221395890 is an even 9-digits composite number following 221395889
and preceding 221395891 . In scientific notation, it is written as 2.21395890 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 58994624 positive integers (up to 221395890) that are relatively prime to 221395890.
221395890 has 32 divisors, whose sum is 531748800
The reverse of 221395890 is 098593122
Previous prime number is 2237
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred twenty-one million three hundred ninety-five thousand eight hundred ninety
Scientific notation
2.21395890 × 10^8
Engineering notation
2.21395890 × 10^6
Prime Factorization
2 × 3 × 5 × 2237 × 3299
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
221395890
Product of the distinct prime numbers
The prime factorization of 221395890 is 2 × 3 × 5 × 2237 × 3299.
Since it has a total of 5 prime factors.
7 , 3 , 55 , 95 , 9 , 447 , 2509 , 5243 , 63433 , 50528 , 806571 , 391767 , 3599356 , 678263 , 31425867 , 89839113 , 307378119 , 371069648 , 8163704237 , 2039358715
n×2
442791780
n×3
664187670
n×4
885583560
n×5
1106979450
n÷2
110697945
n÷3
73798630
n÷3
55348972.5
n÷5
44279178
n2
49016140108892100
n3
1.0851971963773E+25
n4
2.4025819911745E+33
n5
5.3192177823406E+41
2 √n
14879.378011194
3 √n
604.95515911997
4 √n
121.98105595212
5 √n
46.669581974689
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2237 , 3299 , 4474 , 6598 , 6711 , 9897 , 11185 , 13422 , 16495 , 19794 , 22370 , 32990 , 33555 , 49485 , 67110 , 98970 , 7379863 , 14759726 , 22139589 , 36899315 , 44279178 , 73798630 , 110697945 , 221395890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221395889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221395890 can be divided by 32 positive divisors.
The sum of these divisors (counting 221395890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101001100100011101110110010
3
Ternary
120102121002001210
4
Quaternary
31030203232302
5
Quinary
423134132030
6
Senary
33545140550
8
Octal
1514435662
10
Decimal
221395890
12
Duodecimal
6218a756
16
Hexadecimal
d323bb2
20
Vigesimal
393e9ea
36
Base36
3nta5u
md5
944a04270bc87bb86b9f367b46cc5d5d
sha1
4972b9bf25e38087ecd8532fca5d844c5f78c020
sha256
2385acfa2233ba2921be7b4e71036f0817e834a721bf3223b1955f1949d9f28f
sha512
d8f82b672d567de73d9c34c3220069330b14f15cb9128e2824677f76b76f08f38f18770d0ec510d7fce6c40cb32c9d3d143a67a70b0f2ac14f6084d57c28baaf
ripemd-160
0a207f678d9e51d3d35f53675c2f88e9544781c1
Diameter
442791780
Circumference
1391071403.1179
Area
1.5398874567342E+17
Volume
4.5456633864468E+25
Surface area
6.1595498269369E+17
Circumference
1391071403.1179
Perimeter
885583560
Area
49016140108892100
Diagonal
313101070.29166
Surface area
294096840653352600
Volume
1.0851971963773E+25
Space diagonal
383468930.06693
Perimeter
664187670
Area
2.1224611264879E+16
Altitude
191734465.03347
Surface area
2.1224611264879E+16
Volume
1.278917160805E+24
Height
104367023.43055