228020991 is an odd 9-digits composite number following 228020990
and preceding 228020992 . In scientific notation, it is written as 2.28020991 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 137280000 positive integers (up to 228020991) that are relatively prime to 228020991.
228020991 has 24 divisors, whose sum is 336392112
The reverse of 228020991 is 199020822
Previous prime number is 4001
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-eight million twenty thousand nine hundred ninety-one
Scientific notation
2.28020991 × 10^8
Engineering notation
2.28020991 × 10^6
Prime Factorization
3 × 11 × 11 × 4001 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20729181
Product of the distinct prime numbers
The prime factorization of 228020991 is 3 × 11 × 11 × 4001 × 157.
Since it has a total of 5 prime factors.
5 , 6 , 61 , 30 , 123 , 884 , 86 , 1492 , 87623 , 80167 , 142810 , 686940 , 8881304 , 3182171 , 96844231 , 53492332 , 375492931 , 396288491 , 3101428146 , 3986343407
n×2
456041982
n×3
684062973
n×4
912083964
n×5
1140104955
n÷2
114010495.5
n÷3
76006997
n÷3
57005247.75
n÷5
45604198.2
n2
51993572336622081
n3
1.1855625889827E+25
n4
2.7033315643236E+33
n5
6.1641634229864E+41
2 √n
15100.363936012
3 √n
610.93022186937
4 √n
122.88353810015
5 √n
46.945607753133
1 , 3 , 11 , 33 , 121 , 157 , 363 , 471 , 1727 , 4001 , 5181 , 12003 , 18997 , 44011 , 56991 , 132033 , 484121 , 628157 , 1452363 , 1884471 , 6909727 , 20729181 , 76006997 , 228020991
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
-228020990
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 228020991 can be divided by 24 positive divisors.
The sum of these divisors (counting 228020991) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100101110101001011111111
3
Ternary
120220001122222220
4
Quaternary
31211311023333
5
Quinary
431333132431
6
Senary
34343140423
8
Octal
1545651377
10
Decimal
228020991
12
Duodecimal
64444713
16
Hexadecimal
d9752ff
20
Vigesimal
3b52c9b
36
Base36
3rra4f
md5
ae89fa83cbe0958e0d4546cb609ea9df
sha1
d1f010c5eeac44b4e960ecf44a87fce4941e98db
sha256
ce583e1d1b251dcd901fa854eb7d4e2fa9d1c879299679fd26781ca531dafb50
sha512
c656b0e1a677e34b6154d104dc1bb185459a57fd08d270c192e263479f09d27356dcf115af89ffbb80be7e9cce99b62b91ddfc4b11f76959b9196055328d0d43
ripemd-160
b8d32e0f64f48637732e90500fa803f0630fe54f
Diameter
456041982
Circumference
1432698140.3797
Area
1.6334262488662E+17
Volume
4.9660729598918E+25
Surface area
6.5337049954649E+17
Circumference
1432698140.3797
Perimeter
912083964
Area
51993572336622081
Diagonal
322470377.97795
Surface area
311961434019732486
Volume
1.1855625889827E+25
Space diagonal
394943941.60421
Perimeter
684062973
Area
2.2513877238509E+16
Altitude
197471970.8021
Surface area
2.2513877238509E+16
Volume
1.3971989103179E+24
Height
107490125.99265