685996839 is an odd 9-digits composite number following 685996838
and preceding 685996840 . In scientific notation, it is written as 6.85996839 × 10^8.
The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors.
There are 414159120 positive integers (up to 685996839) that are relatively prime to 685996839.
685996839 has 8 divisors, whose sum is 695587200
The reverse of 685996839 is 938699586
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 63
Digital Root 9
Name
six hundred eighty-five million nine hundred ninety-six thousand eight hundred thirty-nine
Scientific notation
6.85996839 × 10^8
Engineering notation
6.85996839 × 10^6
Prime Factorization
99 × 263 × 26347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685996839
Product of the distinct prime numbers
The prime factorization of 685996839 is 99 × 263 × 26347.
Since it has a total of 3 prime factors.
10 , 7 , 21 , 22 , 729 , 271 , 2471 , 5151 , 26859 , 72047 , 490661 , 677395 , 1128174 , 7092643 , 84092716 , 22312566 , 731636924 , 300005570 , 3108865845 , 2412089866
n×2
1371993678
n×3
2057990517
n×4
2743987356
n×5
3429984195
n÷2
342998419.5
n÷3
228665613
n÷3
171499209.75
n÷5
137199367.8
n2
470591663117991921
n3
3.228243933587E+26
n4
2.2145651339616E+35
n5
1.5191846816573E+44
2 √n
26191.541363578
3 √n
881.94338029493
4 √n
161.83800963796
5 √n
58.514624565151
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
-685996838
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 685996839 can be divided by 8 positive divisors.
The sum of these divisors (counting 685996839) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000111000110111101100100111
3
Ternary
1202210211020202100
4
Quaternary
220320313230213
5
Quinary
2401103344324
6
Senary
152023143143
8
Octal
5070675447
10
Decimal
685996839
12
Duodecimal
1718a4ab3
16
Hexadecimal
28e37b27
20
Vigesimal
ae79c1j
36
Base36
bcfajr
md5
e4f47ee3504562a938a5cfad1c472dcf
sha1
a50b09bd465fc6c97e98cc0fdc8a665208fe5cdd
sha256
a304c2db244324aa31e811133becbb53676887eba1e99d618ffa2c0dcb83a717
sha512
953fc406a5bd17ae1f8a92cc6fd7a2a88df2ab21249680455a3e4b23b918365268cb540206b5eb12290c334fa4b3aefed9c67e20a422a987d11c21ebece932b2
ripemd-160
c63386bef3e526f0c27e450d952fd862c841682b
Diameter
1371993678
Circumference
4310245259.5764
Area
1.4784073116921E+18
Volume
1.352243656767E+27
Surface area
5.9136292467683E+18
Circumference
4310245259.5764
Perimeter
2743987356
Area
470591663117991921
Diagonal
970146033.45887
Surface area
2823549978707951526
Volume
3.228243933587E+26
Space diagonal
1188181378.9796
Perimeter
2057990517
Area
2.0377216753467E+17
Altitude
594090689.48982
Surface area
2.0377216753467E+17
Volume
3.8045219612728E+25
Height
323382011.15296