221657008 is an even 9-digits composite number following 221657007
and preceding 221657009 . In scientific notation, it is written as 2.21657008 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 110712960 positive integers (up to 221657008) that are relatively prime to 221657008.
221657008 has 20 divisors, whose sum is 429908248
The reverse of 221657008 is 800756122
Previous prime number is 1033
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred twenty-one million six hundred fifty-seven thousand eight
Scientific notation
2.21657008 × 10^8
Engineering notation
2.21657008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1033 × 13411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
27707126
Product of the distinct prime numbers
The prime factorization of 221657008 is 2 × 2 × 2 × 2 × 1033 × 13411.
Since it has a total of 6 prime factors.
3 , 6 , 43 , 20 , 547 , 905 , 5999 , 9456 , 61311 , 79667 , 115140 , 341785 , 7664994 , 7080960 , 12687322 , 1768008 , 708648113 , 864683184 , 6648792607 , 3923691843
n×2
443314016
n×3
664971024
n×4
886628032
n×5
1108285040
n÷2
110828504
n÷3
73885669.333333
n÷3
55414252
n÷5
44331401.6
n2
49131829195512064
n3
1.0890414257044E+25
n4
2.413936640097E+33
n5
5.3506597314547E+41
2 √n
14888.149918643
3 √n
605.19289707713
4 √n
122.01700667794
5 √n
46.680585361334
1 , 2 , 4 , 8 , 16 , 1033 , 2066 , 4132 , 8264 , 13411 , 16528 , 26822 , 53644 , 107288 , 214576 , 13853563 , 27707126 , 55414252 , 110828504 , 221657008
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
-221657007
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 221657008 can be divided by 20 positive divisors.
The sum of these divisors (counting 221657008) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101001101100011011110110000
3
Ternary
120110002100020211
4
Quaternary
31031203132300
5
Quinary
423221011013
6
Senary
33554513504
8
Octal
1515433660
10
Decimal
221657008
12
Duodecimal
62295894
16
Hexadecimal
d3637b0
20
Vigesimal
39572a8
36
Base36
3nyvn4
md5
84f9418132f8d481a6fcd25192562791
sha1
a0faf1def48504bec9d46ac73a9f430cf83fb423
sha256
05409db0228fe49a274a68aa679332224b1cb7ced02c15b1f10109c81d024434
sha512
4c7e3a7644f064b85536ec916c287e8ee14227487613950b84247d216c94876354991b1f3c412b666b9390bcc4d280cb1641141d6890b2b2dfc4cd169ee677eb
ripemd-160
7c0787f92d98c82a5ec3fa5b04e6b7179ff83843
Diameter
443314016
Circumference
1392712055.899
Area
1.5435219365805E+17
Volume
4.5617660565973E+25
Surface area
6.174087746322E+17
Circumference
1392712055.899
Perimeter
886628032
Area
49131829195512064
Diagonal
313470346.90864
Surface area
294790975173072384
Volume
1.0890414257044E+25
Space diagonal
383921199.7097
Perimeter
664971024
Area
2.1274706108856E+16
Altitude
191960599.85485
Surface area
2.1274706108856E+16
Volume
1.2834476285144E+24
Height
104490115.63621