291497138 is an even 9-digits composite number following 291497137
and preceding 291497139 . In scientific notation, it is written as 2.91497138 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 142112880 positive integers (up to 291497138) that are relatively prime to 291497138.
291497138 has 16 divisors, whose sum is 448255296
The reverse of 291497138 is 831794192
Previous prime number is 163
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred ninety-one million four hundred ninety-seven thousand one hundred thirty-eight
Scientific notation
2.91497138 × 10^8
Engineering notation
2.91497138 × 10^6
Prime Factorization
2 × 53 × 163 × 16871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
291497138
Product of the distinct prime numbers
The prime factorization of 291497138 is 2 × 53 × 163 × 16871.
Since it has a total of 4 prime factors.
3 , 2 , 44 , 31 , 16 , 609 , 6937 , 459 , 84518 , 76618 , 62498 , 802537 , 9390258 , 481569 , 17155052 , 44066940 , 353598761 , 479794947 , 8376328750 , 837698237
n×2
582994276
n×3
874491414
n×4
1165988552
n×5
1457485690
n÷2
145748569
n÷3
97165712.666667
n÷3
72874284.5
n÷5
58299427.6
n2
84970581462191044
n3
2.4768681310425E+25
n4
7.2199997140228E+33
n5
2.1046092529985E+42
2 √n
17073.287264027
3 √n
663.04768798271
4 √n
130.6647896873
5 √n
49.309075390396
1 , 2 , 53 , 106 , 163 , 326 , 8639 , 16871 , 17278 , 33742 , 894163 , 1788326 , 2749973 , 5499946 , 145748569 , 291497138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-291497137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 291497138 can be divided by 16 positive divisors.
The sum of these divisors (counting 291497138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001010111111110010010110010
3
Ternary
202022111120220022
4
Quaternary
101113332102302
5
Quinary
1044110402023
6
Senary
44531443442
8
Octal
2127762262
10
Decimal
291497138
12
Duodecimal
81756582
16
Hexadecimal
115fe4b2
20
Vigesimal
4b1h2gi
36
Base36
4tjsmq
md5
389a50ce0dbe0cb640a0e5a846856643
sha1
e165a84ad995a1efa83e537d45148bc9ca430e5f
sha256
0c02bb51a30b752200adfefafc82ecd1b133f79c3fccf62d3bcc69c75ebf8f92
sha512
8399dc24611fc8ee9cf9ceb5405f70b84a9ab10ecf23472cc6475371ec3bc5267ca033e8f6f647ecb6282d42169f6ccdda48229cd5c19cef67dcdf470afef746
ripemd-160
6137e6ca0981d4f12bf0a199fc888b8b9edfb918
Diameter
582994276
Circumference
1831530534.5665
Area
2.6694295449287E+17
Volume
1.0375080965858E+26
Surface area
1.0677718179715E+18
Circumference
1831530534.5665
Perimeter
1165988552
Area
84970581462191044
Diagonal
412239205.95254
Surface area
509823488773146264
Volume
2.4768681310425E+25
Space diagonal
504887853.27692
Perimeter
874491414
Area
3.6793341060296E+16
Altitude
252443926.63846
Surface area
3.6793341060296E+16
Volume
2.9190170859416E+24
Height
137413068.65085