51491009 is an odd 8-digits composite number following 51491008
and preceding 51491010 . In scientific notation, it is written as 5.1491009 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 51411504 positive integers (up to 51491009) that are relatively prime to 51491009.
51491009 has 4 divisors, whose sum is 51570516
The reverse of 51491009 is 90019415
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
fifty-one million four hundred ninety-one thousand nine
Scientific notation
5.1491009 × 10^7
Engineering notation
5.1491009 × 10^6
Prime Factorization
653 × 78853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51491009
Product of the distinct prime numbers
The prime factorization of 51491009 is 653 × 78853.
Since it has a total of 2 prime factors.
1 , 2 , 59 , 13 , 720 , 196 , 7357 , 6962 , 47099 , 13675 , 363507 , 986342 , 7549115 , 2517664 , 62964669 , 20412620 , 837257733 , 308207958 , 464880738 , 1409226166
n×2
102982018
n×3
154473027
n×4
205964036
n×5
257455045
n÷2
25745504.5
n÷3
17163669.666667
n÷3
12872752.25
n÷5
10298201.8
n2
2651324007838081
n3
1.3651934834951E+23
n4
7.0295189945386E+30
n5
3.6195702581346E+38
2 √n
7175.7235872071
3 √n
372.02929057915
4 √n
84.70964282304
5 √n
34.861516912979
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51491008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51491009 can be divided by 4 positive divisors.
The sum of these divisors (counting 51491009) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000100011011000011000001
3
Ternary
10120220000101102
4
Quaternary
3010123003001
5
Quinary
101140203014
6
Senary
5035344145
8
Octal
304330301
10
Decimal
51491009
12
Duodecimal
152b2055
16
Hexadecimal
311b0c1
20
Vigesimal
g1g7a9
36
Base36
unmpt
md5
df38ff4da00ba81f77d508b93905594f
sha1
f5f3d270fe91f40ead9e2d5e355378aad03b049e
sha256
d3379795bba5cd12906d39925ad11056b1229b33e2fe6bc56bf88a93fbba2924
sha512
99107559c477b34be65e1e98f6bcd315920ad501b02a1382bb3d6145f37abb6138ad04700981bb96d7b80cc8b0b9b4a2f1ebc8bb5e79a1f8299c547810807a59
ripemd-160
969fbf83a9b797b34875c1c4ce4308fa87d85ed9
Diameter
102982018
Circumference
323527551.20065
Area
8.3293800253104E+15
Volume
5.7185090913023E+23
Surface area
3.3317520101241E+16
Circumference
323527551.20065
Perimeter
205964036
Area
2651324007838081
Diagonal
72819283.268075
Surface area
15907944047028486
Volume
1.3651934834951E+23
Space diagonal
89185043.720986
Perimeter
154473027
Area
1.1480569722257E+15
Altitude
44592521.860493
Surface area
1.1480569722257E+15
Volume
1.6088959496851E+22
Height
24273094.422692