1900989 is an odd 7-digits composite number following 1900988
and preceding 1900990 . In scientific notation, it is written as 1.900989 × 10^6.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 1267164 positive integers (up to 1900989) that are relatively prime to 1900989.
1900989 has 8 divisors, whose sum is 2190720
The reverse of 1900989 is 9890091
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
one million nine hundred thousand nine hundred eighty-nine
Scientific notation
1.900989 × 10^6
Engineering notation
1.900989 × 10^6
Prime Factorization
27 × 9 × 7823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1900989
Product of the distinct prime numbers
The prime factorization of 1900989 is 27 × 9 × 7823.
Since it has a total of 3 prime factors.
8 , 9 , 96 , 12 , 92 , 337 , 5600 , 6766 , 13160 , 59474 , 181447 , 495618 , 116110 , 8707013 , 37757627 , 43946152 , 666031896 , 483082724 , 7723534140 , 4502136341
n×2
3801978
n×3
5702967
n×4
7603956
n×5
9504945
n÷2
950494.5
n÷3
633663
n÷3
475247.25
n÷5
380197.8
n2
3613759178121
n3
6869716446257061669
n4
1.3059255397454E+25
n5
2.482550085875E+31
2 √n
1378.7635765424
3 √n
123.87771937824
4 √n
37.131705812451
5 √n
18.021706841976
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
-1900988
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 1900989 can be divided by 8 positive divisors.
The sum of these divisors (counting 1900989) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010000000110111101
3
Ternary
10120120200000
4
Quaternary
13100012331
5
Quinary
441312424
6
Senary
104424513
8
Octal
7200675
10
Decimal
1900989
12
Duodecimal
778139
16
Hexadecimal
1d01bd
20
Vigesimal
bhc99
36
Base36
14qt9
md5
518ae30760c618582bead6107af31cd2
sha1
ec3fd2a7b7fa01afb9c4739f27be1fc4d1f74b23
sha256
7bed372ca693ac0a951c7885e140f2d24bacc86a36bbc1ed74606aad98a5d305
sha512
cd784a8a2582367df54823db8b57029d2bdc8a082e16dde57cdd32f4cca415a1891a914f7db103ef078b7bcbf57b735b18a988858b29f1007186afec68b66c61
ripemd-160
9c5e46ded52979ffbe78b0df1b299442c4a0594c
Diameter
3801978
Circumference
11944266.15391
Area
11352959285828
Volume
2.8775800959742E+19
Surface area
45411837143310
Circumference
11944266.15391
Perimeter
7603956
Area
3613759178121
Diagonal
2688404.4257221
Surface area
21682555068726
Volume
6869716446257061669
Space diagonal
3292609.5326296
Perimeter
5702967
Area
1564803625706
Altitude
1646304.7663148
Surface area
1564803625706
Volume
8.0960384732952E+17
Height
896134.80857402