221388369 is an odd 9-digits composite number following 221388368
and preceding 221388370 . In scientific notation, it is written as 2.21388369 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 146651856 positive integers (up to 221388369) that are relatively prime to 221388369.
221388369 has 8 divisors, whose sum is 297065280
The reverse of 221388369 is 963883122
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million three hundred eighty-eight thousand three hundred sixty-nine
Scientific notation
2.21388369 × 10^8
Engineering notation
2.21388369 × 10^6
Prime Factorization
3 × 157 × 470039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221388369
Product of the distinct prime numbers
The prime factorization of 221388369 is 3 × 157 × 470039.
Since it has a total of 3 prime factors.
2 , 4 , 61 , 18 , 198 , 881 , 9599 , 933 , 14113 , 94592 , 27802 , 858579 , 5284304 , 3591906 , 39658232 , 70229556 , 951279669 , 797014717 , 160044634 , 474519053
n×2
442776738
n×3
664165107
n×4
885553476
n×5
1106941845
n÷2
110694184.5
n÷3
73796123
n÷3
55347092.25
n÷5
44277673.8
n2
49012809928480161
n3
1.0850866050173E+25
n4
2.4022555370853E+33
n5
5.3183143527654E+41
2 √n
14879.125276709
3 √n
604.94830876806
4 √n
121.98001998979
5 √n
46.669264889584
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
-221388368
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 221388369 can be divided by 8 positive divisors.
The sum of these divisors (counting 221388369) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100100001111001010001
3
Ternary
120102120200202020
4
Quaternary
31030201321101
5
Quinary
423133411434
6
Senary
33545042053
8
Octal
1514417121
10
Decimal
221388369
12
Duodecimal
62186329
16
Hexadecimal
d321e51
20
Vigesimal
393dai9
36
Base36
3nt4cx
md5
bf7c1eb629ba5ca5e0def93a39694ddc
sha1
a9c7aee28e2da0d1cc940e7dc4db1e95977b084c
sha256
0604872589239e01608d8582725a7e6f7abae5a339ffcc52c9587fb60cf9a3d1
sha512
fdfd824e387f2007bff8b1eb0578878b68983587f798d4ce2e1307a452c7cf42adc348cfdd29589b6f4cb176eac0ac36f233cf64ee0dfd3af831e3fb50c1aeb3
ripemd-160
8c7a5046fdc6f2ab6149910b48e6dbd600ee631e
Diameter
442776738
Circumference
1391024147.2813
Area
1.5397828360311E+17
Volume
4.5452001424415E+25
Surface area
6.1591313441242E+17
Circumference
1391024147.2813
Perimeter
885553476
Area
49012809928480161
Diagonal
313090433.99146
Surface area
294076859570880966
Volume
1.0850866050173E+25
Space diagonal
383455903.31281
Perimeter
664165107
Area
2.1223169254461E+16
Altitude
191727951.6564
Surface area
2.1223169254461E+16
Volume
1.2787868276374E+24
Height
104363477.99715