221338961 is an odd 9-digits composite number following 221338960
and preceding 221338962 . In scientific notation, it is written as 2.21338961 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 205562448 positive integers (up to 221338961) that are relatively prime to 221338961.
221338961 has 16 divisors, whose sum is 237619200
The reverse of 221338961 is 169833122
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million three hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
2.21338961 × 10^8
Engineering notation
2.21338961 × 10^6
Prime Factorization
79 × 167 × 19 × 883
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221338961
Product of the distinct prime numbers
The prime factorization of 221338961 is 79 × 167 × 19 × 883.
Since it has a total of 4 prime factors.
4 , 6 , 56 , 60 , 820 , 404 , 8872 , 3920 , 3622 , 96435 , 775808 , 630183 , 7762617 , 4377076 , 65585050 , 78558443 , 867248571 , 360824572 , 5495583989 , 7916403342
n×2
442677922
n×3
664016883
n×4
885355844
n×5
1106694805
n÷2
110669480.5
n÷3
73779653.666667
n÷3
55334740.25
n÷5
44267792.2
n2
48990935656559521
n3
1.0843602796641E+25
n4
2.4001117765052E+33
n5
5.3123824689552E+41
2 √n
14877.464871409
3 √n
604.90330262501
4 √n
121.97321374551
5 √n
46.667181635691
1 , 19 , 79 , 167 , 883 , 1501 , 3173 , 13193 , 16777 , 69757 , 147461 , 250667 , 1325383 , 2801759 , 11649419 , 221338961
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221338960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221338961 can be divided by 16 positive divisors.
The sum of these divisors (counting 221338961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100010101110101010001
3
Ternary
120102111011222022
4
Quaternary
31030111311101
5
Quinary
423130321321
6
Senary
33544021225
8
Octal
1514256521
10
Decimal
221338961
12
Duodecimal
62161815
16
Hexadecimal
d315d51
20
Vigesimal
3937781
36
Base36
3ns28h
md5
ecc5f0b101381229aec727302e91c00c
sha1
2849964d711a41bff63116f84fe71abc1b186891
sha256
b1e8e438ab8d21514029bbe4bfe4359757954214ea47fb3b26034becab25a77f
sha512
ac06a7bfae5ea499e3b1f2de3c853d400d9300221290832c3be1e9ec4ae59cf65940aa686dde355c47e38ccdb50c2230f39c6363d6e25f73ab115c56e4b1bd51
ripemd-160
1ad8391269c7ca7570619bc6468b41f91a51beac
Diameter
442677922
Circumference
1390713707.6616
Area
1.5390956355114E+17
Volume
4.5421577179163E+25
Surface area
6.1563825420455E+17
Circumference
1390713707.6616
Perimeter
885355844
Area
48990935656559521
Diagonal
313020560.52777
Surface area
293945613939357126
Volume
1.0843602796641E+25
Space diagonal
383370326.14651
Perimeter
664016883
Area
2.1213697416875E+16
Altitude
191685163.07325
Surface area
2.1213697416875E+16
Volume
1.2779308449997E+24
Height
104340186.84259