1998495 is an odd 7-digits composite number following 1998494
and preceding 1998496 . In scientific notation, it is written as 1.998495 × 10^6.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 1051776 positive integers (up to 1998495) that are relatively prime to 1998495.
1998495 has 16 divisors, whose sum is 2880000
The reverse of 1998495 is 5948991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 45
Digital Root 9
Name
one million nine hundred ninety-eight thousand four hundred ninety-five
Scientific notation
1.998495 × 10^6
Engineering notation
1.998495 × 10^6
Prime Factorization
15 × 3 × 89 × 499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998495
Product of the distinct prime numbers
The prime factorization of 1998495 is 15 × 3 × 89 × 499.
Since it has a total of 4 prime factors.
2 , 10 , 53 , 76 , 545 , 711 , 3075 , 9002 , 91569 , 64473 , 476093 , 461200 , 7529334 , 4620822 , 42330139 , 93024498 , 86813700 , 371386424 , 1482659598 , 546566888
n×2
3996990
n×3
5995485
n×4
7993980
n×5
9992475
n÷2
999247.5
n÷3
666165
n÷3
499623.75
n÷5
399699
n2
3993982265025
n3
7981953586741137375
n4
1.5951894333334E+25
n5
3.1879781065697E+31
2 √n
1413.6813643817
3 √n
125.96049403941
4 √n
37.598954299045
5 √n
18.202901256038
1 , 3 , 15 , 45 , 89 , 267 , 499 , 1335 , 1497 , 4005 , 7485 , 22455 , 44411 , 133233 , 666165 , 1998495
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998494
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998495 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998495) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100111111010011111
3
Ternary
10202112102100
4
Quaternary
13213322133
5
Quinary
1002422440
6
Senary
110500143
8
Octal
7477237
10
Decimal
1998495
12
Duodecimal
804653
16
Hexadecimal
1e7e9f
20
Vigesimal
c9g4f
36
Base36
16u1r
md5
9b1d11625fff7d1e79b22e9479527d72
sha1
0aaf7333b1284599d2c182df660edff1cf1936e0
sha256
9841165cdc5adf16d43ae4506119745c5a71a5a7b7c7e615eae747e7ecdd9ba3
sha512
b70b9179c5ff8f28f5dc4272ca854f174c9d9067fb3b0c94dd6839c979a1be4abb40e1f0f92bd753cf67f4756495747926de274e53952ea51afd309e0bbb757b
ripemd-160
aac6560d7f0175c4a42d19cf1d837c78a3290186
Diameter
3996990
Circumference
12556914.420472
Area
12547465342370
Volume
3.3434728999201E+19
Surface area
50189861369482
Circumference
12556914.420472
Perimeter
7993980
Area
3993982265025
Diagonal
2826298.7333348
Surface area
23963893590150
Volume
7981953586741137375
Space diagonal
3461494.8786724
Perimeter
5995485
Area
1729445051888.1
Altitude
1730747.4393362
Surface area
1729445051888.1
Volume
9.4068225138349E+17
Height
942099.57777827