87085761 is an odd 8-digits composite number following 87085760
and preceding 87085762 . In scientific notation, it is written as 8.7085761 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 49684608 positive integers (up to 87085761) that are relatively prime to 87085761.
87085761 has 8 divisors, whose sum is 91377000
The reverse of 87085761 is 16758078
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-seven million eighty-five thousand seven hundred sixty-one
Scientific notation
8.7085761 × 10^7
Engineering notation
8.7085761 × 10^6
Prime Factorization
21 × 709 × 5849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
87085761
Product of the distinct prime numbers
The prime factorization of 87085761 is 21 × 709 × 5849.
Since it has a total of 3 prime factors.
10 , 9 , 27 , 32 , 210 , 831 , 3029 , 5685 , 7648 , 73649 , 908963 , 423954 , 8315378 , 8527631 , 33197388 , 82129986 , 489179309 , 54582819 , 1530362188 , 3340436845
n×2
174171522
n×3
261257283
n×4
348343044
n×5
435428805
n÷2
43542880.5
n÷3
29028587
n÷3
21771440.25
n÷5
17417152.2
n2
7583929768949121
n3
6.6045229529949E+23
n4
5.7515990740353E+31
n5
5.0088238232926E+39
2 √n
9331.9751928517
3 √n
443.25031246707
4 √n
96.60214900742
5 √n
38.724822006243
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
-87085760
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 87085761 can be divided by 8 positive divisors.
The sum of these divisors (counting 87085761) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001100001101001011000001
3
Ternary
20001212102012120
4
Quaternary
11030031023001
5
Quinary
134243221021
6
Senary
12350314453
8
Octal
514151301
10
Decimal
87085761
12
Duodecimal
251b8a29
16
Hexadecimal
530d2c1
20
Vigesimal
1745e81
36
Base36
1fujsx
md5
1290dbd07dbd3c6e1a8d0d8ea9d2961f
sha1
b96ce93275101c884704b45a27b0bfe0058155ac
sha256
f26e518ab1016da5c481ee25ab2a584b4923daeb5695f90f94302554143b3e9c
sha512
5fe30b9eb7c47c95e49d461184561085a3a430212523377cbae261b526745e00d4e8f236594da5b9ae157ae06d676220b3f406fb5ff777690fd09c26f77b476d
ripemd-160
db44b585bc116bf6a3e4a4e27bb8e3241396053a
Diameter
174171522
Circumference
547175973.97975
Area
2.3825618047471E+16
Volume
2.7664961052792E+24
Surface area
9.5302472189886E+16
Circumference
547175973.97975
Perimeter
348343044
Area
7583929768949121
Diagonal
123157864.29578
Surface area
45503578613694726
Volume
6.6045229529949E+23
Space diagonal
150836962.6678
Perimeter
261257283
Area
3.2839379202135E+15
Altitude
75418481.3339
Surface area
3.2839379202135E+15
Volume
7.7835049442748E+22
Height
41052621.431927