221219987 is an odd 9-digits composite number following 221219986
and preceding 221219988 . In scientific notation, it is written as 2.21219987 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 216478080 positive integers (up to 221219987) that are relatively prime to 221219987.
221219987 has 8 divisors, whose sum is 226011840
The reverse of 221219987 is 789912122
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million two hundred nineteen thousand nine hundred eighty-seven
Scientific notation
2.21219987 × 10^8
Engineering notation
2.21219987 × 10^6
Prime Factorization
79 × 113 × 24781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221219987
Product of the distinct prime numbers
The prime factorization of 221219987 is 79 × 113 × 24781.
Since it has a total of 3 prime factors.
3 , 7 , 46 , 49 , 118 , 314 , 9394 , 6121 , 53468 , 49719 , 164385 , 285965 , 9361265 , 4665203 , 94403430 , 91349180 , 596846673 , 280252129 , 9278363265 , 7665876092
n×2
442439974
n×3
663659961
n×4
884879948
n×5
1106099935
n÷2
110609993.5
n÷3
73739995.666667
n÷3
55304996.75
n÷5
44243997.4
n2
48938282648280169
n3
1.0826126251255E+25
n4
2.394955508563E+33
n5
5.2981202646988E+41
2 √n
14873.465870469
3 √n
604.7949007667
4 √n
121.95681969644
5 √n
46.662163652964
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221219986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221219987 can be divided by 8 positive divisors.
The sum of these divisors (counting 221219987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011111000110010010011
3
Ternary
120102021010202212
4
Quaternary
31023320302103
5
Quinary
423113014422
6
Senary
33541302335
8
Octal
1513706223
10
Decimal
221219987
12
Duodecimal
621049ab
16
Hexadecimal
d2f8c93
20
Vigesimal
392c9j7
36
Base36
3npifn
md5
c6cec61e3198dfe0c29e820983830ebe
sha1
0ae8ad55fad3f26ca242e9f2ab9f7cf9ed2e950f
sha256
834786ea3d7d11d10a0139cc9b91ed5c8b33fbc1734a7d5dd4549686a978cc25
sha512
893a063104ae8474566541726e7ef616f79111ae31fda21f1b31eb10baa04890d13cc6c76a9084419491d943b24d091ba9d6447c4859bc7c8638311b650357c1
ripemd-160
f53a94c470567f5a93ccda624b8b6130d0fc5086
Diameter
442439974
Circumference
1389966171.9729
Area
1.5374414924714E+17
Volume
4.5348371597037E+25
Surface area
6.1497659698855E+17
Circumference
1389966171.9729
Perimeter
884879948
Area
48938282648280169
Diagonal
312852305.8834
Surface area
293629695889681014
Volume
1.0826126251255E+25
Space diagonal
383164257.13373
Perimeter
663659961
Area
2.1190897995497E+16
Altitude
191582128.56686
Surface area
2.1190897995497E+16
Volume
1.275871214374E+24
Height
104284101.96113