221738981 is an odd 9-digits prime number following 221738980
and preceding 221738982 . In scientific notation, it is written as 2.21738981 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 221738980 positive integers (up to 221738981) that are relatively prime to 221738981.
221738981 has 2 divisors, whose sum is 221738982
The reverse of 221738981 is 189837122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million seven hundred thirty-eight thousand nine hundred eighty-one
Scientific notation
2.21738981 × 10^8
Engineering notation
2.21738981 × 10^6
Prime Factorization
221738981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221738981
Product of the distinct prime numbers
The prime factorization of 221738981 is 221738981.
Since it has a total of 1 prime factors.
5 , 3 , 55 , 69 , 594 , 667 , 7580 , 4652 , 85974 , 51526 , 486484 , 19168 , 2944476 , 820331 , 38785744 , 80956444 , 551867388 , 646719506 , 8405895500 , 4203084316
n×2
443477962
n×3
665216943
n×4
886955924
n×5
1108694905
n÷2
110869490.5
n÷3
73912993.666667
n÷3
55434745.25
n÷5
44347796.2
n2
49168175694918361
n3
1.090250117622E+25
n4
2.4175095011664E+33
n5
5.3605609334645E+41
2 √n
14890.902625429
3 √n
605.2674918509
4 √n
122.02828616935
5 √n
46.684037525317
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221738982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110869491
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14890.902659006
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909804
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221738981 can be divided by 2 positive divisors.
The sum of these divisors (counting 221738981) is 221738982, the average is 110869491.
Base
System
Value
2
Binary
1101001101110111011111100101
3
Ternary
120110020111200212
4
Quaternary
31031313133211
5
Quinary
423231121411
6
Senary
34000345205
8
Octal
1515673745
10
Decimal
221738981
12
Duodecimal
62315205
16
Hexadecimal
d3777e5
20
Vigesimal
395h791
36
Base36
3o0mw5
md5
4a9335f8bde0ad2aab21b7c161755f43
sha1
97c0314502e194beff84c0214aad87c41136ade6
sha256
1e388949c8f8672c2f0ed2b3bf2b8e025725da9cc056bccf0ea8223baca305d5
sha512
807fb59d503e7681772364a1f7b93364b864c37aaab5feede9394402e6ca2ddaba036a3a423e7a646f0ff40dff41b22c7bcb482c5971bacc51244e2a64e97cb9
ripemd-160
344348c77984aad1181029828ad5f15373242e5f
Diameter
443477962
Circumference
1393227107.4482
Area
1.5446637955357E+17
Volume
4.5668290134623E+25
Surface area
6.1786551821427E+17
Circumference
1393227107.4482
Perimeter
886955924
Area
49168175694918361
Diagonal
313586274.23699
Surface area
295009054169510166
Volume
1.090250117622E+25
Space diagonal
384063181.11055
Perimeter
665216943
Area
2.1290444604768E+16
Altitude
192031590.55527
Surface area
2.1290444604768E+16
Volume
1.2848720855999E+24
Height
104528758.079