87890 is an even 5-digits composite number following 87889
and preceding 87891 . In scientific notation, it is written as 8.7890 × 10^4.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 29440 positive integers (up to 87890) that are relatively prime to 87890.
87890 has 32 divisors, whose sum is 186624
The reverse of 87890 is 09878
Previous prime number is 47
Is Prime? no
Number parity even
Number length 5
Sum of Digits 32
Digital Root 5
Name
eighty-seven thousand eight hundred ninety
Scientific notation
8.7890 × 10^4
Engineering notation
8.7890 × 10^3
Prime Factorization
2 × 5 × 11 × 47 × 17
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87890
Product of the distinct prime numbers
The prime factorization of 87890 is 2 × 5 × 11 × 47 × 17.
Since it has a total of 5 prime factors.
1 , 4 , 63 , 78 , 859 , 95 , 8803 , 1547 , 61432 , 86108 , 307924 , 70654 , 2744900 , 1752996 , 41626012 , 22939726 , 916227011 , 320681794 , 1035265769 , 9993873744
n×2
175780
n×3
263670
n×4
351560
n×5
439450
n÷2
43945
n÷3
29296.666666667
n÷3
21972.5
n÷5
17578
n2
7724652100
n3
678919673069000
n4
5.9670250066034E+19
n5
5.2444182783038E+24
2 √n
296.46247654636
3 √n
44.461060916445
4 √n
17.218085739894
5 √n
9.7451357424827
1 , 2 , 5 , 10 , 11 , 17 , 22 , 34 , 47 , 55 , 85 , 94 , 110 , 170 , 187 , 235 , 374 , 470 , 517 , 799 , 935 , 1034 , 1598 , 1870 , 2585 , 3995 , 5170 , 7990 , 8789 , 17578 , 43945 , 87890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87890 can be divided by 32 positive divisors.
The sum of these divisors (counting 87890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10101011101010010
3
Ternary
11110120012
4
Quaternary
111131102
5
Quinary
10303030
6
Senary
1514522
8
Octal
253522
10
Decimal
87890
12
Duodecimal
42a42
16
Hexadecimal
15752
20
Vigesimal
ajea
36
Base36
1vte
md5
d93fc8d8e12f03883ca9d7fb69d60890
sha1
61c5d2c091d4fd7a1afc8243b5e64f8161c35836
sha256
b6c0f4d008adafc334c1c61590c68f306a5a434444ec77d197e043de3aea9c8d
sha512
eb43f07cd6d8ac693eefb5768199c3cae4a046514090fcc2d519c0daa0291fe6a7a128ba72d0cca2b7bdc97477826ff015afd38e7e48891da119625aa12af9cc
ripemd-160
b8dc48f5f112be14b3b5f5e56023b12bdc3d3947
Diameter
175780
Circumference
552229.15664801
Area
24267710288.897
Volume
2.8438520763882E+15
Surface area
97070841155.588
Circumference
552229.15664801
Perimeter
351560
Area
7724652100
Diagonal
124295.22999697
Surface area
46347912600
Volume
678919673069000
Space diagonal
152229.94547723
Perimeter
263670
Area
3344872476.9984
Altitude
76114.972738614
Surface area
3344872476.9984
Volume
80011450784674
Height
41431.743332324