85655681 is an odd 8-digits composite number following 85655680
and preceding 85655682 . In scientific notation, it is written as 8.5655681 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 84039120 positive integers (up to 85655681) that are relatively prime to 85655681.
85655681 has 8 divisors, whose sum is 87282624
The reverse of 85655681 is 18655658
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-five million six hundred fifty-five thousand six hundred eighty-one
Scientific notation
8.5655681 × 10^7
Engineering notation
8.5655681 × 10^6
Prime Factorization
67 × 263 × 4861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
85655681
Product of the distinct prime numbers
The prime factorization of 85655681 is 67 × 263 × 4861.
Since it has a total of 3 prime factors.
2 , 1 , 77 , 42 , 227 , 726 , 1817 , 8547 , 32437 , 56251 , 225338 , 342568 , 3249487 , 7154176 , 8831272 , 28174833 , 797782226 , 969786986 , 442884661 , 6718318295
n×2
171311362
n×3
256967043
n×4
342622724
n×5
428278405
n÷2
42827840.5
n÷3
28551893.666667
n÷3
21413920.25
n÷5
17131136.2
n2
7336895687573761
n3
6.2844679654509E+23
n4
5.3830038330338E+31
n5
4.6108485914412E+39
2 √n
9255.0354402347
3 √n
440.81062856521
4 √n
96.203094753935
5 √n
38.596794219859
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
-85655680
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 85655681 can be divided by 8 positive divisors.
The sum of these divisors (counting 85655681) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110000000010000001
3
Ternary
12222011202111122
4
Quaternary
11012300002001
5
Quinary
133411440211
6
Senary
12255522025
8
Octal
506600201
10
Decimal
85655681
12
Duodecimal
24829315
16
Hexadecimal
51b0081
20
Vigesimal
16f6j41
36
Base36
1ezwch
md5
3a0e7a04e81dfe716e1a02895187ead7
sha1
3225909fdcdb1e0ab515ef202312e2dddb8bf4a7
sha256
8e124627bb944635172594a97bbe5cb74924acd05e8c6d3e5eef1b7b9fd2e9ed
sha512
387ecb7aa3e09b092ea8722aad4a7e692dcf7e70e598959463e09d8c1107c13262f31a8dc2b78b4a0d033d397a00444cfea0001427f44937a9918e03eaf8c416
ripemd-160
5a3998042fa50b5a29d0b65fa9ddc60634b45931
Diameter
171311362
Circumference
538190516.33566
Area
2.3049537592236E+16
Volume
2.6324317855975E+24
Surface area
9.2198150368945E+16
Circumference
538190516.33566
Perimeter
342622724
Area
7336895687573761
Diagonal
121135425.7645
Surface area
44021374125442566
Volume
6.2844679654509E+23
Space diagonal
148359991.44891
Perimeter
256967043
Area
3.1769690251777E+15
Altitude
74179995.724456
Surface area
3.1769690251777E+15
Volume
7.4063165242E+22
Height
40378475.254834