21293780 is an even 8-digits composite number following 21293779
and preceding 21293781 . In scientific notation, it is written as 2.1293780 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 8517504 positive integers (up to 21293780) that are relatively prime to 21293780.
21293780 has 12 divisors, whose sum is 44716980
The reverse of 21293780 is 08739212
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million two hundred ninety-three thousand seven hundred eighty
Scientific notation
2.1293780 × 10^7
Engineering notation
2.1293780 × 10^6
Prime Factorization
2 × 2 × 5 × 1064689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10646890
Product of the distinct prime numbers
The prime factorization of 21293780 is 2 × 2 × 5 × 1064689.
Since it has a total of 4 prime factors.
6 , 6 , 12 , 45 , 398 , 366 , 3171 , 7898 , 35587 , 30801 , 698721 , 935246 , 1450608 , 355332 , 89064622 , 47452673 , 205388637 , 590024569 , 6519969733 , 4969028190
n×2
42587560
n×3
63881340
n×4
85175120
n×5
106468900
n÷2
10646890
n÷3
7097926.6666667
n÷3
5323445
n÷5
4258756
n2
453425066688400
n3
9.6551336165481E+21
n4
2.0559429110138E+29
n5
4.3778796039687E+36
2 √n
4614.518393072
3 √n
277.17299901431
4 √n
67.930246525918
5 √n
29.218004562116
1 , 2 , 4 , 5 , 10 , 20 , 1064689 , 2129378 , 4258756 , 5323445 , 10646890 , 21293780
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
-21293779
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 21293780 can be divided by 12 positive divisors.
The sum of these divisors (counting 21293780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001001110101011010100
3
Ternary
1111001211120112
4
Quaternary
1101032223110
5
Quinary
20422400110
6
Senary
2040222152
8
Octal
121165324
10
Decimal
21293780
12
Duodecimal
716a958
16
Hexadecimal
144ead4
20
Vigesimal
6d1e90
36
Base36
coedw
md5
594d56887df037d049851c1f39dcd5a0
sha1
7f659867ed46f9e73e4655b9bfc411ef030dda59
sha256
612507e9712b12e977555c0ec130772fdd1bce806dd512782be183a8ac20826e
sha512
447d8084920fcd87a8b9193ba05933ab6cbfb6b64bfdea497af5a9da7afa8f937fcb57668ca06f66d588112523ff23c57ec92c5da2429e545d4ece83cbc976c9
ripemd-160
448541ba52003d3ece3b2dcdc9b26ab8dd51ae62
Diameter
42587560
Circumference
133792765.63031
Area
1.4244768584617E+15
Volume
4.0443329118901E+22
Surface area
5.697907433847E+15
Circumference
133792765.63031
Perimeter
85175120
Area
453425066688400
Diagonal
30113952.470189
Surface area
2720550400130400
Volume
9.6551336165481E+21
Space diagonal
36881908.845194
Perimeter
63881340
Area
1.963388132324E+14
Altitude
18440954.422597
Surface area
1.963388132324E+14
Volume
1.1378684089206E+21
Height
10037984.15673