87980 is an even 5-digits composite number following 87979
and preceding 87981 . In scientific notation, it is written as 8.7980 × 10^4.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 34112 positive integers (up to 87980) that are relatively prime to 87980.
87980 has 24 divisors, whose sum is 190512
The reverse of 87980 is 08978
Previous prime number is 83
Is Prime? no
Number parity even
Number length 5
Sum of Digits 32
Digital Root 5
Name
eighty-seven thousand nine hundred eighty
Scientific notation
8.7980 × 10^4
Engineering notation
8.7980 × 10^3
Prime Factorization
2 × 2 × 5 × 83 × 53
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43990
Product of the distinct prime numbers
The prime factorization of 87980 is 2 × 2 × 5 × 83 × 53.
Since it has a total of 5 prime factors.
6 , 3 , 12 , 35 , 923 , 311 , 232 , 5113 , 78178 , 59864 , 342107 , 945750 , 3303378 , 4622829 , 68759223 , 68515818 , 923344619 , 762341215 , 5876380078 , 8937255670
n×2
175960
n×3
263940
n×4
351920
n×5
439900
n÷2
43990
n÷3
29326.666666667
n÷3
21995
n÷5
17596
n2
7740480400
n3
681007465592000
n4
5.9915036822784E+19
n5
5.2713249396686E+24
2 √n
296.61422757515
3 √n
44.476231889272
4 √n
17.222491909568
5 √n
9.7471307434843
1 , 2 , 4 , 5 , 10 , 20 , 53 , 83 , 106 , 166 , 212 , 265 , 332 , 415 , 530 , 830 , 1060 , 1660 , 4399 , 8798 , 17596 , 21995 , 43990 , 87980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87980 can be divided by 24 positive divisors.
The sum of these divisors (counting 87980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10101011110101100
3
Ternary
11110200112
4
Quaternary
111132230
5
Quinary
10303410
6
Senary
1515152
8
Octal
253654
10
Decimal
87980
12
Duodecimal
42ab8
16
Hexadecimal
157ac
20
Vigesimal
ajj0
36
Base36
1vvw
md5
7b628b7eb1d005dc09801aa32ea63750
sha1
aca9cc63f82ece9ca6b79e7467fdb8353fc6cbd8
sha256
de6186b4d515a8620ceff6054e0856b5fb26f3c4d976b39c7bb88c92d112e1ef
sha512
3b1055ec4b035e49680960083603fc1dcb2fbf83c69903822e5f204bde29d183af48e817b7af5cd811e33e57a1b168395d1c6b17913920c4b734307a1734343e
ripemd-160
fde30a660adaff293ef0e505b0571cc3f60d4e12
Diameter
175960
Circumference
552794.64332566
Area
24317436359.896
Volume
2.8525974012582E+15
Surface area
97269745439.583
Circumference
552794.64332566
Perimeter
351920
Area
7740480400
Diagonal
124422.50921758
Surface area
46442882400
Volume
681007465592000
Space diagonal
152385.83004991
Perimeter
263940
Area
3351726331.9478
Altitude
76192.915024955
Surface area
3351726331.9478
Volume
80257499493128
Height
41474.169739195