685087690 is an even 9-digits composite number following 685087689
and preceding 685087691 . In scientific notation, it is written as 6.85087690 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 234887184 positive integers (up to 685087690) that are relatively prime to 685087690.
685087690 has 8 divisors, whose sum is 1056992544
The reverse of 685087690 is 096780586
Previous prime number is 35
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
six hundred eighty-five million eighty-seven thousand six hundred ninety
Scientific notation
6.85087690 × 10^8
Engineering notation
6.85087690 × 10^6
Prime Factorization
2 × 35 × 9786967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685087690
Product of the distinct prime numbers
The prime factorization of 685087690 is 2 × 35 × 9786967.
Since it has a total of 3 prime factors.
10 , 9 , 16 , 25 , 5 , 326 , 7539 , 5329 , 52552 , 49658 , 821559 , 808233 , 1485250 , 3866453 , 92804198 , 28018160 , 911615916 , 698542467 , 2650234930 , 1308969516
n×2
1370175380
n×3
2055263070
n×4
2740350760
n×5
3425438450
n÷2
342543845
n÷3
228362563.33333
n÷3
171271922.5
n÷5
137017538
n2
469345142989536100
n3
3.2154257982342E+26
n4
2.2028486324787E+35
n5
1.5091444810445E+44
2 √n
26174.179834333
3 √n
881.55359598248
4 √n
161.78436214398
5 √n
58.499106494705
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
-685087689
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 685087690 can be divided by 8 positive divisors.
The sum of these divisors (counting 685087690) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110101011001101111001010
3
Ternary
1202202010001122011
4
Quaternary
220311121233022
5
Quinary
2400340301230
6
Senary
151551450134
8
Octal
5065315712
10
Decimal
685087690
12
Duodecimal
17152694a
16
Hexadecimal
28d59bca
20
Vigesimal
ae1fj4a
36
Base36
bbvt1m
md5
f0f240be7093c1a03e05c11330d66ec1
sha1
2550b823d2ff3cdef26dfb986bc03e19662a25d2
sha256
f8aefff58853eae4fb1188bb37448ee624d5d2f1f1828eedff2ca74738939838
sha512
7b75b619776f9ca6b81b9cc7aef3ed7701097cca1133321366dd8fb9b91b5415cdee24d8e3adb769cc7c992c21374c12ac6c587973eb16c11e818ff152a1133e
ripemd-160
8d761b4a5a8cd9074590bb451fb200fa205e5759
Diameter
1370175380
Circumference
4304532907.9376
Area
1.474491253214E+18
Volume
1.3468744087861E+27
Surface area
5.8979650128559E+18
Circumference
4304532907.9376
Perimeter
2740350760
Area
469345142989536100
Diagonal
968860302.61285
Surface area
2816070857937216600
Volume
3.2154257982342E+26
Space diagonal
1186606686.72
Perimeter
2055263070
Area
2.0323240848589E+17
Altitude
593303343.36
Surface area
2.0323240848589E+17
Volume
3.7894156438893E+25
Height
322953434.20428