221427997 is an odd 9-digits composite number following 221427996
and preceding 221427998 . In scientific notation, it is written as 2.21427997 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 189795420 positive integers (up to 221427997) that are relatively prime to 221427997.
221427997 has 4 divisors, whose sum is 253060576
The reverse of 221427997 is 799724122
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred twenty-one million four hundred twenty-seven thousand nine hundred ninety-seven
Scientific notation
2.21427997 × 10^8
Engineering notation
2.21427997 × 10^6
Prime Factorization
7 × 31632571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221427997
Product of the distinct prime numbers
The prime factorization of 221427997 is 7 × 31632571.
Since it has a total of 2 prime factors.
3 , 10 , 58 , 91 , 428 , 880 , 5897 , 1758 , 15648 , 9622 , 968336 , 1499 , 6861405 , 6388493 , 75855021 , 74954232 , 224035894 , 440170351 , 946518704 , 496529264
n×2
442855994
n×3
664283991
n×4
885711988
n×5
1107139985
n÷2
110713998.5
n÷3
73809332.333333
n÷3
55356999.25
n÷5
44285599.4
n2
49030357855432009
n3
1.0856693932122E+25
n4
2.4039759914317E+33
n5
5.3230758861882E+41
2 √n
14880.456881427
3 √n
604.98440139188
4 √n
121.98547815796
5 √n
46.670935507815
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
-221427996
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 221427997 can be divided by 4 positive divisors.
The sum of these divisors (counting 221427997) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100101011100100011101
3
Ternary
120102122201002221
4
Quaternary
31030223210131
5
Quinary
423141143442
6
Senary
33545545341
8
Octal
1514534435
10
Decimal
221427997
12
Duodecimal
621a5251
16
Hexadecimal
d32b91d
20
Vigesimal
393i9jh
36
Base36
3ntyxp
md5
615fe773f30be270780c951b76ca3daf
sha1
9b123c568fa0335c85c54495f5e77abefe43f7ac
sha256
985099462303f8dc644e1ac6e8e413d4e8b3d1984749ce2552081171124e7393
sha512
a256268a2d78c13990246355eb3bd30413062de589bb58aa8b15722fdaa901bd3e0478dbc10a0fc6afee5492e56058e5501fa62c9d3584190472f7a4d227a5ec
ripemd-160
e0980ad1c8952888b5742304744985856b7923f7
Diameter
442855994
Circumference
1391273137.3486
Area
1.540334120415E+17
Volume
4.5476413199234E+25
Surface area
6.1613364816602E+17
Circumference
1391273137.3486
Perimeter
885711988
Area
49030357855432009
Diagonal
313146476.44651
Surface area
294182147132592054
Volume
1.0856693932122E+25
Space diagonal
383524541.02221
Perimeter
664283991
Area
2.1230767729723E+16
Altitude
191762270.5111
Surface area
2.1230767729723E+16
Volume
1.2794736501117E+24
Height
104382158.8155