1689986 is an even 7-digits composite number following 1689985
and preceding 1689987 . In scientific notation, it is written as 1.689986 × 10^6.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 823536 positive integers (up to 1689986) that are relatively prime to 1689986.
1689986 has 12 divisors, whose sum is 2600982
The reverse of 1689986 is 6899861
Previous prime number is 43
Is Prime? no
Number parity even
Number length 7
Sum of Digits 47
Digital Root 2
Name
one million six hundred eighty-nine thousand nine hundred eighty-six
Scientific notation
1.689986 × 10^6
Engineering notation
1.689986 × 10^6
Prime Factorization
2 × 43 × 43 × 457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39302
Product of the distinct prime numbers
The prime factorization of 1689986 is 2 × 43 × 43 × 457.
Since it has a total of 4 prime factors.
4 , 9 , 58 , 40 , 360 , 209 , 6209 , 4846 , 24657 , 1228 , 407236 , 294746 , 8668902 , 3542972 , 51006840 , 14868667 , 695771074 , 237717463 , 4825314755 , 9574663450
n×2
3379972
n×3
5069958
n×4
6759944
n×5
8449930
n÷2
844993
n÷3
563328.66666667
n÷3
422496.5
n÷5
337997.2
n2
2856052680196
n3
4826689044793717256
n4
8.1570369120548E+24
n5
1.3785278182856E+31
2 √n
1299.9946153735
3 √n
119.11351360477
4 √n
36.055438083228
5 √n
17.602591940863
1 , 2 , 43 , 86 , 457 , 914 , 1849 , 3698 , 19651 , 39302 , 844993 , 1689986
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
-1689985
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 1689986 can be divided by 12 positive divisors.
The sum of these divisors (counting 1689986) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110011100100110000010
3
Ternary
10011212020002
4
Quaternary
12130212002
5
Quinary
413034421
6
Senary
100120002
8
Octal
6344602
10
Decimal
1689986
12
Duodecimal
696002
16
Hexadecimal
19c982
20
Vigesimal
ab4j6
36
Base36
10802
md5
892b3ee9ca7e79daeafc39dd1c36261a
sha1
04f8d5eccb960beda4ba72f765a50b4674eb8741
sha256
e6b833d5e2e4d90c98eb3ae690e47ab02c66a5272c49575880a7448be4d0af7f
sha512
7cab06790343fd4bcbe48c634d27a1da12235c024beff0386193e6c4040c9894a395e83c0531605e0f44b882d1b7f9866d2ba168854b122eeede61a5e89a467d
ripemd-160
4d4ef7b1a3a59bae51dc04f5e8259767ccabf322
Diameter
3379972
Circumference
10618495.204539
Area
8972554118369.2
Volume
2.0217987792382E+19
Surface area
35890216473477
Circumference
10618495.204539
Perimeter
6759944
Area
2856052680196
Diagonal
2390001.1214207
Surface area
17136316081176
Volume
4826689044793717256
Space diagonal
2927141.6160801
Perimeter
5069958
Area
1236707087798.2
Altitude
1463570.80804
Surface area
1236707087798.2
Volume
5.6883075904208E+17
Height
796667.04047355