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 4 prime factors and 16 positive divisors.
There are 49684608 positive integers (up to 87085761) that are relatively prime to 87085761.
87085761 has 16 divisors, whose sum is 132912000
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
7 × 3 × 709 × 5849
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87085761
Product of the distinct prime numbers
The prime factorization of 87085761 is 7 × 3 × 709 × 5849.
Since it has a total of 4 prime factors.
4 , 6 , 64 , 48 , 758 , 650 , 7800 , 1318 , 88640 , 72372 , 778907 , 778470 , 1006678 , 9985608 , 85869092 , 9436715 , 100899287 , 717104124 , 7955074480 , 246059611
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
1 , 3 , 7 , 21 , 709 , 2127 , 4963 , 5849 , 14889 , 17547 , 40943 , 122829 , 4146941 , 12440823 , 29028587 , 87085761
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
-87085760
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 87085761 can be divided by 16 positive divisors.
The sum of these divisors (counting 87085761) is 1, the average is 0.0625.
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