1998520 is an even 7-digits composite number following 1998519
and preceding 1998521 . In scientific notation, it is written as 1.998520 × 10^6.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 752128 positive integers (up to 1998520) that are relatively prime to 1998520.
1998520 has 16 divisors, whose sum is 3792600
The reverse of 1998520 is 0258991
Previous prime number is 85
Is Prime? no
Number parity even
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million nine hundred ninety-eight thousand five hundred twenty
Scientific notation
1.998520 × 10^6
Engineering notation
1.998520 × 10^6
Prime Factorization
2 × 2 × 2 × 85 × 2939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
499630
Product of the distinct prime numbers
The prime factorization of 1998520 is 2 × 2 × 2 × 85 × 2939.
Since it has a total of 5 prime factors.
7 , 7 , 61 , 79 , 370 , 178 , 6712 , 1296 , 89536 , 87071 , 801440 , 815496 , 1319041 , 609705 , 26377352 , 70020387 , 743639867 , 387251524 , 3675825678 , 3905974552
n×2
3997040
n×3
5995560
n×4
7994080
n×5
9992600
n÷2
999260
n÷3
666173.33333333
n÷3
499630
n÷5
399704
n2
3994082190400
n3
7982253139158208000
n4
1.595269254367E+25
n5
3.1881775102376E+31
2 √n
1413.6902065163
3 √n
125.96101926785
4 √n
37.599071883708
5 √n
18.202946797333
1 , 2 , 4 , 8 , 85 , 170 , 340 , 680 , 2939 , 5878 , 11756 , 23512 , 249815 , 499630 , 999260 , 1998520
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
-1998519
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 1998520 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100111111010111000
3
Ternary
10202112110021
4
Quaternary
13213322320
5
Quinary
1002423040
6
Senary
110500224
8
Octal
7477270
10
Decimal
1998520
12
Duodecimal
804674
16
Hexadecimal
1e7eb8
20
Vigesimal
c9g60
36
Base36
16u2g
md5
0cfae06c2cc3ef6f5ead015165c5fbe1
sha1
54d387b92387712fba10ca8534cf0a372be0cc3e
sha256
545f5577e44e0019fa3bd3944dfaf4dfb7e3ecba7512f0e39f0b633a64001823
sha512
fbc40867e3790fafd4a7a9030fa3229730c00c5401805767bd0f7f49c48f7b22d6a01e6d6411b442eb4a530e164e727857b9a9afd49ad6526f80ec39d6d638a9
ripemd-160
a22d95808bce05c2af3d42e2fab6090ffb2191d5
Diameter
3997040
Circumference
12557071.500105
Area
12547779267194
Volume
3.3435983761431E+19
Surface area
50191117068778
Circumference
12557071.500105
Perimeter
7994080
Area
3994082190400
Diagonal
2826334.0886739
Surface area
23964493142400
Volume
7982253139158208000
Space diagonal
3461538.1799426
Perimeter
5995560
Area
1729488320844.7
Altitude
1730769.0899713
Surface area
1729488320844.7
Volume
9.407175539744E+17
Height
942111.36289129