221661568 is an even 9-digits composite number following 221661567
and preceding 221661569 . In scientific notation, it is written as 2.21661568 × 10^8.
The sum of its digits is 37. It has a total of 8 prime factors and 16 positive divisors.
There are 110830720 positive integers (up to 221661568) that are relatively prime to 221661568.
221661568 has 16 divisors, whose sum is 441591660
The reverse of 221661568 is 865166122
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million six hundred sixty-one thousand five hundred sixty-eight
Scientific notation
2.21661568 × 10^8
Engineering notation
2.21661568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 1731731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
3463462
Product of the distinct prime numbers
The prime factorization of 221661568 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1731731.
Since it has a total of 8 prime factors.
3 , 9 , 60 , 75 , 199 , 162 , 731 , 7113 , 55562 , 82895 , 44776 , 560411 , 9435235 , 5782673 , 55614215 , 17171156 , 387570254 , 621220236 , 3578867207 , 2067719029
n×2
443323136
n×3
664984704
n×4
886646272
n×5
1108307840
n÷2
110830784
n÷3
73887189.333333
n÷3
55415392
n÷5
44332313.6
n2
49133850728218624
n3
1.0891086394295E+25
n4
2.4141352873829E+33
n5
5.3512101316542E+41
2 √n
14888.303059785
3 √n
605.19704712366
4 √n
122.01763421647
5 √n
46.680777425388
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 1731731 , 3463462 , 6926924 , 13853848 , 27707696 , 55415392 , 110830784 , 221661568
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
-221661567
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 221661568 can be divided by 16 positive divisors.
The sum of these divisors (counting 221661568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101100100100110000000
3
Ternary
120110002120111201
4
Quaternary
31031210212000
5
Quinary
423221132233
6
Senary
33554550544
8
Octal
1515444600
10
Decimal
221661568
12
Duodecimal
62298454
16
Hexadecimal
d364980
20
Vigesimal
3957di8
36
Base36
3nyz5s
md5
c23a3e9e7e40fe7dfdd766b9a2e43e97
sha1
cf283c8ed229b2266bc938e6aad380bf9c4863d8
sha256
4467ab6fdbde64983b09c100b2db1f2884d644ef8fac92d96d0292dfb22e4aad
sha512
17fafd1ac47759c75cd6a5ec582a16e73f600d1c9e1d55c65d27db2e2f0e3a782459f437aeb4d4d4bb9aefe0c5cdf3c7db98b2f6e268e220bb00939e801bbde4
ripemd-160
babeeb6adb2f7c7967cfe2879fc4607add6a4a5d
Diameter
443323136
Circumference
1392740707.224
Area
1.5435854449035E+17
Volume
4.5620476007905E+25
Surface area
6.174341779614E+17
Circumference
1392740707.224
Perimeter
886646272
Area
49133850728218624
Diagonal
313476795.72249
Surface area
294803104369311744
Volume
1.0891086394295E+25
Space diagonal
383929097.86138
Perimeter
664984704
Area
2.1275581458195E+16
Altitude
191964548.93069
Surface area
2.1275581458195E+16
Volume
1.2835268406491E+24
Height
104492265.24083