221288387 is an odd 9-digits composite number following 221288386
and preceding 221288388 . In scientific notation, it is written as 2.21288387 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 221252856 positive integers (up to 221288387) that are relatively prime to 221288387.
221288387 has 4 divisors, whose sum is 221323920
The reverse of 221288387 is 783882122
Previous prime number is 27479
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million two hundred eighty-eight thousand three hundred eighty-seven
Scientific notation
2.21288387 × 10^8
Engineering notation
2.21288387 × 10^6
Prime Factorization
27479 × 8053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221288387
Product of the distinct prime numbers
The prime factorization of 221288387 is 27479 × 8053.
Since it has a total of 2 prime factors.
4 , 7 , 90 , 97 , 213 , 178 , 8210 , 4213 , 78536 , 92858 , 798464 , 493373 , 1707841 , 8231639 , 44814197 , 32007872 , 116783392 , 356360137 , 7169703396 , 642874833
n×2
442576774
n×3
663865161
n×4
885153548
n×5
1106441935
n÷2
110644193.5
n÷3
73762795.666667
n÷3
55322096.75
n÷5
44257677.4
n2
48968550221061769
n3
1.0836171492147E+25
n4
2.3979189107526E+33
n5
5.3063160791725E+41
2 √n
14875.765089568
3 √n
604.85722742612
4 √n
121.9662456976
5 √n
46.665048832888
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221288386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221288387 can be divided by 4 positive divisors.
The sum of these divisors (counting 221288387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100001001011111000011
3
Ternary
120102101121121012
4
Quaternary
31030021133003
5
Quinary
423122212022
6
Senary
33542551135
8
Octal
1514113703
10
Decimal
221288387
12
Duodecimal
621384ab
16
Hexadecimal
d3097c3
20
Vigesimal
39310j7
36
Base36
3nqz7n
md5
25dafd8b02901e667d60fc046bdd6685
sha1
1beb52579904658f3be49a33b2ec6dada25232db
sha256
e605354f1feba1312e4c5c40723e152b6aa81d7a38ce5d5752ca4bbfe2fb7776
sha512
a1037b99a1fdad615c2fa6de4f691fa0b68b08d07b2f43a3c4d39882714a832200d413e5fcb2109ad3c360d160d9bbe18303318853331a87ba33be5df6805713
ripemd-160
5c66d687a59630d5acfafa5c3be5187e69bfb2f4
Diameter
442576774
Circumference
1390395941.8479
Area
1.5383923763143E+17
Volume
4.5390449003692E+25
Surface area
6.1535695052572E+17
Circumference
1390395941.8479
Perimeter
885153548
Area
48968550221061769
Diagonal
312949038.09107
Surface area
293811301326370614
Volume
1.0836171492147E+25
Space diagonal
383282729.40896
Perimeter
663865161
Area
2.1204004238967E+16
Altitude
191641364.70448
Surface area
2.1204004238967E+16
Volume
1.2770550573663E+24
Height
104316346.03036