221821940 is an even 9-digits composite number following 221821939
and preceding 221821941 . In scientific notation, it is written as 2.21821940 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 88728768 positive integers (up to 221821940) that are relatively prime to 221821940.
221821940 has 12 divisors, whose sum is 465826116
The reverse of 221821940 is 049128122
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred twenty-one million eight hundred twenty-one thousand nine hundred forty
Scientific notation
2.21821940 × 10^8
Engineering notation
2.21821940 × 10^6
Prime Factorization
2 × 2 × 5 × 11091097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110910970
Product of the distinct prime numbers
The prime factorization of 221821940 is 2 × 2 × 5 × 11091097.
Since it has a total of 4 prime factors.
6 , 3 , 94 , 26 , 928 , 979 , 2550 , 3918 , 25367 , 49019 , 12050 , 216232 , 5563025 , 4722324 , 70523561 , 23750209 , 727309617 , 175341659 , 9945191990 , 5590603921
n×2
443643880
n×3
665465820
n×4
887287760
n×5
1109109700
n÷2
110910970
n÷3
73940646.666667
n÷3
55455485
n÷5
44364388
n2
49204973065363600
n3
1.0914742583007E+25
n4
2.4211293743632E+33
n5
5.3705961481222E+41
2 √n
14893.687924755
3 √n
605.34296516185
4 √n
122.03969815087
5 √n
46.687530173837
1 , 2 , 4 , 5 , 10 , 20 , 11091097 , 22182194 , 44364388 , 55455485 , 110910970 , 221821940
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821940 can be divided by 12 positive divisors.
The sum of these divisors (counting 221821940) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001110001011101111110100
3
Ternary
120110101201111102
4
Quaternary
31032023233310
5
Quinary
423241300230
6
Senary
34002225232
8
Octal
1516135764
10
Decimal
221821940
12
Duodecimal
62355218
16
Hexadecimal
d38bbf4
20
Vigesimal
3967eh0
36
Base36
3o2ewk
md5
32c6fdf86a648e8391ce045a3881d96e
sha1
fb1aa55e84a4172148631555e5715766d12d6961
sha256
b22f44369ec8b89f273488726a38d24f145d5fbabcc42003efda754ec4e7cc6b
sha512
be5fac6e68f11ba3dde722891da97e6d8bb138b285e8e5fad555b3bfa32b105e477e74183a0b9e207e9d9be90b1725642d83ba0e343e02ef333e5f3dd2e1f3f3
ripemd-160
8cc5e59660e92f4c61071c98942d7832f95e6bd4
Diameter
443643880
Circumference
1393748354.2181
Area
1.5458198190223E+17
Volume
4.5719566819463E+25
Surface area
6.1832792760892E+17
Circumference
1393748354.2181
Perimeter
887287760
Area
49204973065363600
Diagonal
313703595.97991
Surface area
295229838392181600
Volume
1.0914742583007E+25
Space diagonal
384206870.3135
Perimeter
665465820
Area
2.1306378333567E+16
Altitude
192103435.15675
Surface area
2.1306378333567E+16
Volume
1.2863147492249E+24
Height
104567865.32664