221388368 is an even 9-digits composite number following 221388367
and preceding 221388369 . In scientific notation, it is written as 2.21388368 × 10^8.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 109041504 positive integers (up to 221388368) that are relatively prime to 221388368.
221388368 has 20 divisors, whose sum is 435344160
The reverse of 221388368 is 863883122
Previous prime number is 67
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million three hundred eighty-eight thousand three hundred sixty-eight
Scientific notation
2.21388368 × 10^8
Engineering notation
2.21388368 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 67 × 206519
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
27673546
Product of the distinct prime numbers
The prime factorization of 221388368 is 2 × 2 × 2 × 2 × 67 × 206519.
Since it has a total of 6 prime factors.
6 , 10 , 71 , 7 , 439 , 472 , 4170 , 5326 , 84205 , 95634 , 673779 , 387089 , 7510790 , 4458076 , 4882325 , 85907674 , 707017834 , 714980315 , 2144879823 , 454860516
n×2
442776736
n×3
664165104
n×4
885553472
n×5
1106941840
n÷2
110694184
n÷3
73796122.666667
n÷3
55347092
n÷5
44277673.6
n2
49012809485703424
n3
1.0850865903135E+25
n4
2.4022554936819E+33
n5
5.3183142326526E+41
2 √n
14879.125243105
3 √n
604.94830785722
4 √n
121.98001985204
5 √n
46.669264847423
1 , 2 , 4 , 8 , 16 , 67 , 134 , 268 , 536 , 1072 , 206519 , 413038 , 826076 , 1652152 , 3304304 , 13836773 , 27673546 , 55347092 , 110694184 , 221388368
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221388367
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221388368 can be divided by 20 positive divisors.
The sum of these divisors (counting 221388368) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101001100100001111001010000
3
Ternary
120102120200202012
4
Quaternary
31030201321100
5
Quinary
423133411433
6
Senary
33545042052
8
Octal
1514417120
10
Decimal
221388368
12
Duodecimal
62186328
16
Hexadecimal
d321e50
20
Vigesimal
393dai8
36
Base36
3nt4cw
md5
7a865af93c6230f3f0beda0949e61749
sha1
e22753b14018c732849627582198b5e4260fa6ac
sha256
d7ad0389db32dfbaf384355b98247fb08cf1cf9025262ef7e61c5a5cea967c1d
sha512
6c10044ff0d21bccf6c66344427beb6d4c7333fcdcfc602f7b6152ba48a7f6ec5e775a07e6329909fcc6e7e93ee2c244804084f7958a0189a7ec74a2fdb88f9c
ripemd-160
0aacdcb1df8ac4d7b6a69dac2c1934bd3d39ea62
Diameter
442776736
Circumference
1391024140.9981
Area
1.5397828221208E+17
Volume
4.5452000808502E+25
Surface area
6.1591312884833E+17
Circumference
1391024140.9981
Perimeter
885553472
Area
49012809485703424
Diagonal
313090432.57725
Surface area
294076856914220544
Volume
1.0850865903135E+25
Space diagonal
383455901.58076
Perimeter
664165104
Area
2.1223169062733E+16
Altitude
191727950.79038
Surface area
2.1223169062733E+16
Volume
1.2787868103088E+24
Height
104363477.52575