685656145 is an odd 9-digits composite number following 685656144
and preceding 685656146 . In scientific notation, it is written as 6.85656145 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 548524912 positive integers (up to 685656145) that are relatively prime to 685656145.
685656145 has 4 divisors, whose sum is 822787380
The reverse of 685656145 is 541656586
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred eighty-five million six hundred fifty-six thousand one hundred forty-five
Scientific notation
6.85656145 × 10^8
Engineering notation
6.85656145 × 10^6
Prime Factorization
5 × 137131229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
685656145
Product of the distinct prime numbers
The prime factorization of 685656145 is 5 × 137131229.
Since it has a total of 2 prime factors.
6 , 6 , 27 , 36 , 20 , 35 , 1999 , 9612 , 15840 , 57229 , 522293 , 693311 , 2207571 , 4327577 , 91053650 , 67426551 , 713735789 , 565926649 , 3674638012 , 7609569612
n×2
1371312290
n×3
2056968435
n×4
2742624580
n×5
3428280725
n÷2
342828072.5
n÷3
228552048.33333
n÷3
171414036.25
n÷5
137131229
n2
470124349176261025
n3
3.2234364892683E+26
n4
2.210169036884E+35
n5
1.5154159816283E+44
2 √n
26185.036662186
3 √n
881.79735310403
4 √n
161.81791205607
5 √n
58.508811260519
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685656144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685656145 can be divided by 4 positive divisors.
The sum of these divisors (counting 685656145) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110111100100100001010001
3
Ternary
1202210011221102001
4
Quaternary
220313210201101
5
Quinary
2401011444040
6
Senary
152011554001
8
Octal
5067444121
10
Decimal
685656145
12
Duodecimal
17175b901
16
Hexadecimal
28de4851
20
Vigesimal
ae57075
36
Base36
bc7zo1
md5
718672358b13d1b0075a0c1c2a1042ed
sha1
172a85b76af92cf8e681c43b8be43f3c6c74ed56
sha256
70442104a9461ac538c5359f24440f86003c60cd6d3e7b434505d12b43dd520b
sha512
37c3bce5b1ee8ee706a35a76e766429c524709a038ef175908693dd5b483b8d78d81e73473cdd29dfae2d74ef747e5565904112f99ef8c622f0d054000183a2d
ripemd-160
bd994c4e66a28fc851971261d2a64b14853f1b8f
Diameter
1371312290
Circumference
4308104616.0414
Area
1.4769392016458E+18
Volume
1.3502299191998E+27
Surface area
5.9077568065833E+18
Circumference
4308104616.0414
Perimeter
2742624580
Area
470124349176261025
Diagonal
969664219.38345
Surface area
2820746095057566150
Volume
3.2234364892683E+26
Space diagonal
1187591279.6618
Perimeter
2056968435
Area
2.0356981466213E+17
Altitude
593795639.83091
Surface area
2.0356981466213E+17
Volume
3.7988563338096E+25
Height
323221406.46115