221219981 is an odd 9-digits composite number following 221219980
and preceding 221219982 . In scientific notation, it is written as 2.21219981 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 219957760 positive integers (up to 221219981) that are relatively prime to 221219981.
221219981 has 8 divisors, whose sum is 222486264
The reverse of 221219981 is 189912122
Previous prime number is 857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million two hundred nineteen thousand nine hundred eighty-one
Scientific notation
2.21219981 × 10^8
Engineering notation
2.21219981 × 10^6
Prime Factorization
881 × 857 × 293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221219981
Product of the distinct prime numbers
The prime factorization of 221219981 is 881 × 857 × 293.
Since it has a total of 3 prime factors.
4 , 8 , 12 , 83 , 873 , 236 , 8893 , 497 , 16726 , 44759 , 196167 , 395784 , 3060340 , 6670399 , 22195606 , 62918106 , 395232339 , 772435378 , 5496606116 , 6504109072
n×2
442439962
n×3
663659943
n×4
884879924
n×5
1106099905
n÷2
110609990.5
n÷3
73739993.666667
n÷3
55304995.25
n÷5
44243996.2
n2
48938279993640361
n3
1.0826125370366E+25
n4
2.3949552487359E+33
n5
5.2981195462121E+41
2 √n
14873.465668767
3 √n
604.79489529888
4 √n
121.9568188695
5 √n
46.662163399847
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
-221219980
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 221219981 can be divided by 8 positive divisors.
The sum of these divisors (counting 221219981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011111000110010001101
3
Ternary
120102021010202122
4
Quaternary
31023320302031
5
Quinary
423113014411
6
Senary
33541302325
8
Octal
1513706215
10
Decimal
221219981
12
Duodecimal
621049a5
16
Hexadecimal
d2f8c8d
20
Vigesimal
392c9j1
36
Base36
3npifh
md5
c2826cc40b47771c9ec1981b2515a05a
sha1
8efb7db4f9afaa00e353b440f5572f64f664820b
sha256
aaaf58d56432e73af4cb9cc4ec75416f9af31486d6ec51fc488c2ded2c861200
sha512
f61a72fc54af8abdbe9d7a352d8b4d174cc476c2026fcde550551c5dd92fd3575d12c04ba0781b0c8395b6146d42fd688294d6efaf4e0b6c2a7b8d741b4fa79f
ripemd-160
a8d2310c9538514479b6100af118c90dee8c359d
Diameter
442439962
Circumference
1389966134.2737
Area
1.5374414090734E+17
Volume
4.5348367907178E+25
Surface area
6.1497656362936E+17
Circumference
1389966134.2737
Perimeter
884879924
Area
48938279993640361
Diagonal
312852297.39812
Surface area
293629679961842166
Volume
1.0826125370366E+25
Space diagonal
383164246.74142
Perimeter
663659943
Area
2.1190896846004E+16
Altitude
191582123.37071
Surface area
2.1190896846004E+16
Volume
1.2758711105602E+24
Height
104284099.13271