221821939 is an odd 9-digits composite number following 221821938
and preceding 221821940 . In scientific notation, it is written as 2.21821939 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 221689224 positive integers (up to 221821939) that are relatively prime to 221821939.
221821939 has 4 divisors, whose sum is 221954656
The reverse of 221821939 is 939128122
Previous prime number is 1693
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million eight hundred twenty-one thousand nine hundred thirty-nine
Scientific notation
2.21821939 × 10^8
Engineering notation
2.21821939 × 10^6
Prime Factorization
1693 × 131023
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221821939
Product of the distinct prime numbers
The prime factorization of 221821939 is 1693 × 131023.
Since it has a total of 2 prime factors.
2 , 5 , 64 , 9 , 502 , 234 , 4297 , 3295 , 40138 , 80157 , 229868 , 771395 , 9769428 , 7196175 , 65819941 , 35474622 , 323479141 , 73794713 , 1729363681 , 6101466478
n×2
443643878
n×3
665465817
n×4
887287756
n×5
1109109695
n÷2
110910969.5
n÷3
73940646.333333
n÷3
55455484.75
n÷5
44364387.8
n2
49204972621719721
n3
1.0914742435392E+25
n4
2.4211293307042E+33
n5
5.3705960270658E+41
2 √n
14893.687891184
3 √n
605.3429642522
4 √n
122.03969801333
5 √n
46.687530131742
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
-221821938
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 221821939 can be divided by 4 positive divisors.
The sum of these divisors (counting 221821939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001110001011101111110011
3
Ternary
120110101201111101
4
Quaternary
31032023233303
5
Quinary
423241300224
6
Senary
34002225231
8
Octal
1516135763
10
Decimal
221821939
12
Duodecimal
62355217
16
Hexadecimal
d38bbf3
20
Vigesimal
3967egj
36
Base36
3o2ewj
md5
369a154337a2aeb0571ccdfaab50153f
sha1
2d2bf26627a630b0164ab2a48e95b9b82d41e36e
sha256
4d5bcbb4b72304edf61679bd10f8b3f3bb4237b1f186c60bf4c3971861210c88
sha512
4df0abb9a302a7362da8062c4d046d968d001444c1a83cf4fcff3350bc8828df525d20da5e923c8483c8c335b7950b21c04dd96b826e0a04737f814b22702aca
ripemd-160
17056ae287cee1d01dd22952d642efb3414b0092
Diameter
443643878
Circumference
1393748347.9349
Area
1.5458198050848E+17
Volume
4.5719566201135E+25
Surface area
6.1832792203393E+17
Circumference
1393748347.9349
Perimeter
887287756
Area
49204972621719721
Diagonal
313703594.5657
Surface area
295229835730318326
Volume
1.0914742435392E+25
Space diagonal
384206868.58144
Perimeter
665465817
Area
2.1306378141464E+16
Altitude
192103434.29072
Surface area
2.1306378141464E+16
Volume
1.2863147318284E+24
Height
104567864.85523