1685890668 is an even 10-digits composite number following 1685890667
and preceding 1685890669 . In scientific notation, it is written as 1.685890668 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 437892000 positive integers (up to 1685890668) that are relatively prime to 1685890668.
1685890668 has 12 divisors, whose sum is 2952144552
The reverse of 1685890668 is 8660985861
Previous prime number is 1617
Is Prime? no Number parity even Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion six hundred eighty-five million eight hundred ninety thousand six hundred sixty-eight
Scientific notation
1.685890668 × 10^9
Engineering notation
1.685890668 × 10^9
Prime Factorization
2 × 2 × 1617 × 260651
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
842945334 Product of the distinct prime numbers
The prime factorization of 1685890668 is 2 × 2 × 1617 × 260651.
Since it has a total of 4 prime factors.
7 , 1 , 42 , 100 , 466 , 478 , 5602 , 7678 , 79716 , 87043 , 900584 , 2740 , 145986 , 5013532 , 26786124 , 93048481 , 288205597 , 435294939 , 3789323280 , 9939406537
n×2
3371781336
n×3
5057672004
n×4
6743562672
n×5
8429453340
n÷2
842945334
n÷3
561963556
n÷3
421472667
n÷5
337178133.6
n2
2842227344449486224
n3
4.7916845563418E+27
n4
8.0782562775364E+36
n5
1.3619056872011E+46
2 √n41059.598975148
3 √n1190.172201147
4 √n202.6316830487
5 √n70.043184235904
1 , 2 , 4 , 1617 , 3234 , 6468 , 260651 , 521302 , 1042604 , 421472667 , 842945334 , 1685890668
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1685890667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1685890668 can be divided by 12 positive divisors.
The sum of these divisors (counting 1685890668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100100011111001010011001101100
3
Ternary
11100111022010020010
4
Quaternary
1210133022121230
5
Quinary
11423042000133
6
Senary
435142253220
8
Octal
14437123154
10
Decimal
1685890668
12
Duodecimal
3b0727210
16
Hexadecimal
647ca66c
20
Vigesimal
166gg6d8
36
Base36
rvqhkc
md5
1e6a987576db2f2f2385a8d5ed50dbb5
sha1
e9800d4f7dbbee38be5b98e6f055598327fd0899
sha256
5ff861374f89988146c9bf5ad65abc79d145ed88613714441793cabfc2344fda
sha512
7b09fe18c48d16ed5f716a25ba4b320382f0d90026db6950a2b3c005caff3731a12725b3efa3faf149c4464c87293645aa286dfff9e08bdcaeb2194575748dcc
ripemd-160
057e4e5ab251de4193aa94a2cfde83dbdb6c5265
Diameter
3371781336
Circumference
10592763474.689
Area
8.9291205451545E+18
Volume
2.0071361334031E+28
Surface area
3.5716482180618E+19
Circumference
10592763474.689
Perimeter
6743562672
Area
2842227344449486224
Diagonal
2384209447.3638
Surface area
1.7053364066697E+19
Volume
4.7916845563418E+27
Space diagonal
2920048292.9822
Perimeter
5057672004
Area
1.230720541812E+18
Altitude
1460024146.4911
Surface area
1.230720541812E+18
Volume
5.6470544051602E+26
Height
794736482.45461