221568081 is an odd 9-digits composite number following 221568080
and preceding 221568082 . In scientific notation, it is written as 2.21568081 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 125186688 positive integers (up to 221568081) that are relatively prime to 221568081.
221568081 has 8 divisors, whose sum is 234729000
The reverse of 221568081 is 180865122
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million five hundred sixty-eight thousand eighty-one
Scientific notation
2.21568081 × 10^8
Engineering notation
2.21568081 × 10^6
Prime Factorization
21 × 89 × 118549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221568081
Product of the distinct prime numbers
The prime factorization of 221568081 is 21 × 89 × 118549.
Since it has a total of 3 prime factors.
8 , 7 , 44 , 70 , 836 , 749 , 8073 , 485 , 27262 , 13250 , 634097 , 169173 , 5662247 , 328807 , 75285143 , 39889280 , 128268420 , 936422141 , 1948572829 , 1766453436
n×2
443136162
n×3
664704243
n×4
886272324
n×5
1107840405
n÷2
110784040.5
n÷3
73856027
n÷3
55392020.25
n÷5
44313616.2
n2
49092414518022561
n3
1.0877312076415E+25
n4
2.4100651632094E+33
n5
5.3399351329725E+41
2 √n
14885.163116338
3 √n
605.11195341864
4 √n
122.00476677712
5 √n
46.676839185404
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221568080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221568081 can be divided by 8 positive divisors.
The sum of these divisors (counting 221568081) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101001101110001010001
3
Ternary
120102220211021020
4
Quaternary
31031031301101
5
Quinary
423210134311
6
Senary
33552550053
8
Octal
1515156121
10
Decimal
221568081
12
Duodecimal
62252329
16
Hexadecimal
d34dc51
20
Vigesimal
394g041
36
Base36
3nwz0x
md5
af52844cf85ff1bafc0cbe14a9df1ab9
sha1
95ff31b3ebb5e8a142a787a1add62faecbb8f3d1
sha256
53fdddd47fb4d3e69531bdf25b1774d2b15f4e24ce9825d83b02f07688189276
sha512
2f7495c21e72ace9a104281f9221dd77e2625aad0f00960c3025d90b0e547c72071cf8112e65e9a8ed99b76dc6ae4ad339d799fc04a36c9814896caa9fe359c4
ripemd-160
80d1272964a06f5d57f4d4f8e81bed08bceeb819
Diameter
443136162
Circumference
1392153311.0792
Area
1.542283687968E+17
Volume
4.5562778280091E+25
Surface area
6.1691347518722E+17
Circumference
1392153311.0792
Perimeter
886272324
Area
49092414518022561
Diagonal
313344585.13918
Surface area
294554487108135366
Volume
1.0877312076415E+25
Space diagonal
383767173.62754
Perimeter
664704243
Area
2.1257639052862E+16
Altitude
191883586.81377
Surface area
2.1257639052862E+16
Volume
1.2819035217192E+24
Height
104448195.04639