21492472 is an even 8-digits composite number following 21492471
and preceding 21492473 . In scientific notation, it is written as 2.1492472 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 10746232 positive integers (up to 21492472) that are relatively prime to 21492472.
21492472 has 8 divisors, whose sum is 40298400
The reverse of 21492472 is 27429412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand four hundred seventy-two
Scientific notation
2.1492472 × 10^7
Engineering notation
2.1492472 × 10^6
Prime Factorization
2 × 2 × 2 × 2686559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5373118
Product of the distinct prime numbers
The prime factorization of 21492472 is 2 × 2 × 2 × 2686559.
Since it has a total of 4 prime factors.
9 , 10 , 46 , 78 , 959 , 745 , 2694 , 1729 , 87798 , 82713 , 826943 , 712358 , 8935779 , 5224618 , 33419776 , 6665477 , 868910328 , 26782885 , 468573196 , 1262422848
n×2
42984944
n×3
64477416
n×4
85969888
n×5
107462360
n÷2
10746236
n÷3
7164157.3333333
n÷3
5373118
n÷5
4298494.4
n2
461926352670784
n3
9.927939200839E+21
n4
2.1337595529173E+29
n5
4.5859767445808E+36
2 √n
4635.997411561
3 √n
278.03243070065
4 √n
68.088159114203
5 √n
29.272328747864
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492472 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492472) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111001011111000
3
Ternary
1111102221010111
4
Quaternary
1101333023320
5
Quinary
21000224342
6
Senary
2044354104
8
Octal
121771370
10
Decimal
21492472
12
Duodecimal
7245934
16
Hexadecimal
147f2f8
20
Vigesimal
6e6b3c
36
Base36
csnp4
md5
2aae4e19c2321bbeabc95c125a6ab97c
sha1
906a9f53b4cc582075ab57bbc6f19f1f7b7836cd
sha256
9060751193330bfab3d17146d1c4278d58e74fc37b1186caa175224abda72469
sha512
f8aef1651e70a02898d45d664ca2bec7930502a870e8aad6380b1def39023bf3afa23e490f84f872fa98e63c14cff521fb0a6ba00843a5a51668ffe4fa031f4d
ripemd-160
b0d356cd0bd4819b2aee211dc934856dc1bb8dbc
Diameter
42984944
Circumference
135041184.28537
Area
1.4511844360501E+15
Volume
4.1586054478189E+22
Surface area
5.8047377442003E+15
Circumference
135041184.28537
Perimeter
85969888
Area
461926352670784
Diagonal
30394945.391324
Surface area
2771558116024704
Volume
9.927939200839E+21
Space diagonal
37226053.484251
Perimeter
64477416
Area
2.0001997804519E+14
Altitude
18613026.742126
Surface area
2.0001997804519E+14
Volume
1.1700188553535E+21
Height
10131648.463775