221513945 is an odd 9-digits composite number following 221513944
and preceding 221513946 . In scientific notation, it is written as 2.21513945 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 176474880 positive integers (up to 221513945) that are relatively prime to 221513945.
221513945 has 8 divisors, whose sum is 266921160
The reverse of 221513945 is 549315122
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million five hundred thirteen thousand nine hundred forty-five
Scientific notation
2.21513945 × 10^8
Engineering notation
2.21513945 × 10^6
Prime Factorization
5 × 241 × 183829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221513945
Product of the distinct prime numbers
The prime factorization of 221513945 is 5 × 241 × 183829.
Since it has a total of 3 prime factors.
5 , 8 , 4 , 66 , 176 , 208 , 757 , 5506 , 34806 , 48416 , 675313 , 862813 , 7749326 , 1439448 , 75353304 , 62460786 , 264289526 , 930616825 , 925196369 , 4875762503
n×2
443027890
n×3
664541835
n×4
886055780
n×5
1107569725
n÷2
110756972.5
n÷3
73837981.666667
n÷3
55378486.25
n÷5
44302789
n2
49068427829463025
n3
1.0869341023452E+25
n4
2.4077106096552E+33
n5
5.3334147556308E+41
2 √n
14883.344550201
3 √n
605.06266682331
4 √n
121.99731370076
5 √n
46.67455804062
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
-221513944
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 221513945 can be divided by 8 positive divisors.
The sum of these divisors (counting 221513945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101000000100011011001
3
Ternary
120102211002000012
4
Quaternary
31031000203121
5
Quinary
423201421240
6
Senary
33551451305
8
Octal
1515004331
10
Decimal
221513945
12
Duodecimal
62226b35
16
Hexadecimal
d3408d9
20
Vigesimal
39494h5
36
Base36
3nvt95
md5
5108e30213e9038f3a91700355e719e6
sha1
461ef5a9845c5aaae0e29be73bfa82633c9cb906
sha256
03ae4055f54cc46126406030133fbc6568682c0e27bad1f29749c2243b8c6d92
sha512
8c0d9b28553c5620eb3500ca47f6ba665f689fae1f27bdb81f00297f1b552b14c21ececbe60377349066f159689d4c18e07bbcb59d97f8ac2e76798e11de4465
ripemd-160
d0346dd5f876527d659832e803914a93359bea44
Diameter
443027890
Circumference
1391813164.5594
Area
1.5415301239224E+17
Volume
4.5529389211519E+25
Surface area
6.1661204956897E+17
Circumference
1391813164.5594
Perimeter
886055780
Area
49068427829463025
Diagonal
313268025.27377
Surface area
294410566976778150
Volume
1.0869341023452E+25
Space diagonal
383673407.32502
Perimeter
664541835
Area
2.1247252512039E+16
Altitude
191836703.66251
Surface area
2.1247252512039E+16
Volume
1.2809641241187E+24
Height
104422675.09126