1998908246 is an even 10-digits composite number following 1998908245
and preceding 1998908247 . In scientific notation, it is written as 1.998908246 × 10^9.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 939189504 positive integers (up to 1998908246) that are relatively prime to 1998908246.
1998908246 has 16 divisors, whose sum is 3179708784
The reverse of 1998908246 is 6428098991
Previous prime number is 643
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million nine hundred eight thousand two hundred forty-six
Scientific notation
1.998908246 × 10^9
Engineering notation
1.998908246 × 10^9
Prime Factorization
2 × 17 × 643 × 91433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998908246
Product of the distinct prime numbers
The prime factorization of 1998908246 is 2 × 17 × 643 × 91433.
Since it has a total of 4 prime factors.
3 , 10 , 13 , 64 , 693 , 244 , 6387 , 82 , 50562 , 29342 , 162254 , 407853 , 5244340 , 5017003 , 25806250 , 87909651 , 819729562 , 560579265 , 3626036737 , 8095502889
n×2
3997816492
n×3
5996724738
n×4
7995632984
n×5
9994541230
n÷2
999454123
n÷3
666302748.66667
n÷3
499727061.5
n÷5
399781649.2
n2
3995634175926796516
n3
7.9869061022595E+27
n4
1.5965092467834E+37
n5
3.1912754982106E+46
2 √n
44709.151702979
3 √n
1259.6917541931
4 √n
211.44538704587
5 √n
72.470051828465
1 , 2 , 17 , 34 , 643 , 1286 , 10931 , 21862 , 91433 , 182866 , 1554361 , 3108722 , 58791419 , 117582838 , 999454123 , 1998908246
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
-1998908245
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 1998908246 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998908246) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001001001110101101010110
3
Ternary
12011022022001121202
4
Quaternary
1313021032231112
5
Quinary
13043210030441
6
Senary
530203312502
8
Octal
16711165526
10
Decimal
1998908246
12
Duodecimal
47951b732
16
Hexadecimal
7724eb56
20
Vigesimal
1b4d3ac6
36
Base36
x23jh2
md5
630a278960cc0dc5d91b6f96b6e3aa9e
sha1
d95770fd1703660fe80152c89403f7c0b6882b90
sha256
cc3cafcf679138cd6e7a36cef39f8c9b88c2ff3a8d69258fbed801aeb80264ab
sha512
36eb03d9e20abbd6b0dcd9865fe1a1d9dba3974d21c86106707e07d75b65158c84c0d09c347f8a5547999382692019d5c6e2cae18aefb0bb1637c79517ae8b42
ripemd-160
f38d5e11bd62d9a90bc46322dccdd1f350c00859
Diameter
3997816492
Circumference
12559510921.667
Area
1.2552654973524E+19
Volume
3.3455474047693E+28
Surface area
5.0210619894096E+19
Circumference
12559510921.667
Perimeter
7995632984
Area
3995634175926796516
Diagonal
2826883151.4326
Surface area
2.3973805055561E+19
Volume
7.9869061022595E+27
Space diagonal
3462210641.7404
Perimeter
5996724738
Area
1.730160350291E+18
Altitude
1731105320.8702
Surface area
1.730160350291E+18
Volume
9.4126591093465E+26
Height
942294383.81087