87085881 is an odd 8-digits composite number following 87085880
and preceding 87085882 . In scientific notation, it is written as 8.7085881 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 57664944 positive integers (up to 87085881) that are relatively prime to 87085881.
87085881 has 16 divisors, whose sum is 129888000
The reverse of 87085881 is 18858078
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million eighty-five thousand eight hundred eighty-one
Scientific notation
8.7085881 × 10^7
Engineering notation
8.7085881 × 10^6
Prime Factorization
9 × 3 × 149 × 21647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87085881
Product of the distinct prime numbers
The prime factorization of 87085881 is 9 × 3 × 149 × 21647.
Since it has a total of 4 prime factors.
10 , 6 , 28 , 42 , 493 , 715 , 1579 , 2137 , 54070 , 12663 , 480090 , 326997 , 7541482 , 9074334 , 29829415 , 58851751 , 510167122 , 532772151 , 6362019692 , 2843255644
n×2
174171762
n×3
261257643
n×4
348343524
n×5
435429405
n÷2
43542940.5
n÷3
29028627
n÷3
21771470.25
n÷5
17417176.2
n2
7583950669546161
n3
6.6045502551797E+23
n4
5.751630775811E+31
n5
5.0088583329821E+39
2 √n
9331.9816223565
3 √n
443.25051605953
4 √n
96.602182285684
5 √n
38.724832678427
1 , 3 , 9 , 27 , 149 , 447 , 1341 , 4023 , 21647 , 64941 , 194823 , 584469 , 3225403 , 9676209 , 29028627 , 87085881
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87085880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87085881 can be divided by 16 positive divisors.
The sum of these divisors (counting 87085881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001101001100111001
3
Ternary
20001212102101000
4
Quaternary
11030031030321
5
Quinary
134243222011
6
Senary
12350315213
8
Octal
514151471
10
Decimal
87085881
12
Duodecimal
251b8b09
16
Hexadecimal
530d339
20
Vigesimal
1745ee1
36
Base36
1fujw9
md5
516a3cce00a1131ab3f92b3f374a6910
sha1
8ad79fb4f6417d457a8bbecd7276bfe98ea4b5e4
sha256
0de5eb8d7d92d548ff55a423e1dff60a1267f053e7e5c34df9b530baa30ec23a
sha512
06befac9d11be97168a3ca25a851d5356ee735a704983c972919836ad5fc0e5041315d5fccc1c6a0164ab616a5dfcb5b8079d2e42fd535df0adc3d2a353e279c
ripemd-160
1348105b3f3b962829a652358cadf239d466c464
Diameter
174171762
Circumference
547176727.96199
Area
2.3825683708634E+16
Volume
2.7665075415916E+24
Surface area
9.5302734834534E+16
Circumference
547176727.96199
Perimeter
348343524
Area
7583950669546161
Diagonal
123158034.00141
Surface area
45503704017276966
Volume
6.6045502551797E+23
Space diagonal
150837170.5139
Perimeter
261257643
Area
3.2839469704375E+15
Altitude
75418585.256949
Surface area
3.2839469704375E+15
Volume
7.7835371202082E+22
Height
41052678.00047