49991 is an odd 5-digits prime number following 49990
and preceding 49992 . In scientific notation, it is written as 4.9991 × 10^4.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 49990 positive integers (up to 49991) that are relatively prime to 49991.
49991 has 2 divisors, whose sum is 49992
The reverse of 49991 is 19994
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 32
Digital Root 5
Name
forty-nine thousand nine hundred ninety-one
Scientific notation
4.9991 × 10^4
Engineering notation
4.9991 × 10^3
Prime Factorization
49991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
49991
Product of the distinct prime numbers
The prime factorization of 49991 is 49991.
Since it has a total of 1 prime factors.
3 , 3 , 73 , 91 , 519 , 592 , 8167 , 8657 , 57876 , 79142 , 761564 , 736448 , 335295 , 980939 , 64576253 , 39822644 , 115150157 , 929634427 , 8462127102 , 6240784622
n×2
99982
n×3
149973
n×4
199964
n×5
249955
n÷2
24995.5
n÷3
16663.666666667
n÷3
12497.75
n÷5
9998.2
n2
2499100081
n3
124932512149271
n4
6245501214854206561
n5
3.1221885123178E+23
2 √n
223.58667223249
3 √n
36.838104434866
4 √n
14.952814859835
5 √n
8.7051922121913
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
49992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
24996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
223.58890849056
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999959993599
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 49991 can be divided by 2 positive divisors.
The sum of these divisors (counting 49991) is 49992, the average is 24996.
Base
System
Value
2
Binary
1100001101000111
3
Ternary
2112120112
4
Quaternary
30031013
5
Quinary
3044431
6
Senary
1023235
8
Octal
141507
10
Decimal
49991
12
Duodecimal
24b1b
16
Hexadecimal
c347
20
Vigesimal
64jb
36
Base36
12kn
md5
423bb6b9aa3cb81e40ea9d08b2724a2f
sha1
bfdf4bd6e8dc1b84a8049bf36a22dc146bd53be8
sha256
b3d7201e141982ac74a8c74e9fdf88aecc5dc729fe587c95775b6f85939809f6
sha512
5baecf779374f00448a5f6997049868e1584d823f1d5a8b54057cd34bf4ec1fc4d68692bfe9469c63e14e1545f2ae6d4a764c47d7208b9e76087b26a29e65ae8
ripemd-160
14c114a113ddcdb4bdbd76b367739989d3bb1e25
Diameter
99982
Circumference
314102.71669121
Area
7851154455.0553
Volume
5.2331608315022E+14
Surface area
31404617820.221
Circumference
314102.71669121
Perimeter
199964
Area
2499100081
Diagonal
70697.950196593
Surface area
14994600486
Volume
124932512149271
Space diagonal
86586.951921176
Perimeter
149973
Area
1082142078.3729
Altitude
43293.475960588
Surface area
1082142078.3729
Volume
14723437755237
Height
23565.983398864