1999985 is an odd 7-digits composite number following 1999984
and preceding 1999986 . In scientific notation, it is written as 1.999985 × 10^6.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1424640 positive integers (up to 1999985) that are relatively prime to 1999985.
1999985 has 4 divisors, whose sum is 2002932
The reverse of 1999985 is 5899991
Previous prime number is 1885
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 50
Digital Root 5
Name
one million nine hundred ninety-nine thousand nine hundred eighty-five
Scientific notation
1.999985 × 10^6
Engineering notation
1.999985 × 10^6
Prime Factorization
1885 × 1061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1999985
Product of the distinct prime numbers
The prime factorization of 1999985 is 1885 × 1061.
Since it has a total of 2 prime factors.
3 , 7 , 72 , 32 , 675 , 263 , 8563 , 6732 , 61771 , 80857 , 506511 , 494942 , 3714782 , 8991771 , 64815635 , 67481477 , 526982235 , 733029065 , 4497546882 , 2818238138
n×2
3999970
n×3
5999955
n×4
7999940
n×5
9999925
n÷2
999992.5
n÷3
666661.66666667
n÷3
499996.25
n÷5
399997
n2
3999940000225
n3
7999820001349996625
n4
1.59995200054E+25
n5
3.1998800018E+31
2 √n
1414.2082590623
3 √n
125.99179000844
4 √n
37.605960419358
5 √n
18.205614721716
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
-1999984
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 1999985 can be divided by 4 positive divisors.
The sum of these divisors (counting 1999985) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000010001110001
3
Ternary
10202121110112
4
Quaternary
13220101301
5
Quinary
1002444420
6
Senary
110511105
8
Octal
7502161
10
Decimal
1999985
12
Duodecimal
805495
16
Hexadecimal
1e8471
20
Vigesimal
c9jj5
36
Base36
16v75
md5
89a0e81945957307b9f600769741f5ec
sha1
491a471eec23e633d3a8d980733079a67fe4d397
sha256
c0ab2b907a9e84caf0927a4a3159be823da7aa5b1a17c4d7c395b42ca758515c
sha512
76c5209d604c12cea6f004b3cdaf3f823fdf92b36600cc3cdd5f06a93560d6ae7f651aeb60e9f7dea637c096764af2511ebb73fead78fb51fa2c025fd69722d3
ripemd-160
e9f992cdc9c67b106fe7ce2c89b934cdd726f237
Diameter
3999970
Circumference
12566276.36658
Area
12566182119507
Volume
3.3509567661709E+19
Surface area
50264728478027
Circumference
12566276.36658
Perimeter
7999940
Area
3999940000225
Diagonal
2828405.9115428
Surface area
23999640001350
Volume
7999820001349996625
Space diagonal
3464075.6343756
Perimeter
5999955
Area
1732024826904.2
Altitude
1732037.8171878
Surface area
1732024826904.2
Volume
9.4278782853773E+17
Height
942801.97051425