221497805 is an odd 9-digits composite number following 221497804
and preceding 221497806 . In scientific notation, it is written as 2.21497805 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 177198240 positive integers (up to 221497805) that are relatively prime to 221497805.
221497805 has 4 divisors, whose sum is 265797372
The reverse of 221497805 is 508794122
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million four hundred ninety-seven thousand eight hundred five
Scientific notation
2.21497805 × 10^8
Engineering notation
2.21497805 × 10^6
Prime Factorization
5 × 44299561
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221497805
Product of the distinct prime numbers
The prime factorization of 221497805 is 5 × 44299561.
Since it has a total of 2 prime factors.
4 , 10 , 74 , 63 , 129 , 265 , 7822 , 4558 , 21146 , 97145 , 932535 , 170190 , 6381879 , 9552159 , 4063711 , 32918624 , 47278033 , 460970272 , 5960589070 , 2937594398
n×2
442995610
n×3
664493415
n×4
885991220
n×5
1107489025
n÷2
110748902.5
n÷3
73832601.666667
n÷3
55374451.25
n÷5
44299561
n2
49061277619818025
n3
1.0866965303285E+25
n4
2.4070089616889E+33
n5
5.3314720162941E+41
2 √n
14882.802323487
3 √n
605.04797106133
4 √n
121.99509139095
5 √n
46.673877858319
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
-221497804
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 221497805 can be divided by 4 positive divisors.
The sum of these divisors (counting 221497805) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100111100100111001101
3
Ternary
120102210020212102
4
Quaternary
31030330213031
5
Quinary
423200412210
6
Senary
33551244445
8
Octal
1514744715
10
Decimal
221497805
12
Duodecimal
62219725
16
Hexadecimal
d33c9cd
20
Vigesimal
39474a5
36
Base36
3nvgst
md5
992657e31651f5c927fcb5569febd3ac
sha1
70d1b818e0ff63a1a4e22ac8ae78016afa56e7a3
sha256
e6d6cec71ddadb2df955f42a061d3a7c406cac1e9cfc0a6806e71493dce8c7c5
sha512
37b1a422fe50ebb9b5c84ec695da1ca7c297c970031d5c421d28fa7a53b703962937cce0b44b50278a703597f062ab72c2534f2cc4448ef3bfb593260a7ed6d4
ripemd-160
c0533af6517684f39485b1790a28987d029aff84
Diameter
442995610
Circumference
1391711753.9485
Area
1.5413054934615E+17
Volume
4.5519437818155E+25
Surface area
6.165221973846E+17
Circumference
1391711753.9485
Perimeter
885991220
Area
49061277619818025
Diagonal
313245199.86687
Surface area
294367665718908150
Volume
1.0866965303285E+25
Space diagonal
383645452.02498
Perimeter
664493415
Area
2.1244156380442E+16
Altitude
191822726.01249
Surface area
2.1244156380442E+16
Volume
1.280684142812E+24
Height
104415066.62229