87081928 is an even 8-digits composite number following 87081927
and preceding 87081929 . In scientific notation, it is written as 8.7081928 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 43540960 positive integers (up to 87081928) that are relatively prime to 87081928.
87081928 has 8 divisors, whose sum is 163278630
The reverse of 87081928 is 82918078
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-seven million eighty-one thousand nine hundred twenty-eight
Scientific notation
8.7081928 × 10^7
Engineering notation
8.7081928 × 10^6
Prime Factorization
2 × 2 × 2 × 10885241
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21770482
Product of the distinct prime numbers
The prime factorization of 87081928 is 2 × 2 × 2 × 10885241.
Since it has a total of 4 prime factors.
7 , 6 , 50 , 9 , 472 , 342 , 4882 , 674 , 51561 , 90022 , 266297 , 953729 , 1498773 , 4903701 , 52320095 , 45461005 , 961256317 , 383418516 , 537230954 , 5334781416
n×2
174163856
n×3
261245784
n×4
348327712
n×5
435409640
n÷2
43540964
n÷3
29027309.333333
n÷3
21770482
n÷5
17416385.6
n2
7583262184197184
n3
6.6036509152938E+23
n4
5.7505865354275E+31
n5
5.0077216263587E+39
2 √n
9331.7698214219
3 √n
443.24380928617
4 √n
96.601086026099
5 √n
38.724481112728
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
-87081927
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 87081928 can be divided by 8 positive divisors.
The sum of these divisors (counting 87081928) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001100001111001000
3
Ternary
20001212012221121
4
Quaternary
11030030033020
5
Quinary
134243110203
6
Senary
12350245024
8
Octal
514141710
10
Decimal
87081928
12
Duodecimal
251b6774
16
Hexadecimal
530c3c8
20
Vigesimal
17454g8
36
Base36
1fugug
md5
b94b0b4369fcc18b7fd47886a75cb49b
sha1
bc34b43dc088a5f13d76b15a596e1a8c239f6fad
sha256
8258daa3940407c7dd19ed43fbae819a521edd31e39f7358632d3cfb9095c40f
sha512
54a88b554017ecf3ba5cafbf6f38c3279d783f5398dfe98ae81089e589bfc099e3d9637ba4e41804d7b865caef8d27e16e02b9a26a08b47e2680c95ca796efcc
ripemd-160
6839123689e07ff31ecc2591c6705cba886e52b0
Diameter
174163856
Circumference
547151890.53047
Area
2.3823520768119E+16
Volume
2.7661308269811E+24
Surface area
9.5294083072477E+16
Circumference
547151890.53047
Perimeter
348327712
Area
7583262184197184
Diagonal
123152443.6152
Surface area
45499573105183104
Volume
6.6036509152938E+23
Space diagonal
150830323.71705
Perimeter
261245784
Area
3.2836488475363E+15
Altitude
75415161.858527
Surface area
3.2836488475363E+15
Volume
7.7824772379884E+22
Height
41050814.538399