1985087 is an odd 7-digits composite number following 1985086
and preceding 1985088 . In scientific notation, it is written as 1.985087 × 10^6.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 1782432 positive integers (up to 1985087) that are relatively prime to 1985087.
1985087 has 4 divisors, whose sum is 1989696
The reverse of 1985087 is 7805891
Previous prime number is 481
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million nine hundred eighty-five thousand eighty-seven
Scientific notation
1.985087 × 10^6
Engineering notation
1.985087 × 10^6
Prime Factorization
481 × 4127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1985087
Product of the distinct prime numbers
The prime factorization of 1985087 is 481 × 4127.
Since it has a total of 2 prime factors.
5 , 1 , 61 , 11 , 591 , 161 , 5601 , 3751 , 43547 , 42897 , 925450 , 890341 , 4514722 , 1317733 , 28357831 , 39261507 , 546316834 , 684427224 , 6933524005 , 4344711374
n×2
3970174
n×3
5955261
n×4
7940348
n×5
9925435
n÷2
992543.5
n÷3
661695.66666667
n÷3
496271.75
n÷5
397017.4
n2
3940570397569
n3
7822375068799053503
n4
1.5528095058197E+25
n5
3.0824619634791E+31
2 √n
1408.9311551669
3 √n
125.67817002942
4 √n
37.535731712156
5 √n
18.178410614302
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
-1985086
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 1985087 can be divided by 4 positive divisors.
The sum of these divisors (counting 1985087) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100101000111111
3
Ternary
10201212000202
4
Quaternary
13210220333
5
Quinary
1002010322
6
Senary
110314115
8
Octal
7445077
10
Decimal
1985087
12
Duodecimal
7b893b
16
Hexadecimal
1e4a3f
20
Vigesimal
c82e7
36
Base36
16jpb
md5
7871ec7b390d4e9d93b08fa185649ea7
sha1
58d15521508a4918a886e9df2834de4d8d5980cd
sha256
5cbcea39564654a0a76584e899d217079c14836a8350e63d68cf7f85b5fc88e0
sha512
f6c12c62a6502a92733d1d6ee27ccb5bbbc0ab36109d03b6f53d800af4a52d81bc9edd06b14311888f78194427e59d9e4e53861da47d1f2a0b1091f2d2effb9e
ripemd-160
d4cb27d827cff1ec1b1077deaa9fe10127c164f8
Diameter
3970174
Circumference
12472669.471873
Area
12379667011956
Volume
3.2766288066351E+19
Surface area
49518668047825
Circumference
12472669.471873
Perimeter
7940348
Area
3940570397569
Diagonal
2807336.9578905
Surface area
23643422385414
Volume
7822375068799053503
Space diagonal
3438271.5414445
Perimeter
5955261
Area
1706317034847.8
Altitude
1719135.7707222
Surface area
1706317034847.8
Volume
9.2187574268873E+17
Height
935778.98596351