43987 is an odd 5-digits prime number following 43986
and preceding 43988 . In scientific notation, it is written as 4.3987 × 10^4.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 43986 positive integers (up to 43987) that are relatively prime to 43987.
43987 has 2 divisors, whose sum is 43988
The reverse of 43987 is 78934
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 31
Digital Root 4
Name
forty-three thousand nine hundred eighty-seven
Scientific notation
4.3987 × 10^4
Engineering notation
4.3987 × 10^3
Prime Factorization
43987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
43987
Product of the distinct prime numbers
The prime factorization of 43987 is 43987.
Since it has a total of 1 prime factors.
8 , 5 , 78 , 92 , 811 , 992 , 5484 , 5338 , 83483 , 10864 , 334906 , 553149 , 8201198 , 8062875 , 68375700 , 93972132 , 299499050 , 623678254 , 997477515 , 8486458774
n×2
87974
n×3
131961
n×4
175948
n×5
219935
n÷2
21993.5
n÷3
14662.333333333
n÷3
10996.75
n÷5
8797.4
n2
1934856169
n3
85108518305803
n4
3743668394717356561
n5
1.6467274167843E+23
2 √n
209.73077981069
3 √n
35.300006152578
4 √n
14.482084788134
5 √n
8.4852544202073
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
43988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
21994
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
209.73316380582
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999545330545
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 43987 can be divided by 2 positive divisors.
The sum of these divisors (counting 43987) is 43988, the average is 21994.
Base
System
Value
2
Binary
1010101111010011
3
Ternary
2020100011
4
Quaternary
22233103
5
Quinary
2401422
6
Senary
535351
8
Octal
125723
10
Decimal
43987
12
Duodecimal
21557
16
Hexadecimal
abd3
20
Vigesimal
59j7
36
Base36
xxv
md5
393a02a8b46c706c42e3aa9795cc73ca
sha1
91a7d759771fac8b9fe5db9b731cc343c1526b9e
sha256
5fe05fed8861ab5e2fd2af5b8c48a5a4bd5b00317e86a49d80f566d401777f69
sha512
3d53de0fb9df926dc19670462f0085ef19bcd0281c8245e0201d330722a86dedaa958d662fcce5e8a2f37748b63fcf6a4b6b67b45d428fb00881e3c19d6d806e
ripemd-160
7be3670dffa54f92abf97741ff16f5214b3ddb5f
Diameter
87974
Circumference
276378.47210691
Area
6078529926.2833
Volume
3.5650172782323E+14
Surface area
24314119705.133
Circumference
276378.47210691
Perimeter
175948
Area
1934856169
Diagonal
62207.011968105
Surface area
11609137014
Volume
85108518305803
Space diagonal
76187.718872532
Perimeter
131961
Area
837817297.51152
Altitude
38093.859436266
Surface area
837817297.51152
Volume
10030135071795
Height
20735.670656035