291497139 is an odd 9-digits composite number following 291497138
and preceding 291497140 . In scientific notation, it is written as 2.91497139 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 192847200 positive integers (up to 291497139) that are relatively prime to 291497139.
291497139 has 12 divisors, whose sum is 424267272
The reverse of 291497139 is 931794192
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred ninety-one million four hundred ninety-seven thousand one hundred thirty-nine
Scientific notation
2.91497139 × 10^8
Engineering notation
2.91497139 × 10^6
Prime Factorization
3 × 3 × 131 × 247241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
97165713
Product of the distinct prime numbers
The prime factorization of 291497139 is 3 × 3 × 131 × 247241.
Since it has a total of 4 prime factors.
5 , 7 , 1 , 90 , 316 , 139 , 4152 , 3059 , 77819 , 89232 , 255195 , 635725 , 6646817 , 4072095 , 21111979 , 50021817 , 81601743 , 77710547 , 6035404607 , 844813211
n×2
582994278
n×3
874491417
n×4
1165988556
n×5
1457485695
n÷2
145748569.5
n÷3
97165713
n÷3
72874284.75
n÷5
58299427.8
n2
84970582045185321
n3
2.4768681565336E+25
n4
7.2199998130976E+33
n5
2.1046092890985E+42
2 √n
17073.287293313
3 √n
663.04768874092
4 √n
130.66478979937
5 √n
49.309075424227
1 , 3 , 9 , 131 , 393 , 1179 , 247241 , 741723 , 2225169 , 32388571 , 97165713 , 291497139
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-291497138
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291497139 can be divided by 12 positive divisors.
The sum of these divisors (counting 291497139) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10001010111111110010010110011
3
Ternary
202022111120220100
4
Quaternary
101113332102303
5
Quinary
1044110402024
6
Senary
44531443443
8
Octal
2127762263
10
Decimal
291497139
12
Duodecimal
81756583
16
Hexadecimal
115fe4b3
20
Vigesimal
4b1h2gj
36
Base36
4tjsmr
md5
3a4365c9d8f3fb008bc56af15f254a99
sha1
eda747ebb291d08fe7d970db5de24e907060eda7
sha256
07fbf09763c9052ba0ed0a678822440b0b735e57e729bbb6ff18e5af5a1ad6e5
sha512
6dee7a5ed8b005183234398a5814d705395f6aba7a7736dec4fc5cef2f8689ece3be4a787056f385684a04921b43c906763f1c37051d04317b5dbe05ced8b140
ripemd-160
17a6a5790be6bb88e2b0aa8c4fb68761d4d152b2
Diameter
582994278
Circumference
1831530540.8497
Area
2.669429563244E+17
Volume
1.0375081072635E+26
Surface area
1.0677718252976E+18
Circumference
1831530540.8497
Perimeter
1165988556
Area
84970582045185321
Diagonal
412239207.36676
Surface area
509823492271111926
Volume
2.4768681565336E+25
Space diagonal
504887855.00897
Perimeter
874491417
Area
3.679334131274E+16
Altitude
252443927.50448
Surface area
3.679334131274E+16
Volume
2.9190171159833E+24
Height
137413069.12225