221639243 is an odd 9-digits composite number following 221639242
and preceding 221639244 . In scientific notation, it is written as 2.21639243 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 179565120 positive integers (up to 221639243) that are relatively prime to 221639243.
221639243 has 16 divisors, whose sum is 267565056
The reverse of 221639243 is 342936122
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million six hundred thirty-nine thousand two hundred forty-three
Scientific notation
2.21639243 × 10^8
Engineering notation
2.21639243 × 10^6
Prime Factorization
7 × 31 × 43 × 23753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221639243
Product of the distinct prime numbers
The prime factorization of 221639243 is 7 × 31 × 43 × 23753.
Since it has a total of 4 prime factors.
2 , 2 , 30 , 65 , 426 , 733 , 8493 , 8033 , 63369 , 21421 , 373210 , 595676 , 7554301 , 249569 , 16857870 , 27040343 , 310680771 , 384564641 , 6531957792 , 9994367642
n×2
443278486
n×3
664917729
n×4
886556972
n×5
1108196215
n÷2
110819621.5
n÷3
73879747.666667
n÷3
55409810.75
n÷5
44327848.6
n2
49123954037613049
n3
1.0887795986063E+25
n4
2.4131628602895E+33
n5
5.3485158959028E+41
2 √n
14887.553291256
3 √n
605.17672864473
4 √n
122.01456180004
5 √n
46.679837081645
1 , 7 , 31 , 43 , 217 , 301 , 1333 , 9331 , 23753 , 166271 , 736343 , 1021379 , 5154401 , 7149653 , 31662749 , 221639243
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
-221639242
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 221639243 can be divided by 16 positive divisors.
The sum of these divisors (counting 221639243) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101011111001001001011
3
Ternary
120110001102212212
4
Quaternary
31031133021023
5
Quinary
423214423433
6
Senary
33554255335
8
Octal
1515371113
10
Decimal
221639243
12
Duodecimal
6228754b
16
Hexadecimal
d35f24b
20
Vigesimal
3954i23
36
Base36
3nyhxn
md5
1c35ce7a484320a9943c8d84cc14e0e4
sha1
b8bc58b58d9725cce9123edfa87cbbd80f64fa2d
sha256
0b0869427de34f4bc7bc57756e71a5430cbbc745cf6e6b49bffe3699cc7cebc2
sha512
eba006187d448314b4431434ac0da0f966d3efb224aaefc03ab5409251847e8784565f2879850c3dcbf9e200ccb9b817a0df11adfd93fa0e983d9348b48fedf5
ripemd-160
5541e81f80a1cdd55064a0368b6985734ff4b617
Diameter
443278486
Circumference
1392600435.112
Area
1.5432745311985E+17
Volume
4.5606693178135E+25
Surface area
6.1730981247939E+17
Circumference
1392600435.112
Perimeter
886556972
Area
49123954037613049
Diagonal
313445223.40471
Surface area
294743724225678294
Volume
1.0887795986063E+25
Space diagonal
383890429.8271
Perimeter
664917729
Area
2.1271296065456E+16
Altitude
191945214.91355
Surface area
2.1271296065456E+16
Volume
1.2831390623202E+24
Height
104481741.1349