1998980 is an even 7-digits composite number following 1998979
and preceding 1998981 . In scientific notation, it is written as 1.998980 × 10^6.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 792288 positive integers (up to 1998980) that are relatively prime to 1998980.
1998980 has 24 divisors, whose sum is 4236288
The reverse of 1998980 is 0898991
Previous prime number is 127
Is Prime? no
Number parity even
Number length 7
Sum of Digits 44
Digital Root 8
Name
one million nine hundred ninety-eight thousand nine hundred eighty
Scientific notation
1.998980 × 10^6
Engineering notation
1.998980 × 10^6
Prime Factorization
2 × 2 × 5 × 127 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
999490
Product of the distinct prime numbers
The prime factorization of 1998980 is 2 × 2 × 5 × 127 × 787.
Since it has a total of 5 prime factors.
9 , 6 , 45 , 56 , 475 , 534 , 7536 , 9250 , 74518 , 91563 , 162775 , 731155 , 6691441 , 8091954 , 8222101 , 8130228 , 243448059 , 188984154 , 9287394323 , 7759580852
n×2
3997960
n×3
5996940
n×4
7995920
n×5
9994900
n÷2
999490
n÷3
666326.66666667
n÷3
499745
n÷5
399796
n2
3995921040400
n3
7987766241338792000
n4
1.5967384961111E+25
n5
3.1918483189563E+31
2 √n
1413.8528919233
3 √n
125.97068268944
4 √n
37.601235244648
5 √n
18.203784675835
1 , 2 , 4 , 5 , 10 , 20 , 127 , 254 , 508 , 635 , 787 , 1270 , 1574 , 2540 , 3148 , 3935 , 7870 , 15740 , 99949 , 199898 , 399796 , 499745 , 999490 , 1998980
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
-1998979
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 1998980 can be divided by 24 positive divisors.
The sum of these divisors (counting 1998980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101000000010000100
3
Ternary
10202120002022
4
Quaternary
13220002010
5
Quinary
1002431410
6
Senary
110502312
8
Octal
7500204
10
Decimal
1998980
12
Duodecimal
804998
16
Hexadecimal
1e8084
20
Vigesimal
c9h90
36
Base36
16uf8
md5
7b97f4d2c767c6fefeb078a3190a8fb0
sha1
0b6bfacc302ae9cde676219ee1e15d184e6995ce
sha256
e28d0d20875137db04a048ff422bd98e757f92d025fec7230d171ccf604fa742
sha512
d237dfb59fbff31fa24b413aa4ce2da54c985ecfb844b9c9b1a9484a273d9671f08ad0d236075d0bf254702ed37c1d84030167cc3ab2c23914b791ccd464510c
ripemd-160
5d961b3b779f44d3c7061237eb77951e8bff52c1
Diameter
3997960
Circumference
12559961.765346
Area
12553556184846
Volume
3.3459076989843E+19
Surface area
50214224739382
Circumference
12559961.765346
Perimeter
7995920
Area
3995921040400
Diagonal
2826984.6269126
Surface area
23975526242400
Volume
7987766241338792000
Space diagonal
3462334.923314
Perimeter
5996940
Area
1730284566251.6
Altitude
1731167.461657
Surface area
1730284566251.6
Volume
9.4136727929727E+17
Height
942328.20897086