1998468 is an even 7-digits composite number following 1998467
and preceding 1998469 . In scientific notation, it is written as 1.998468 × 10^6.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 650160 positive integers (up to 1998468) that are relatively prime to 1998468.
1998468 has 24 divisors, whose sum is 3979360
The reverse of 1998468 is 8648991
Previous prime number is 43
Is Prime? no
Number parity even
Number length 7
Sum of Digits 45
Digital Root 9
Name
one million nine hundred ninety-eight thousand four hundred sixty-eight
Scientific notation
1.998468 × 10^6
Engineering notation
1.998468 × 10^6
Prime Factorization
2 × 2 × 9 × 43 × 1291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
999234
Product of the distinct prime numbers
The prime factorization of 1998468 is 2 × 2 × 9 × 43 × 1291.
Since it has a total of 5 prime factors.
9 , 2 , 72 , 68 , 871 , 643 , 3131 , 7975 , 69686 , 84890 , 520024 , 741865 , 6956034 , 2918429 , 29332310 , 14206440 , 383101390 , 105380881 , 6931700513 , 9704905336
n×2
3996936
n×3
5995404
n×4
7993872
n×5
9992340
n÷2
999234
n÷3
666156
n÷3
499617
n÷5
399693.6
n2
3993874347024
n3
7981630078548359232
n4
1.5951032299816E+25
n5
3.1877627618149E+31
2 √n
1413.6718148142
3 √n
125.95992678778
4 √n
37.598827306369
5 √n
18.202852070927
1 , 2 , 4 , 9 , 18 , 36 , 43 , 86 , 172 , 387 , 774 , 1291 , 1548 , 2582 , 5164 , 11619 , 23238 , 46476 , 55513 , 111026 , 222052 , 499617 , 999234 , 1998468
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998468 can be divided by 24 positive divisors.
The sum of these divisors (counting 1998468) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111100111111010000100
3
Ternary
10202112101100
4
Quaternary
13213322010
5
Quinary
1002422333
6
Senary
110500100
8
Octal
7477204
10
Decimal
1998468
12
Duodecimal
804630
16
Hexadecimal
1e7e84
20
Vigesimal
c9g38
36
Base36
16u10
md5
a93a0b824f5b4972ebbe37f0a92c42ca
sha1
74da63399850919580426b5445191017793b2906
sha256
63b4c2e0005671543689a6d62e736e5ed447e73ca74b57dbd1124122d19394c8
sha512
6fec9d3a7d27cfacdfd117c4b6f7055f2e1536546e161220e3f16e5e5e891ebac3f4cf40951ce869ebf1a34d670d09d5febff1058226f7725f56b94626bfa411
ripemd-160
f701524ac4eefa3f2d481cdc94709ae2b9afe2a3
Diameter
3996936
Circumference
12556744.774469
Area
12547126307971
Volume
3.3433373891252E+19
Surface area
50188505231885
Circumference
12556744.774469
Perimeter
7993872
Area
3993874347024
Diagonal
2826260.5495686
Surface area
23963246082144
Volume
7981630078548359232
Space diagonal
3461448.1133006
Perimeter
5995404
Area
1729398322022.9
Altitude
1730724.0566503
Surface area
1729398322022.9
Volume
9.4064412557734E+17
Height
942086.84985621