51491490 is an even 8-digits composite number following 51491489
and preceding 51491491 . In scientific notation, it is written as 5.1491490 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 13395840 positive integers (up to 51491490) that are relatively prime to 51491490.
51491490 has 16 divisors, whose sum is 84397824
The reverse of 51491490 is 09419415
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-one million four hundred ninety-one thousand four hundred ninety
Scientific notation
5.1491490 × 10^7
Engineering notation
5.1491490 × 10^6
Prime Factorization
2 × 15 × 41 × 41863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51491490
Product of the distinct prime numbers
The prime factorization of 51491490 is 2 × 15 × 41 × 41863.
Since it has a total of 4 prime factors.
4 , 1 , 54 , 18 , 185 , 678 , 6853 , 2058 , 33309 , 46791 , 709219 , 592547 , 9416448 , 7596719 , 59788414 , 29075704 , 971815931 , 489926332 , 1612287239 , 2894450034
n×2
102982980
n×3
154474470
n×4
205965960
n×5
257457450
n÷2
25745745
n÷3
17163830
n÷3
12872872.5
n÷5
10298298
n2
2651373542420100
n3
1.3652317424579E+23
n4
7.0297816614453E+30
n5
3.6197393212249E+38
2 √n
7175.7571029126
3 √n
372.0304490049
4 √n
84.709840649788
5 √n
34.861582044066
1 , 2 , 15 , 30 , 41 , 82 , 615 , 1230 , 41863 , 83726 , 627945 , 1255890 , 1716383 , 3432766 , 25745745 , 51491490
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
-51491489
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 51491490 can be divided by 16 positive divisors.
The sum of these divisors (counting 51491490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000100011011001010100010
3
Ternary
10120220001001020
4
Quaternary
3010123022202
5
Quinary
101140211430
6
Senary
5035350310
8
Octal
304331242
10
Decimal
51491490
12
Duodecimal
152b2396
16
Hexadecimal
311b2a2
20
Vigesimal
g1g8ea
36
Base36
unn36
md5
2591dd154b5d1ae6e51ed82e1723b944
sha1
3f357ecb9e6ea5d06fa28443fcf5773cb8052de8
sha256
7823df0300d6a2d63bb039ce3b3b4f4692992ab4189d32b6baf7b939bb92960f
sha512
a36dc005b605a3d8e78f38b4de9217c4d1d364b266cd476866cbcb022245855393f3dff36cb78942083fb1ec1d1708bbc471f9c649217c74a9006791799750d9
ripemd-160
eb54c7f0d137ec20e58f0417c86777c0f4e91905
Diameter
102982980
Circumference
323530573.41278
Area
8.3295356427893E+15
Volume
5.7186693500711E+23
Surface area
3.3318142571157E+16
Circumference
323530573.41278
Perimeter
205965960
Area
2651373542420100
Diagonal
72819963.504799
Surface area
15908241254520600
Volume
1.3652317424579E+23
Space diagonal
89185876.837425
Perimeter
154474470
Area
1.1480784213289E+15
Altitude
44592938.418712
Surface area
1.1480784213289E+15
Volume
1.6089410383052E+22
Height
24273321.168266