1998123 is an odd 7-digits composite number following 1998122
and preceding 1998124 . In scientific notation, it is written as 1.998123 × 10^6.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 1332080 positive integers (up to 1998123) that are relatively prime to 1998123.
1998123 has 4 divisors, whose sum is 2664168
The reverse of 1998123 is 3218991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million nine hundred ninety-eight thousand one hundred twenty-three
Scientific notation
1.998123 × 10^6
Engineering notation
1.998123 × 10^6
Prime Factorization
3 × 666041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998123
Product of the distinct prime numbers
The prime factorization of 1998123 is 3 × 666041.
Since it has a total of 2 prime factors.
9 , 1 , 68 , 44 , 382 , 882 , 2200 , 3687 , 79325 , 61881 , 415695 , 619907 , 7637015 , 1213259 , 80509081 , 96648840 , 379810176 , 908773522 , 6167736699 , 6503830662
n×2
3996246
n×3
5994369
n×4
7992492
n×5
9990615
n÷2
999061.5
n÷3
666041
n÷3
499530.75
n÷5
399624.6
n2
3992495523129
n3
7977497132161086867
n4
1.5940020502205E+25
n5
3.1850121585928E+31
2 √n
1413.5497868841
3 √n
125.9526781227
4 √n
37.5972045089
5 √n
18.202223547712
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
-1998122
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 1998123 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998123) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111110100101011
3
Ternary
10202111220120
4
Quaternary
13213310223
5
Quinary
1002414443
6
Senary
110454323
8
Octal
7476453
10
Decimal
1998123
12
Duodecimal
8043a3
16
Hexadecimal
1e7d2b
20
Vigesimal
c9f63
36
Base36
16trf
md5
489276e0e0d907db4116e570283d37a9
sha1
d0a1513762ad87393eaf6f5bcbc12491ffca8d81
sha256
53e75d732344239f97d657a61efc4a03d18bc65a22d194cac2a1c4eb6976e6e0
sha512
dd4b1980ab5b02047730f20ddade01509b09967670399277466c108fcda4e804076c3844ac4b54793ab7fee8e6888aad10b446be45c78656d217e00772a575db
ripemd-160
d4a3d283a1cc08a3fb00ec469163f3d5a0454d5d
Diameter
3996246
Circumference
12554577.075538
Area
12542794604952
Volume
3.3416061845908E+19
Surface area
50171178419809
Circumference
12554577.075538
Perimeter
7992492
Area
3992495523129
Diagonal
2825772.6458896
Surface area
23954973138774
Volume
7977497132161086867
Space diagonal
3460850.5557719
Perimeter
5994369
Area
1728801273762.7
Altitude
1730425.277886
Surface area
1728801273762.7
Volume
9.4015705317456E+17
Height
941924.21529654