21284927 is an odd 8-digits composite number following 21284926
and preceding 21284928 . In scientific notation, it is written as 2.1284927 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20550936 positive integers (up to 21284927) that are relatively prime to 21284927.
21284927 has 4 divisors, whose sum is 22018920
The reverse of 21284927 is 72948212
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million two hundred eighty-four thousand nine hundred twenty-seven
Scientific notation
2.1284927 × 10^7
Engineering notation
2.1284927 × 10^6
Prime Factorization
29 × 733963
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21284927
Product of the distinct prime numbers
The prime factorization of 21284927 is 29 × 733963.
Since it has a total of 2 prime factors.
6 , 8 , 98 , 96 , 552 , 226 , 6755 , 4181 , 78633 , 82337 , 293725 , 273814 , 563101 , 4040740 , 28345983 , 6276063 , 140295893 , 69484848 , 2062526550 , 1074780844
n×2
42569854
n×3
63854781
n×4
85139708
n×5
106424635
n÷2
10642463.5
n÷3
7094975.6666667
n÷3
5321231.75
n÷5
4256985.4
n2
453048117395329
n3
9.643096106247E+21
n4
2.0525259667545E+29
n5
4.3687865367974E+36
2 √n
4613.559038313
3 √n
277.13458165017
4 √n
67.923184836351
5 √n
29.215574650452
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21284926
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21284927 can be divided by 4 positive divisors.
The sum of these divisors (counting 21284927) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001100100000111111
3
Ternary
1111001101102122
4
Quaternary
1101030200333
5
Quinary
20422104202
6
Senary
2040113155
8
Octal
121144077
10
Decimal
21284927
12
Duodecimal
71657bb
16
Hexadecimal
144c83f
20
Vigesimal
6d0c67
36
Base36
co7jz
md5
0a047fbec39afbf7babff6f2d9d8fe1b
sha1
08d3449024045d018ba2689c6b618e5278691843
sha256
036b6144094d3f9d095ef8c7b886efd52db5548ccaff8d95d407ead45c8a315d
sha512
346ad3beeee04e179ba0c1fba40b7961c766c359b94214ed66dd6f2677f906e6887d54a33dabbe9b2b759104b565bcc0008b2491783940d0cb22b1e766800efb
ripemd-160
c45c6b30abad003f9a1c33d132ff80497e303eaa
Diameter
42569854
Circumference
133737140.59079
Area
1.4232926373319E+15
Volume
4.0392906513661E+22
Surface area
5.6931705493274E+15
Circumference
133737140.59079
Perimeter
85139708
Area
453048117395329
Diagonal
30101432.437521
Surface area
2718288704371974
Volume
9.643096106247E+21
Space diagonal
36866574.999395
Perimeter
63854781
Area
1.9617558940053E+14
Altitude
18433287.499697
Surface area
1.9617558940053E+14
Volume
1.1364497747268E+21
Height
10033810.812507