291228989 is an odd 9-digits composite number following 291228988
and preceding 291228990 . In scientific notation, it is written as 2.91228989 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 270794176 positive integers (up to 291228989) that are relatively prime to 291228989.
291228989 has 8 divisors, whose sum is 312076800
The reverse of 291228989 is 989822192
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred ninety-one million two hundred twenty-eight thousand nine hundred eighty-nine
Scientific notation
2.91228989 × 10^8
Engineering notation
2.91228989 × 10^6
Prime Factorization
17 × 83 × 206399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
291228989
Product of the distinct prime numbers
The prime factorization of 291228989 is 17 × 83 × 206399.
Since it has a total of 3 prime factors.
5 , 10 , 58 , 71 , 64 , 284 , 9708 , 9716 , 25599 , 35777 , 863610 , 299660 , 3188494 , 3588177 , 1830752 , 50250357 , 459328539 , 741603995 , 7555712965 , 7377742072
n×2
582457978
n×3
873686967
n×4
1164915956
n×5
1456144945
n÷2
145614494.5
n÷3
97076329.666667
n÷3
72807247.25
n÷5
58245797.8
n2
84814324033962121
n3
2.4700389841129E+25
n4
7.1934695613379E+33
n5
2.0949468677507E+42
2 √n
17065.432575824
3 √n
662.84431249186
4 √n
130.63472959295
5 √n
49.30000014027
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-291228988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291228989 can be divided by 8 positive divisors.
The sum of these divisors (counting 291228989) is 1, the average is 0.125.
Base
System
Value
2
Binary
10001010110111100110100111101
3
Ternary
202021222222001212
4
Quaternary
101112330310331
5
Quinary
1044023311424
6
Senary
44522014205
8
Octal
2126746475
10
Decimal
291228989
12
Duodecimal
81647365
16
Hexadecimal
115bcd3d
20
Vigesimal
4b03c99
36
Base36
4te1q5
md5
85c71e8673a39ab18404d675bc3b4dfe
sha1
1cddd065979d0d0b16b7647fd0dbdfea20bc73ff
sha256
70018328e7484e2f81bdf6c339d9bff4958f29eea2c012148e13674aa0634cfa
sha512
5989f4eb05f29abc35b410f9d7c7a584eb40fc54950f134d137f078fe3fe34d53986c0ed634a1e342625bb001798f93fbea5bfe0e9c093f4dd0f8fba6a48ced2
ripemd-160
6020450bbb8969f028ecf34f777df4530131585b
Diameter
582457978
Circumference
1829845704.7096
Area
2.6645205730428E+17
Volume
1.0346475102093E+26
Surface area
1.0658082292171E+18
Circumference
1829845704.7096
Perimeter
1164915956
Area
84814324033962121
Diagonal
411859986
Surface area
508885944203772726
Volume
2.4700389841129E+25
Space diagonal
504423405.58492
Perimeter
873686967
Area
3.6725679609108E+16
Altitude
252211702.79246
Surface area
3.6725679609108E+16
Volume
2.9109688591023E+24
Height
137286662