722
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493721
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493722 can be divided by 32 positive divisors.
The sum of these divisors (counting 21493722) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111011111011010
3
Ternary
1111102222211210
4
Quaternary
1101333133122
5
Quinary
21000244342
6
Senary
2044403550
8
Octal
121773732
10
Decimal
21493722
12
Duodecimal
72465b6
16
Hexadecimal
147f7da
20
Vigesimal
6e6e62
36
Base36
csonu
md5
e8d7f2bc698991d79436c4ca27c2e905
sha1
bf03ad14e4a42fee8deffa3a799f0e6d5418364a
sha256
33ff750725b05e6609d6e80b69ea3fd9806c47a28d7344e9ce5dcd0a08ac3fe4
sha512
26d5ffd3303960668049dd06acf424c496f10f2a17f62326527560847bb6ae8f2537b1d37030d623cf04078f54893649808787ea6b8e010ebdd642851fc38073
ripemd-160
7fb66423bf926663548d126d452a7d7a92c6f8e5
Diameter
42987444
Circumference
135049038.267
Area
1.4513532424392E+15
Volume
4.1593310822381E+22
Surface area
5.8054129697566E+15
Circumference
135049038.267
Perimeter
85974888
Area
461980085413284
Diagonal
30396713.158277
Surface area
2771880512479704
Volume
9.9296715254094E+21
Space diagonal
37228218.547761
Perimeter
64481166
Area
2.000432450052E+14
Altitude
18614109.27388
Surface area
2.000432450052E+14
Volume
1.170223011762E+21
Height
10132237.719426