87087890 is an even 8-digits composite number following 87087889
and preceding 87087891 . In scientific notation, it is written as 8.7087890 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 32845120 positive integers (up to 87087890) that are relatively prime to 87087890.
87087890 has 32 divisors, whose sum is 165908736
The reverse of 87087890 is 09878078
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-seven million eighty-seven thousand eight hundred ninety
Scientific notation
8.7087890 × 10^7
Engineering notation
8.7087890 × 10^6
Prime Factorization
2 × 5 × 23 × 71 × 5333
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87087890
Product of the distinct prime numbers
The prime factorization of 87087890 is 2 × 5 × 23 × 71 × 5333.
Since it has a total of 5 prime factors.
1 , 8 , 98 , 44 , 658 , 659 , 4552 , 4095 , 65474 , 56342 , 580034 , 635363 , 49763 , 6482547 , 95487752 , 85316874 , 632808630 , 406884853 , 3762623421 , 3639908114
n×2
174175780
n×3
261263670
n×4
348351560
n×5
435439450
n÷2
43543945
n÷3
29029296.666667
n÷3
21771972.5
n÷5
17417578
n2
7584300584652100
n3
6.6050073504312E+23
n4
5.7521615358354E+31
n5
5.0094361109507E+39
2 √n
9332.0892623249
3 √n
443.25392450887
4 √n
96.602739414185
5 √n
38.725011346817
1 , 2 , 5 , 10 , 23 , 46 , 71 , 115 , 142 , 230 , 355 , 710 , 1633 , 3266 , 5333 , 8165 , 10666 , 16330 , 26665 , 53330 , 122659 , 245318 , 378643 , 613295 , 757286 , 1226590 , 1893215 , 3786430 , 8708789 , 17417578 , 43543945 , 87087890
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
-87087889
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 87087890 can be divided by 32 positive divisors.
The sum of these divisors (counting 87087890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100001101101100010010
3
Ternary
20001212112010102
4
Quaternary
11030031230102
5
Quinary
134243303030
6
Senary
12350332402
8
Octal
514155422
10
Decimal
87087890
12
Duodecimal
251ba102
16
Hexadecimal
530db12
20
Vigesimal
1745jea
36
Base36
1fulg2
md5
663f9d122471735b0c7f415ea9942f20
sha1
47a7baf8c4f5ad2029f2bb00dea3c5045f2fb6f9
sha256
f9d457ce38a76d3ab44990e5c59b2109ef5dbb1806c7f2485eae93dedd6c549f
sha512
2e85ae66546c3c0af7d62d23bdc0fc81aed87da31694906fd1d464d6990586dd70243839ea276c51949cdfd11855aaa906f7b7993680ba79b6729de226a9f5bd
ripemd-160
0bea01a64ccca14a416c58d3c532bc6c79bda692
Diameter
174175780
Circumference
547189350.88127
Area
2.382678299936E+16
Volume
2.7666990092028E+24
Surface area
9.5307131997439E+16
Circumference
547189350.88127
Perimeter
348351560
Area
7584300584652100
Diagonal
123160875.15646
Surface area
45505803507912600
Volume
6.6050073504312E+23
Space diagonal
150840650.20397
Perimeter
261263670
Area
3.2840984881229E+15
Altitude
75420325.101985
Surface area
3.2840984881229E+15
Volume
7.7840758121281E+22
Height
41053625.052152