21496780 is an even 8-digits composite number following 21496779
and preceding 21496781 . In scientific notation, it is written as 2.1496780 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 8598704 positive integers (up to 21496780) that are relatively prime to 21496780.
21496780 has 12 divisors, whose sum is 45143280
The reverse of 21496780 is 08769412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-six thousand seven hundred eighty
Scientific notation
2.1496780 × 10^7
Engineering notation
2.1496780 × 10^6
Prime Factorization
2 × 2 × 5 × 1074839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10748390
Product of the distinct prime numbers
The prime factorization of 21496780 is 2 × 2 × 5 × 1074839.
Since it has a total of 4 prime factors.
8 , 6 , 30 , 61 , 184 , 300 , 6295 , 6705 , 21755 , 83166 , 769085 , 588763 , 2985056 , 8514300 , 82703226 , 24216561 , 928300977 , 556549382 , 3217600437 , 6786791155
n×2
42993560
n×3
64490340
n×4
85987120
n×5
107483900
n÷2
10748390
n÷3
7165593.3333333
n÷3
5374195
n÷5
4299356
n2
462111550368400
n3
9.9339103337284E+21
n4
2.1354708498389E+29
n5
4.5905747055399E+36
2 √n
4636.4620132165
3 √n
278.051005944
4 √n
68.091570794163
5 √n
29.273502136228
1 , 2 , 4 , 5 , 10 , 20 , 1074839 , 2149678 , 4299356 , 5374195 , 10748390 , 21496780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21496779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21496780 can be divided by 12 positive divisors.
The sum of these divisors (counting 21496780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000000001111001100
3
Ternary
1111110011001001
4
Quaternary
1102000033030
5
Quinary
21000344110
6
Senary
2044430044
8
Octal
122001714
10
Decimal
21496780
12
Duodecimal
7248324
16
Hexadecimal
14803cc
20
Vigesimal
6e71j0
36
Base36
csr0s
md5
3a3a5f22babc6ba226d150fe96511cc9
sha1
0d1b3d1ef7739afe9c902d5180c98012cbd35712
sha256
11774b770b0745e2b7894c38f98e9d561aad38322dc9ccb648f1ddbdad8c835e
sha512
5ed9d50064d28b08106125d1b9f53ac39fa904ae0df6fd2319e1f428b162bdace4eb1bb6d0cdc0a1619a1001f783d6573fecf916fc40fa37f615268687c9c1ab
ripemd-160
29bf258caaec954f5905492c1c02f3583de750be
Diameter
42993560
Circumference
135068252.24767
Area
1.4517662517764E+15
Volume
4.1611066301148E+22
Surface area
5.8070650071054E+15
Circumference
135068252.24767
Perimeter
85987120
Area
462111550368400
Diagonal
30401037.823351
Surface area
2772669302210400
Volume
9.9339103337284E+21
Space diagonal
37233515.15913
Perimeter
64490340
Area
2.0010017100062E+14
Altitude
18616757.579565
Surface area
2.0010017100062E+14
Volume
1.1707225601131E+21
Height
10133679.27445