221288388 is an even 9-digits composite number following 221288387
and preceding 221288389 . In scientific notation, it is written as 2.21288388 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 69423744 positive integers (up to 221288388) that are relatively prime to 221288388.
221288388 has 24 divisors, whose sum is 546712992
The reverse of 221288388 is 883882122
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million two hundred eighty-eight thousand three hundred eighty-eight
Scientific notation
2.21288388 × 10^8
Engineering notation
2.21288388 × 10^6
Prime Factorization
2 × 2 × 3 × 17 × 1084747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
110644194
Product of the distinct prime numbers
The prime factorization of 221288388 is 2 × 2 × 3 × 17 × 1084747.
Since it has a total of 5 prime factors.
2 , 1 , 40 , 14 , 111 , 207 , 3093 , 5654 , 53153 , 36915 , 767838 , 401045 , 7105664 , 7942442 , 94220567 , 79327298 , 434723111 , 392581267 , 7972653821 , 741828683
n×2
442576776
n×3
663865164
n×4
885153552
n×5
1106441940
n÷2
110644194
n÷3
73762796
n÷3
55322097
n÷5
44257677.6
n2
48968550663638544
n3
1.0836171639053E+25
n4
2.3979189540973E+33
n5
5.3063161990685E+41
2 √n
14875.765123179
3 √n
604.85722833723
4 √n
121.96624583539
5 √n
46.665048875064
1 , 2 , 3 , 4 , 6 , 12 , 17 , 34 , 51 , 68 , 102 , 204 , 1084747 , 2169494 , 3254241 , 4338988 , 6508482 , 13016964 , 18440699 , 36881398 , 55322097 , 73762796 , 110644194 , 221288388
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221288387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221288388 can be divided by 24 positive divisors.
The sum of these divisors (counting 221288388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001100001001011111000100
3
Ternary
120102101121121020
4
Quaternary
31030021133010
5
Quinary
423122212023
6
Senary
33542551140
8
Octal
1514113704
10
Decimal
221288388
12
Duodecimal
621384b0
16
Hexadecimal
d3097c4
20
Vigesimal
39310j8
36
Base36
3nqz7o
md5
e4f4cc37e91525ff2c82e464004d0ac9
sha1
3978f8641d27d3f4d4c22878425ffec30a8cd630
sha256
e17038aaca60050c8faf4c09f55aa035dfe8670775661dd146f0e42addee892f
sha512
5fec05ea2d277f694fed108b585429201b95f4c321619b0a6ec526009861b7fd46148950f24e273098de485ced2cd69f4061052c458d1b0b1e0ce29a99c96983
ripemd-160
c38fc90d36c8b04c002f739bdaecc6bedda2b674
Diameter
442576776
Circumference
1390395948.1311
Area
1.5383923902183E+17
Volume
4.5390449619049E+25
Surface area
6.1535695608731E+17
Circumference
1390395948.1311
Perimeter
885153552
Area
48968550663638544
Diagonal
312949039.50528
Surface area
293811303981831264
Volume
1.0836171639053E+25
Space diagonal
383282731.14102
Perimeter
663865164
Area
2.1204004430608E+16
Altitude
191641365.57051
Surface area
2.1204004430608E+16
Volume
1.2770550746793E+24
Height
104316346.50176