51990007 is an odd 8-digits composite number following 51990006
and preceding 51990008 . In scientific notation, it is written as 5.1990007 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 50225400 positive integers (up to 51990007) that are relatively prime to 51990007.
51990007 has 8 divisors, whose sum is 53760512
The reverse of 51990007 is 70009915
Previous prime number is 787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
fifty-one million nine hundred ninety thousand seven
Scientific notation
5.1990007 × 10^7
Engineering notation
5.1990007 × 10^6
Prime Factorization
31 × 787 × 2131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51990007
Product of the distinct prime numbers
The prime factorization of 51990007 is 31 × 787 × 2131.
Since it has a total of 3 prime factors.
4 , 6 , 36 , 55 , 322 , 70 , 2458 , 3604 , 19521 , 20137 , 956433 , 813915 , 1954977 , 9136040 , 22342034 , 13798181 , 559760804 , 158242585 , 9125864673 , 8039114525
n×2
103980014
n×3
155970021
n×4
207960028
n×5
259950035
n÷2
25995003.5
n÷3
17330002.333333
n÷3
12997501.75
n÷5
10398001.4
n2
2702960827860049
n3
1.4052695236117E+23
n4
7.3059972369459E+30
n5
3.798388474908E+38
2 √n
7210.4096277535
3 √n
373.22720454485
4 √n
84.914130907367
5 √n
34.928824911046
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51990006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51990007 can be divided by 8 positive divisors.
The sum of these divisors (counting 51990007) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000110010100110111110111
3
Ternary
10121211100212211
4
Quaternary
3012110313313
5
Quinary
101302140012
6
Senary
5054154251
8
Octal
306246767
10
Decimal
51990007
12
Duodecimal
154b2987
16
Hexadecimal
3194df7
20
Vigesimal
g4if07
36
Base36
uybqv
md5
fb4008fd5873f3d039977290612f0994
sha1
fdaea1d8baf098d09065ce42afdac665dae56627
sha256
6fd348fbc3edf8ee722334a483542d74eb36f92d84517e3716a0c6269d90e02f
sha512
f559b8af087fa124af46e7fa8ca72a4b69852368acdf3803de74fb774fff84786e82562c4530b5a5389d42902f29a03c4eaf62eb9de31174b014978637417b42
ripemd-160
090b9ace13cae4c6ad1cca478a4f3327649f4e8e
Diameter
103980014
Circumference
326662848.10256
Area
8.4916018797461E+15
Volume
5.8863792155895E+23
Surface area
3.3966407518984E+16
Circumference
326662848.10256
Perimeter
207960028
Area
2702960827860049
Diagonal
73524973.007272
Surface area
16217764967160294
Volume
1.4052695236117E+23
Space diagonal
90049333.609862
Perimeter
155970021
Area
1.1704163711805E+15
Altitude
45024666.804931
Surface area
1.1704163711805E+15
Volume
1.656126015901E+22
Height
24508324.335757