685280989 is an odd 9-digits composite number following 685280988
and preceding 685280990 . In scientific notation, it is written as 6.85280989 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 684571356 positive integers (up to 685280989) that are relatively prime to 685280989.
685280989 has 4 divisors, whose sum is 685990624
The reverse of 685280989 is 989082586
Previous prime number is 967
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred eighty-five million two hundred eighty thousand nine hundred eighty-nine
Scientific notation
6.85280989 × 10^8
Engineering notation
6.85280989 × 10^6
Prime Factorization
967 × 708667
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
685280989
Product of the distinct prime numbers
The prime factorization of 685280989 is 967 × 708667.
Since it has a total of 2 prime factors.
6 , 7 , 49 , 82 , 897 , 630 , 2733 , 406 , 52620 , 92746 , 211997 , 137128 , 3796672 , 5481642 , 87999946 , 34691374 , 992283591 , 80379556 , 320123342 , 3760629063
n×2
1370561978
n×3
2055842967
n×4
2741123956
n×5
3426404945
n÷2
342640494.5
n÷3
228426996.33333
n÷3
171320247.25
n÷5
137056197.8
n2
469610033884818121
n3
3.2181482846491E+26
n4
2.205335839253E+35
n5
1.5112747250004E+44
2 √n
26177.872125137
3 √n
881.63649894851
4 √n
161.7957728902
5 √n
58.502407252537
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
-685280988
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 685280989 can be divided by 4 positive divisors.
The sum of these divisors (counting 685280989) is 1, the average is 0.25.
Base
System
Value
2
Binary
101000110110001000111011011101
3
Ternary
1202202110212210101
4
Quaternary
220312020323131
5
Quinary
2400412442424
6
Senary
151555541101
8
Octal
5066107335
10
Decimal
685280989
12
Duodecimal
1715ba791
16
Hexadecimal
28d88edd
20
Vigesimal
ae30299
36
Base36
bbzy71
md5
c34b61cb7df22361ddb4d97911543766
sha1
bd451ec3ad1e038ff41bc98b8efe3601aa63dcbe
sha256
eec17443265b4c890f697cb37e04f4a0fb5ccf76202351eedb1cd89e38b9d792
sha512
106e5012043680356e20a180e29aa41b07ccef79960129ebe402e882ca17b45c082055831244df87f386e35f1ddb18ec1bbd697785d940cf5521c0bc58ae6526
ripemd-160
ffd32e175548b5d7d2f456e43b82b6bf6d82be2b
Diameter
1370561978
Circumference
4305747441.3743
Area
1.4753234325046E+18
Volume
1.3480148012288E+27
Surface area
5.9012937300184E+18
Circumference
4305747441.3743
Perimeter
2741123956
Area
469610033884818121
Diagonal
969133668.68025
Surface area
2817660203308908726
Volume
3.2181482846491E+26
Space diagonal
1186941490.409
Perimeter
2055842967
Area
2.0334710960816E+17
Altitude
593470745.20452
Surface area
2.0334710960816E+17
Volume
3.7926241248987E+25
Height
323044556.22675