221285238 is an even 9-digits composite number following 221285237
and preceding 221285239 . In scientific notation, it is written as 2.21285238 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 73630976 positive integers (up to 221285238) that are relatively prime to 221285238.
221285238 has 16 divisors, whose sum is 443355120
The reverse of 221285238 is 832582122
Previous prime number is 64817
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million two hundred eighty-five thousand two hundred thirty-eight
Scientific notation
2.21285238 × 10^8
Engineering notation
2.21285238 × 10^6
Prime Factorization
2 × 3 × 64817 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221285238
Product of the distinct prime numbers
The prime factorization of 221285238 is 2 × 3 × 64817 × 569.
Since it has a total of 4 prime factors.
3 , 8 , 100 , 63 , 244 , 915 , 8096 , 2657 , 26449 , 33874 , 199090 , 839812 , 3041603 , 8556991 , 18318701 , 372535 , 232363229 , 180558152 , 2872062188 , 1513978104
n×2
442570476
n×3
663855714
n×4
885140952
n×5
1106426190
n÷2
110642619
n÷3
73761746
n÷3
55321309.5
n÷5
44257047.6
n2
48967156556716644
n3
1.0835708892836E+25
n4
2.39778242125E+33
n5
5.3059385375852E+41
2 √n
14875.659245896
3 √n
604.8543583127
4 √n
121.96581179124
5 √n
46.664916020609
1 , 2 , 3 , 6 , 569 , 1138 , 1707 , 3414 , 64817 , 129634 , 194451 , 388902 , 36880873 , 73761746 , 110642619 , 221285238
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221285237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221285238 can be divided by 16 positive divisors.
The sum of these divisors (counting 221285238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100001000101101110110
3
Ternary
120102101110021120
4
Quaternary
31030020231312
5
Quinary
423122111423
6
Senary
33542524410
8
Octal
1514105566
10
Decimal
221285238
12
Duodecimal
62136706
16
Hexadecimal
d308b76
20
Vigesimal
3930d1i
36
Base36
3nqws6
md5
fd8698f9f0c5de6c0c0491ac9f70f171
sha1
f19a67716190529ff7d701842ba4665236bf2450
sha256
0dab4fa73c1e4aa033cd482cedafd749d104fefb669fa7cd9e29d002f4b9f8d3
sha512
fca2495874a411d54cf26c3511cf0fbc748b0e67b11af5d90afb6e8d675847081a8f6908f2b642e4d1a62886931b09f7b841d651e4122e5fadcbca573eb7c4a8
ripemd-160
36ba6447cb8e5a0a8fd6319a64d883addea87702
Diameter
442570476
Circumference
1390376156.0973
Area
1.5383485930576E+17
Volume
4.5388511272229E+25
Surface area
6.1533943722305E+17
Circumference
1390376156.0973
Perimeter
885140952
Area
48967156556716644
Diagonal
312944584.73256
Surface area
293802939340299864
Volume
1.0835708892836E+25
Space diagonal
383277275.18097
Perimeter
663855714
Area
2.1203400764603E+16
Altitude
191638637.59049
Surface area
2.1203400764603E+16
Volume
1.2770005395147E+24
Height
104314861.57752