221423981 is an odd 9-digits composite number following 221423980
and preceding 221423982 . In scientific notation, it is written as 2.21423981 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 219354492 positive integers (up to 221423981) that are relatively prime to 221423981.
221423981 has 4 divisors, whose sum is 223493472
The reverse of 221423981 is 189324122
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million four hundred twenty-three thousand nine hundred eighty-one
Scientific notation
2.21423981 × 10^8
Engineering notation
2.21423981 × 10^6
Prime Factorization
107 × 2069383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221423981
Product of the distinct prime numbers
The prime factorization of 221423981 is 107 × 2069383.
Since it has a total of 2 prime factors.
1 , 1 , 6 , 5 , 495 , 730 , 3932 , 1866 , 38518 , 9123 , 228149 , 442575 , 3552867 , 4908435 , 79596212 , 60945778 , 62194521 , 150415143 , 4815341551 , 6557926488
n×2
442847962
n×3
664271943
n×4
885695924
n×5
1107119905
n÷2
110711990.5
n÷3
73807993.666667
n÷3
55355995.25
n÷5
44284796.2
n2
49028579361888361
n3
1.0856103225084E+25
n4
2.403801594245E+33
n5
5.3225931853187E+41
2 √n
14880.321938722
3 √n
604.98074387178
4 √n
121.984925047
5 √n
46.670766214104
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221423980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221423981 can be divided by 4 positive divisors.
The sum of these divisors (counting 221423981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100101010100101101101
3
Ternary
120102122111121012
4
Quaternary
31030222211231
5
Quinary
423141031411
6
Senary
33545515005
8
Octal
1514524555
10
Decimal
221423981
12
Duodecimal
621a2a65
16
Hexadecimal
d32a96d
20
Vigesimal
393hjj1
36
Base36
3ntvu5
md5
0ae2a6d9dccea28525f88dc52ffc3585
sha1
e013b0b5432094bce5ed9c7cdcaf7705bd0c15ba
sha256
896a77ccc00f5d1d105102b949eecfc6387ce8e53dedc52e33c6c5534c6019f0
sha512
1241be601b1910caaedbfb558428258d91a59d5a75f46593abe9bda21c44d3572ed8a1432429ffba0333d99e0a3b217f815a7213bfc6f4e5f90739e3e75eae4a
ripemd-160
bb82e3f314e6d85296dc148b9f14af57ef6ab91e
Diameter
442847962
Circumference
1391247904.0764
Area
1.5402782473925E+17
Volume
4.5473938851381E+25
Surface area
6.1611129895701E+17
Circumference
1391247904.0764
Perimeter
885695924
Area
49028579361888361
Diagonal
313140796.96484
Surface area
294171476171330166
Volume
1.0856103225084E+25
Space diagonal
383517585.10617
Perimeter
664271943
Area
2.1229997619428E+16
Altitude
191758792.55308
Surface area
2.1229997619428E+16
Volume
1.2794040346196E+24
Height
104380265.65495