85686987 is an odd 8-digits composite number following 85686986
and preceding 85686988 . In scientific notation, it is written as 8.5686987 × 10^7.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 53207040 positive integers (up to 85686987) that are relatively prime to 85686987.
85686987 has 16 divisors, whose sum is 122224032
The reverse of 85686987 is 78968658
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
eighty-five million six hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
8.5686987 × 10^7
Engineering notation
8.5686987 × 10^6
Prime Factorization
3 × 17 × 97 × 17321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
85686987
Product of the distinct prime numbers
The prime factorization of 85686987 is 3 × 17 × 97 × 17321.
Since it has a total of 4 prime factors.
4 , 3 , 100 , 44 , 48 , 105 , 1097 , 9910 , 81603 , 6714 , 108632 , 255967 , 8926059 , 6406320 , 2433614 , 23727772 , 934383301 , 951047020 , 3718949505 , 6670017586
n×2
171373974
n×3
257060961
n×4
342747948
n×5
428434935
n÷2
42843493.5
n÷3
28562329
n÷3
21421746.75
n÷5
17137397.4
n2
7342259741138169
n3
6.2913611498953E+23
n4
5.3908778106338E+31
n5
4.6192807687837E+39
2 √n
9256.7265812489
3 √n
440.86432547699
4 √n
96.211883783912
5 √n
38.599615129379
1 , 3 , 17 , 51 , 97 , 291 , 1649 , 4947 , 17321 , 51963 , 294457 , 883371 , 1680137 , 5040411 , 28562329 , 85686987
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
-85686986
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 85686987 can be divided by 16 positive divisors.
The sum of these divisors (counting 85686987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101000110110111101011001011
3
Ternary
12222020100110010
4
Quaternary
11012313223023
5
Quinary
133413440422
6
Senary
12300323003
8
Octal
506675313
10
Decimal
85686987
12
Duodecimal
24843463
16
Hexadecimal
51b7acb
20
Vigesimal
16fah97
36
Base36
1f0ki3
md5
6557e9fc3228569ec5d6720f8e758ea5
sha1
cdaa804979dc575ccc389701753f97b058f3428d
sha256
857faef8a9c60d23033851969ab7adfd18e7ed6d6b62f3ed0b12ad0a17531f70
sha512
393b7edfc639a2116a2a5e1eb682c71ebf3c8b42fa52932138442c748d0a0f587f34882d7ee6d8fb8673ab6552681f2e29e829323d6e463e823512c46523a4f8
ripemd-160
d0731813a4df238486cfbd94269f600707ceceac
Diameter
171373974
Circumference
538387217.73489
Area
2.3066389263508E+16
Volume
2.6353191959455E+24
Surface area
9.2265557054031E+16
Circumference
538387217.73489
Perimeter
342747948
Area
7342259741138169
Diagonal
121179699.13429
Surface area
44053558446829014
Volume
6.2913611498953E+23
Space diagonal
148414215.03149
Perimeter
257060961
Area
3.1792917285047E+15
Altitude
74207107.515747
Surface area
3.1792917285047E+15
Volume
7.4144402199743E+22
Height
40393233.044762