221558921 is an odd 9-digits composite number following 221558920
and preceding 221558922 . In scientific notation, it is written as 2.21558921 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 217165312 positive integers (up to 221558921) that are relatively prime to 221558921.
221558921 has 8 divisors, whose sum is 225960840
The reverse of 221558921 is 129855122
Previous prime number is 1889
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million five hundred fifty-eight thousand nine hundred twenty-one
Scientific notation
2.21558921 × 10^8
Engineering notation
2.21558921 × 10^6
Prime Factorization
53 × 1889 × 2213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221558921
Product of the distinct prime numbers
The prime factorization of 221558921 is 53 × 1889 × 2213.
Since it has a total of 3 prime factors.
1 , 2 , 16 , 79 , 340 , 503 , 1897 , 2867 , 63673 , 22587 , 951065 , 298860 , 1281476 , 2418114 , 99176489 , 12676561 , 102814524 , 400657212 , 6612479755 , 4896701234
n×2
443117842
n×3
664676763
n×4
886235684
n×5
1107794605
n÷2
110779460.5
n÷3
73852973.666667
n÷3
55389730.25
n÷5
44311784.2
n2
49088355474684241
n3
1.0875963072635E+25
n4
2.409666643209E+33
n5
5.3388314143907E+41
2 √n
14884.855424222
3 √n
605.10361451914
4 √n
122.00350578661
5 √n
46.676453239093
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
-221558920
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 221558921 can be divided by 8 positive divisors.
The sum of these divisors (counting 221558921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101001011100010001001
3
Ternary
120102220100200222
4
Quaternary
31031023202021
5
Quinary
423204341141
6
Senary
33552435425
8
Octal
1515134211
10
Decimal
221558921
12
Duodecimal
62248b75
16
Hexadecimal
d34b889
20
Vigesimal
394eh61
36
Base36
3nwryh
md5
9d7c6b6d7f309e188e295d6c6dd134b5
sha1
affc38a7f4a6f25c3214f472e3e5aacff9f96492
sha256
032e2090a91a330c4339a510cfe49114600b68d5bdab5df446b6dee6e0b65131
sha512
0bf54bb57db13da44d144f875ad6d9827eca1fb4e7e1bed6f9a7e39a048b3b50f32c03ffea3de51fb0e3d9c250beb7d395cbc4fc44751e469ea4f40f96ca10ee
ripemd-160
97045557608e2dd90f4606d1c5611b582d30b095
Diameter
443117842
Circumference
1392095757.1018
Area
1.5421561693607E+17
Volume
4.5557127586274E+25
Surface area
6.1686246774429E+17
Circumference
1392095757.1018
Perimeter
886235684
Area
49088355474684241
Diagonal
313331630.94295
Surface area
294530132848105446
Volume
1.0875963072635E+25
Space diagonal
383751308.04214
Perimeter
664676763
Area
2.1255881435539E+16
Altitude
191875654.02107
Surface area
2.1255881435539E+16
Volume
1.2817445400992E+24
Height
104443876.98098