21493392 is an even 8-digits composite number following 21493391
and preceding 21493393 . In scientific notation, it is written as 2.1493392 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors.
There are 7164448 positive integers (up to 21493392) that are relatively prime to 21493392.
21493392 has 20 divisors, whose sum is 55524720
The reverse of 21493392 is 29339412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-three thousand three hundred ninety-two
Scientific notation
2.1493392 × 10^7
Engineering notation
2.1493392 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 447779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2686674
Product of the distinct prime numbers
The prime factorization of 21493392 is 2 × 2 × 2 × 2 × 3 × 447779.
Since it has a total of 6 prime factors.
3 , 6 , 90 , 57 , 7 , 73 , 8814 , 5844 , 1590 , 74272 , 209685 , 274836 , 5229216 , 1141655 , 75490761 , 59177724 , 244714876 , 837764787 , 2288006382 , 4170658570
n×2
42986784
n×3
64480176
n×4
85973568
n×5
107466960
n÷2
10746696
n÷3
7164464
n÷3
5373348
n÷5
4298678.4
n2
461965899665664
n3
9.9292141721468E+21
n4
2.1341249245391E+29
n5
4.5869583580089E+36
2 √n
4636.0966340231
3 √n
278.03639776698
4 √n
68.08888774259
5 √n
29.272579347994
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 447779 , 895558 , 1343337 , 1791116 , 2686674 , 3582232 , 5373348 , 7164464 , 10746696 , 21493392
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493391
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493392 can be divided by 20 positive divisors.
The sum of these divisors (counting 21493392) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001111111011010010000
3
Ternary
1111102222101120
4
Quaternary
1101333122100
5
Quinary
21000242032
6
Senary
2044402240
8
Octal
121773220
10
Decimal
21493392
12
Duodecimal
7246380
16
Hexadecimal
147f690
20
Vigesimal
6e6d9c
36
Base36
csoeo
md5
c381dedbfe572fb9675383f23f9f7c68
sha1
c6f0de446a32598d81954003637d0a9a78fc5ea8
sha256
e64257b4ebd4be81627162efaa9fcb3f48b160d017c4cb89db4b48c0ad71a44c
sha512
7464715a8d55177c21d9647b06aca84b89f7da72d92f9b259205d8ae917de1a58e8a596c98b3479cf8445c185bbfaa30b351a4feb0e765d608aa12891120630f
ripemd-160
604ff700d76d753d3627761605ad720a0af00fd5
Diameter
42986784
Circumference
135046964.81585
Area
1.4513086765986E+15
Volume
4.1591395065515E+22
Surface area
5.8052347063946E+15
Circumference
135046964.81585
Perimeter
85973568
Area
461965899665664
Diagonal
30396246.467801
Surface area
2771795397993984
Volume
9.9292141721468E+21
Space diagonal
37227646.970994
Perimeter
64480176
Area
2.000371023963E+14
Altitude
18613823.485497
Surface area
2.000371023963E+14
Volume
1.1701691121631E+21
Height
10132082.155934