1998498238 is an even 10-digits composite number following 1998498237
and preceding 1998498239 . In scientific notation, it is written as 1.998498238 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 908408280 positive integers (up to 1998498238) that are relatively prime to 1998498238.
1998498238 has 8 divisors, whose sum is 3270269880
The reverse of 1998498238 is 8328948991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-eight million four hundred ninety-eight thousand two hundred thirty-eight
Scientific notation
1.998498238 × 10^9
Engineering notation
1.998498238 × 10^9
Prime Factorization
2 × 11 × 90840829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998498238
Product of the distinct prime numbers
The prime factorization of 1998498238 is 2 × 11 × 90840829.
Since it has a total of 3 prime factors.
5 , 1 , 73 , 75 , 812 , 256 , 3138 , 7647 , 68595 , 27131 , 915890 , 40987 , 6599332 , 4614426 , 83854755 , 50355151 , 39563050 , 57141576 , 3277758759 , 4717930181
n×2
3996996476
n×3
5995494714
n×4
7993992952
n×5
9992491190
n÷2
999249119
n÷3
666166079.33333
n÷3
499624559.5
n÷5
399699647.6
n2
3993995207289104644
n3
7.9819923843477E+27
n4
1.5951997715848E+37
n5
3.1880039327703E+46
2 √n
44704.566187359
3 √n
1259.6056206725
4 √n
211.43454350545
5 √n
72.467078631548
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998498237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998498238 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998498238) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000111101010100110111110
3
Ternary
12011021112020012021
4
Quaternary
1313013222212332
5
Quinary
13043103420423
6
Senary
530150430354
8
Octal
16707524676
10
Decimal
1998498238
12
Duodecimal
4793623ba
16
Hexadecimal
771ea9be
20
Vigesimal
1b4ac5bi
36
Base36
x1ur3y
md5
a8032c2fa1a91a34904acca8f24dc3d8
sha1
10ff630e16f169556b02a9e5bccae864cef4a340
sha256
e109a53ce735e7025bc0e0431733ae01c465127dd8e146713d887ceddb3c91cd
sha512
07965b7a23abee3856a231c3fc0935cd9124068f9681bffd0cefb9f65b487d66cab6f0b1c3b8698c484d425abe059333082ebb40993f36a5e07cb4ac07ba9ed5
ripemd-160
8b231b5ccb7074d1626db88c4e5dcd63ff710dfb
Diameter
3996996476
Circumference
12556934765.426
Area
1.2547506001692E+19
Volume
3.3434891514235E+28
Surface area
5.0190024006769E+19
Circumference
12556934765.426
Perimeter
7993992952
Area
3993995207289104644
Diagonal
2826303312.5583
Surface area
2.3963971243735E+19
Volume
7.9819923843477E+27
Space diagonal
3461500487.0529
Perimeter
5995494714
Area
1.7294506560528E+18
Altitude
1730750243.5264
Surface area
1.7294506560528E+18
Volume
9.4068682372528E+26
Height
942101104.18611