21997275 is an odd 8-digits composite number following 21997274
and preceding 21997276 . In scientific notation, it is written as 2.1997275 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11673600 positive integers (up to 21997275) that are relatively prime to 21997275.
21997275 has 16 divisors, whose sum is 28296576
The reverse of 21997275 is 57279912
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million nine hundred ninety-seven thousand two hundred seventy-five
Scientific notation
2.1997275 × 10^7
Engineering notation
2.1997275 × 10^6
Prime Factorization
15 × 5 × 241 × 1217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21997275
Product of the distinct prime numbers
The prime factorization of 21997275 is 15 × 5 × 241 × 1217.
Since it has a total of 4 prime factors.
1 , 9 , 23 , 28 , 45 , 419 , 365 , 4610 , 25350 , 81140 , 387704 , 857138 , 6734407 , 930897 , 98524897 , 67218713 , 244890634 , 21467971 , 5384210744 , 7390455972
n×2
43994550
n×3
65991825
n×4
87989100
n×5
109986375
n÷2
10998637.5
n÷3
7332425
n÷3
5499318.75
n÷5
4399455
n2
483880107425625
n3
1.0644043790071E+22
n4
2.3413995836223E+29
n5
5.1504410525826E+36
2 √n
4690.1252648517
3 √n
280.19236356182
4 √n
68.484489228231
5 √n
29.4085611638
1 , 5 , 15 , 75 , 241 , 1205 , 1217 , 3615 , 6085 , 18075 , 18255 , 91275 , 293297 , 1466485 , 4399455 , 21997275
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21997274
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21997275 can be divided by 16 positive divisors.
The sum of these divisors (counting 21997275) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010011011011011
3
Ternary
1112101120120220
4
Quaternary
1103322123123
5
Quinary
21112403100
6
Senary
2103251123
8
Octal
123723333
10
Decimal
21997275
12
Duodecimal
7449aa3
16
Hexadecimal
14fa6db
20
Vigesimal
6h9d3f
36
Base36
d3h7f
md5
39db229ae4e0da549221c1c3766abd2e
sha1
135c76272c60bd5ba341bae44d2c86c82701e49c
sha256
f5cf70973abe29e4affe8a720b44dd7b23a42a7e397579a963797b35d9a8ef49
sha512
0075bf95452edf669b745151689735ec73e90a73ea4b698c77f4fba71c46985a2781a6c8a10f8d3243da102d6b828d58f10b7acffaf928eb907aea50c711c6ad
ripemd-160
f5cedf760e8e834d8668219176cc400ada5a97fb
Diameter
43994550
Circumference
138212955.07799
Area
1.5201541907066E+15
Volume
4.4585666367167E+22
Surface area
6.0806167628263E+15
Circumference
138212955.07799
Perimeter
87989100
Area
483880107425625
Diagonal
31108844.640251
Surface area
2903280644553750
Volume
1.0644043790071E+22
Space diagonal
38100397.928065
Perimeter
65991825
Area
2.0952623270827E+14
Altitude
19050198.964032
Surface area
2.0952623270827E+14
Volume
1.2544125905343E+21
Height
10369614.880084