1998790636 is an even 10-digits composite number following 1998790635
and preceding 1998790637 . In scientific notation, it is written as 1.998790636 × 10^9.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 998266832 positive integers (up to 1998790636) that are relatively prime to 1998790636.
1998790636 has 12 divisors, whose sum is 3501833328
The reverse of 1998790636 is 6360978991
Previous prime number is 887
Is Prime? no
Number parity even
Number length 10
Sum of Digits 58
Digital Root 4
Name
one billion nine hundred ninety-eight million seven hundred ninety thousand six hundred thirty-six
Scientific notation
1.998790636 × 10^9
Engineering notation
1.998790636 × 10^9
Prime Factorization
2 × 2 × 887 × 563357
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
999395318
Product of the distinct prime numbers
The prime factorization of 1998790636 is 2 × 2 × 887 × 563357.
Since it has a total of 4 prime factors.
8 , 2 , 16 , 29 , 244 , 688 , 9489 , 3473 , 60363 , 53797 , 501777 , 798303 , 4173999 , 172697 , 15579876 , 30426130 , 561228030 , 299886788 , 1896523317 , 7616289438
n×2
3997581272
n×3
5996371908
n×4
7995162544
n×5
9993953180
n÷2
999395318
n÷3
666263545.33333
n÷3
499697659
n÷5
399758127.2
n2
3995164006561284496
n3
7.9854964055989E+27
n4
1.5961335439323E+37
n5
3.1903367814173E+46
2 √n
44707.836404818
3 √n
1259.6670481645
4 √n
211.44227676796
5 √n
72.469199022599
1 , 2 , 4 , 887 , 1774 , 3548 , 563357 , 1126714 , 2253428 , 499697659 , 999395318 , 1998790636
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998790635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998790636 can be divided by 12 positive divisors.
The sum of these divisors (counting 1998790636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111001000110001111111101100
3
Ternary
12011022002002021211
4
Quaternary
1313020301333230
5
Quinary
13043142300021
6
Senary
530201004204
8
Octal
16710617754
10
Decimal
1998790636
12
Duodecimal
479483664
16
Hexadecimal
77231fec
20
Vigesimal
1b4c8gbg
36
Base36
x210q4
md5
ba63d48009fe5a2c965361cfefcef4f3
sha1
d5fe665d3303abe3234a8bdec699e955bf665baf
sha256
22705ade754d512ad60788272bba55dc49ee45983a0531e5c06c8fa8f0dc0ca8
sha512
f22c683c041b967b2df45f48a7dcf01d4fec29616b1e8dc84c1a6b88403098ebca5180cb42588fd9c9acba1df2744cfbabff5d34f95da16cbbc4a3da93f168ef
ripemd-160
cb613febb5775eadc92cdc37de17cfe42624c9c7
Diameter
3997581272
Circumference
12558771956.243
Area
1.2551177892899E+19
Volume
3.344956912413E+28
Surface area
5.0204711571597E+19
Circumference
12558771956.243
Perimeter
7995162544
Area
3995164006561284496
Diagonal
2826716825.7755
Surface area
2.3970984039368E+19
Volume
7.9854964055989E+27
Space diagonal
3462006935.2449
Perimeter
5996371908
Area
1.7299567609836E+18
Altitude
1731003467.6225
Surface area
1.7299567609836E+18
Volume
9.4109977658997E+26
Height
942238941.92518