51991431 is an odd 8-digits composite number following 51991430
and preceding 51991432 . In scientific notation, it is written as 5.1991431 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 33153912 positive integers (up to 51991431) that are relatively prime to 51991431.
51991431 has 8 divisors, whose sum is 72336000
The reverse of 51991431 is 13419915
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-one million nine hundred ninety-one thousand four hundred thirty-one
Scientific notation
5.1991431 × 10^7
Engineering notation
5.1991431 × 10^6
Prime Factorization
3 × 23 × 753499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51991431
Product of the distinct prime numbers
The prime factorization of 51991431 is 3 × 23 × 753499.
Since it has a total of 3 prime factors.
8 , 8 , 83 , 27 , 510 , 710 , 5541 , 5926 , 75807 , 78182 , 578245 , 232551 , 4556617 , 1741339 , 22743453 , 25226404 , 386090297 , 944667360 , 7029885505 , 4813722683
n×2
103982862
n×3
155974293
n×4
207965724
n×5
259957155
n÷2
25995715.5
n÷3
17330477
n÷3
12997857.75
n÷5
10398286.2
n2
2703108897427761
n3
1.405384997261E+23
n4
7.3067977113531E+30
n5
3.7989086904077E+38
2 √n
7210.5083732009
3 √n
373.23061206306
4 √n
84.914712348337
5 √n
34.929016248207
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
-51991430
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 51991431 can be divided by 8 positive divisors.
The sum of these divisors (counting 51991431) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000110010101001110000111
3
Ternary
10121211102211120
4
Quaternary
3012111032013
5
Quinary
101302211211
6
Senary
5054205023
8
Octal
306251607
10
Decimal
51991431
12
Duodecimal
154b3773
16
Hexadecimal
3195387
20
Vigesimal
g4iibb
36
Base36
uycuf
md5
815251afdfb1b0b4fe27465df28728f5
sha1
a5d7ab9debc4bcdd45961dcd43860b2317c11edc
sha256
d3f0cc71aefdbd98867d35b9e3b74ab95f35e7ed4c5bc50b1c8ae6a74e9a36b8
sha512
51461f22973c2e4ecc203547c26bbf8957b11f3a700eec62405eff2517b4109a05cfd765ad1252d4d9e98bb07c1f04687e53322e72aaf20f58a55d77640c691f
ripemd-160
ed96ed0bcf76686e3b53eca62c8dfb76a27f22eb
Diameter
103982862
Circumference
326671795.35844
Area
8.4920670540123E+15
Volume
5.8868629104807E+23
Surface area
3.3968268216049E+16
Circumference
326671795.35844
Perimeter
207965724
Area
2703108897427761
Diagonal
73526986.847385
Surface area
16218653384566566
Volume
1.405384997261E+23
Space diagonal
90051800.050212
Perimeter
155974293
Area
1.1704804871841E+15
Altitude
45025900.025106
Surface area
1.1704804871841E+15
Volume
1.6562621029018E+22
Height
24508995.615795