1689985 is an odd 7-digits composite number following 1689984
and preceding 1689986 . In scientific notation, it is written as 1.689985 × 10^6.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 1229040 positive integers (up to 1689985) that are relatively prime to 1689985.
1689985 has 8 divisors, whose sum is 2212416
The reverse of 1689985 is 5899861
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1
Name
one million six hundred eighty-nine thousand nine hundred eighty-five
Scientific notation
1.689985 × 10^6
Engineering notation
1.689985 × 10^6
Prime Factorization
5 × 11 × 30727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1689985
Product of the distinct prime numbers
The prime factorization of 1689985 is 5 × 11 × 30727.
Since it has a total of 3 prime factors.
6 , 9 , 2 , 30 , 811 , 137 , 5452 , 1535 , 9660 , 36621 , 661431 , 858643 , 3467491 , 3850843 , 9114486 , 46088946 , 44826910 , 961180672 , 2509761106 , 7223338697
n×2
3379970
n×3
5069955
n×4
6759940
n×5
8449925
n÷2
844992.5
n÷3
563328.33333333
n÷3
422496.25
n÷5
337997
n2
2856049300225
n3
4826680476640746625
n4
8.1570176053157E+24
n5
1.3785237397719E+31
2 √n
1299.9942307564
3 √n
119.11349011078
4 √n
36.055432749538
5 √n
17.602589857698
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
-1689984
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 1689985 can be divided by 8 positive divisors.
The sum of these divisors (counting 1689985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011100100110000001
3
Ternary
10011212020001
4
Quaternary
12130212001
5
Quinary
413034420
6
Senary
100120001
8
Octal
6344601
10
Decimal
1689985
12
Duodecimal
696001
16
Hexadecimal
19c981
20
Vigesimal
ab4j5
36
Base36
10801
md5
bb8d5be9bb0b51e3e37e4593a465c4a3
sha1
50eadad7dd1efd429e91f1e469f324b7ee3fb504
sha256
1de720d7fa977d664a7733eb04e89109470963641922f85e2224cc7caf83076b
sha512
14bee6734cbbde2017f774eaaa9d0bd262cb5f41c03d94ebbce0884d27481975a2f29f5216d89c339a217216693a9a12d7dd67b8d8a5d98ce7590a19352a8661
ripemd-160
60ec4b0e23dfcc581373cf704ffaafe2e554bf63
Diameter
3379970
Circumference
10618488.921354
Area
8972543499877.1
Volume
2.0217951902186E+19
Surface area
35890173999509
Circumference
10618488.921354
Perimeter
6759940
Area
2856049300225
Diagonal
2389999.7072071
Surface area
17136295801350
Volume
4826680476640746625
Space diagonal
2927139.8840293
Perimeter
5069955
Area
1236705624227.8
Altitude
1463569.9420146
Surface area
1236705624227.8
Volume
5.6882974927556E+17
Height
796666.56906903