21274890 is an even 8-digits composite number following 21274889
and preceding 21274891 . In scientific notation, it is written as 2.1274890 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 4488192 positive integers (up to 21274890) that are relatively prime to 21274890.
21274890 has 32 divisors, whose sum is 47138112
The reverse of 21274890 is 09847212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million two hundred seventy-four thousand eight hundred ninety
Scientific notation
2.1274890 × 10^7
Engineering notation
2.1274890 × 10^6
Prime Factorization
2 × 35 × 3 × 13 × 7793
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21274890
Product of the distinct prime numbers
The prime factorization of 21274890 is 2 × 35 × 3 × 13 × 7793.
Since it has a total of 5 prime factors.
9 , 1 , 29 , 73 , 82 , 730 , 7749 , 422 , 81239 , 558 , 198407 , 438755 , 5351451 , 6907464 , 22668077 , 41576372 , 344071909 , 297475269 , 1908683845 , 4984433362
n×2
42549780
n×3
63824670
n×4
85099560
n×5
106374450
n÷2
10637445
n÷3
7091630
n÷3
5318722.5
n÷5
4254978
n2
452620944512100
n3
9.629460806191E+21
n4
2.0486571941103E+29
n5
4.3584956452404E+36
2 √n
4612.4711381211
3 √n
277.09101346166
4 √n
67.915176051609
5 √n
29.212818784301
1 , 2 , 3 , 6 , 13 , 26 , 35 , 39 , 70 , 78 , 105 , 210 , 455 , 910 , 1365 , 2730 , 7793 , 15586 , 23379 , 46758 , 101309 , 202618 , 272755 , 303927 , 545510 , 607854 , 818265 , 1636530 , 3545815 , 7091630 , 10637445 , 21274890
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
-21274889
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 21274890 can be divided by 32 positive divisors.
The sum of these divisors (counting 21274890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001001010000100001010
3
Ternary
1111000212122220
4
Quaternary
1101022010022
5
Quinary
20421244030
6
Senary
2035554510
8
Octal
121120412
10
Decimal
21274890
12
Duodecimal
715ba36
16
Hexadecimal
144a10a
20
Vigesimal
6cj74a
36
Base36
cnzt6
md5
6d528468f070c8d982a4542bf7d85431
sha1
31e2d6ba6d4030b895a74d6dbc1ecbca0c377db7
sha256
4de55e8d1808890bc2c5e974d598c150f23306aeb29d66dae54e6e6894ffa87a
sha512
45c000ce961181fb3ee0a46545d1f0fdc292727c872526f29b1efa5b6e5f43c26cf37e24d783ec8f5af25aebc4d13fbbd717c7450fa64ff2e0eef4c17eca143b
ripemd-160
f8d408a662cbc216d8921406e6ba7cd7fb4031f6
Diameter
42549780
Circumference
133674076.25986
Area
1.4219506341401E+15
Volume
4.0335791102347E+22
Surface area
5.6878025365603E+15
Circumference
133674076.25986
Perimeter
85099560
Area
452620944512100
Diagonal
30087237.975996
Surface area
2715725667072600
Volume
9.629460806191E+21
Space diagonal
36849190.405439
Perimeter
63824670
Area
1.9599061811619E+14
Altitude
18424595.20272
Surface area
1.9599061811619E+14
Volume
1.1348428392046E+21
Height
10029079.325332