15491490 is an even 8-digits composite number following 15491489
and preceding 15491491 . In scientific notation, it is written as 1.5491490 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 3487680 positive integers (up to 15491490) that are relatively prime to 15491490.
15491490 has 32 divisors, whose sum is 28753920
The reverse of 15491490 is 09419451
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifteen million four hundred ninety-one thousand four hundred ninety
Scientific notation
1.5491490 × 10^7
Engineering notation
1.5491490 × 10^6
Prime Factorization
2 × 15 × 7 × 71 × 1039
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15491490
Product of the distinct prime numbers
The prime factorization of 15491490 is 2 × 15 × 7 × 71 × 1039.
Since it has a total of 5 prime factors.
2 , 9 , 70 , 49 , 7 , 441 , 6656 , 642 , 83635 , 14834 , 486364 , 69487 , 9337868 , 321723 , 86771941 , 49460878 , 221035892 , 61763704 , 9823908170 , 8481538454
n×2
30982980
n×3
46474470
n×4
61965960
n×5
77457450
n÷2
7745745
n÷3
5163830
n÷3
3872872.5
n÷5
3098298
n2
239986262420100
n3
3.7177447844184E+21
n4
5.7593406150369E+28
n5
8.9220767544438E+35
2 √n
3935.9230175399
3 √n
249.28590890434
4 √n
62.736935034634
5 √n
27.416918319763
1 , 2 , 7 , 14 , 15 , 30 , 71 , 105 , 142 , 210 , 497 , 994 , 1039 , 1065 , 2078 , 2130 , 7273 , 7455 , 14546 , 14910 , 15585 , 31170 , 73769 , 109095 , 147538 , 218190 , 516383 , 1032766 , 1106535 , 2213070 , 7745745 , 15491490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-15491489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 15491490 can be divided by 32 positive divisors.
The sum of these divisors (counting 15491490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111011000110000110100010
3
Ternary
1002011001022220
4
Quaternary
323012012202
5
Quinary
12431211430
6
Senary
1312011510
8
Octal
73060642
10
Decimal
15491490
12
Duodecimal
5230b96
16
Hexadecimal
ec61a2
20
Vigesimal
4gg8ea
36
Base36
981b6
md5
8075c61a866cf29de182d51ad97168ca
sha1
51b4b96a683decc42fdedc54432ad9ddc036168f
sha256
044f56b298e0d7a977430750584d70e8a118e6121ebbc1d02bc576661da64df4
sha512
4e0216485a2a8ece5b645e89541901d34f19dbd3aca8a9275a506c46af5b9746ead52d8f558ad5345fd6a8bef25f4eb1b3f0c068c3856f69133ef3f15284335c
ripemd-160
21b710246eb61e45452ede0133790e1ec035e03d
Diameter
30982980
Circumference
97335902.354319
Area
7.5393907898146E+14
Volume
1.5572852936867E+22
Surface area
3.0157563159258E+15
Circumference
97335902.354319
Perimeter
61965960
Area
239986262420100
Diagonal
21908275.259367
Surface area
1439917574520600
Volume
3.7177447844184E+21
Space diagonal
26832047.764945
Perimeter
46474470
Area
1.0391709990754E+14
Altitude
13416023.882473
Surface area
1.0391709990754E+14
Volume
4.3814042463052E+20
Height
7302758.4197891