221278481 is an odd 9-digits prime number following 221278480
and preceding 221278482 . In scientific notation, it is written as 2.21278481 × 10^8.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 221278480 positive integers (up to 221278481) that are relatively prime to 221278481.
221278481 has 2 divisors, whose sum is 221278482
The reverse of 221278481 is 184872122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million two hundred seventy-eight thousand four hundred eighty-one
Scientific notation
2.21278481 × 10^8
Engineering notation
2.21278481 × 10^6
Prime Factorization
221278481
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221278481
Product of the distinct prime numbers
The prime factorization of 221278481 is 221278481.
Since it has a total of 1 prime factors.
9 , 10 , 68 , 54 , 917 , 598 , 5623 , 4685 , 57697 , 92757 , 340658 , 911519 , 2465693 , 9487231 , 46997340 , 4757537 , 315725854 , 866850837 , 5623882997 , 5398049073
n×2
442556962
n×3
663835443
n×4
885113924
n×5
1106392405
n÷2
110639240.5
n÷3
73759493.666667
n÷3
55319620.25
n÷5
44255696.2
n2
48964166153667361
n3
1.0834716309915E+25
n4
2.3974895671239E+33
n5
5.3051284962653E+41
2 √n
14875.432128177
3 √n
604.84820179041
4 √n
121.96488071645
5 √n
46.664631032155
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221278482
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110639241
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14875.432161789
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909616
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221278481 can be divided by 2 positive divisors.
The sum of these divisors (counting 221278481) is 221278482, the average is 110639241.
Base
System
Value
2
Binary
1101001100000111000100010001
3
Ternary
120102101010000022
4
Quaternary
31030013010101
5
Quinary
423121402411
6
Senary
33542433225
8
Octal
1514070421
10
Decimal
221278481
12
Duodecimal
62132815
16
Hexadecimal
d307111
20
Vigesimal
392jg41
36
Base36
3nqrkh
md5
c9c041cba362c312c294416f0563e0a3
sha1
8aebc44d44ecd8ca4790db8245c1237a04e699e4
sha256
6103b45df1ae0039d211406c8d8a787e6a0ca14edd9d17e54bcb5066f4fd7880
sha512
60585eedcdd9efca45abc433be5e021f09a8df8a5cb7293685418ee9d55a887fbe3aa883fecfb2596ab2e1ede29d43f4f35844aad1f179b387e0531dfd0f037f
ripemd-160
5ef6e4045d02904c41f8cea4deea6adc567792ad
Diameter
442556962
Circumference
1390333700.6142
Area
1.5382546467751E+17
Volume
4.5384353550612E+25
Surface area
6.1530185871005E+17
Circumference
1390333700.6142
Perimeter
885113924
Area
48964166153667361
Diagonal
312935028.89152
Surface area
293784996922004166
Volume
1.0834716309915E+25
Space diagonal
383265571.71366
Perimeter
663835443
Area
2.1202105882099E+16
Altitude
191632785.85683
Surface area
2.1202105882099E+16
Volume
1.2768835624956E+24
Height
104311676.29717