1998908247 is an odd 10-digits composite number following 1998908246
and preceding 1998908248 . In scientific notation, it is written as 1.998908247 × 10^9.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 1142233272 positive integers (up to 1998908247) that are relatively prime to 1998908247.
1998908247 has 4 divisors, whose sum is 2094094376
The reverse of 1998908247 is 7428098991
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion nine hundred ninety-eight million nine hundred eight thousand two hundred forty-seven
Scientific notation
1.998908247 × 10^9
Engineering notation
1.998908247 × 10^9
Prime Factorization
21 × 95186107
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998908247
Product of the distinct prime numbers
The prime factorization of 1998908247 is 21 × 95186107.
Since it has a total of 2 prime factors.
8 , 1 , 63 , 25 , 425 , 262 , 107 , 9184 , 61437 , 95837 , 881100 , 925112 , 8468069 , 774428 , 55203123 , 46102573 , 70582641 , 236880277 , 4957965198 , 3346684758
n×2
3997816494
n×3
5996724741
n×4
7995632988
n×5
9994541235
n÷2
999454123.5
n÷3
666302749
n÷3
499727061.75
n÷5
399781649.4
n2
3995634179924613009
n3
7.9869061142464E+27
n4
1.5965092499782E+37
n5
3.1912755061932E+46
2 √n
44709.151714163
3 √n
1259.6917544031
4 √n
211.44538707232
5 √n
72.470051835716
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998908246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998908247 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998908247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001001110101101010111
3
Ternary
12011022022001121210
4
Quaternary
1313021032231113
5
Quinary
13043210030442
6
Senary
530203312503
8
Octal
16711165527
10
Decimal
1998908247
12
Duodecimal
47951b733
16
Hexadecimal
7724eb57
20
Vigesimal
1b4d3ac7
36
Base36
x23jh3
md5
8a41f600a39100232e07349142bf7aec
sha1
68ff154cd93cae5fea5697d7f94f56fe329eff7d
sha256
b7b8f9dcb2d28cbbaf5f971535bd926d3b4c20a897517e2f9db35ef18e470f58
sha512
28c6da25d4956005529e9ccffe1711ca012974a94450ceaf02fd4b99e36c86b0f09a881fac1762057b4eb920d7dababe903cdd7f989dcf58b0aa8632c65e0ce5
ripemd-160
7862cb4be4b6bf999ea86382173b5e3ca8b538a6
Diameter
3997816494
Circumference
12559510927.951
Area
1.2552654986083E+19
Volume
3.3455474097904E+28
Surface area
5.0210619944334E+19
Circumference
12559510927.951
Perimeter
7995632988
Area
3995634179924613009
Diagonal
2826883152.8468
Surface area
2.3973805079548E+19
Volume
7.9869061142464E+27
Space diagonal
3462210643.4724
Perimeter
5996724741
Area
1.7301603520221E+18
Altitude
1731105321.7362
Surface area
1.7301603520221E+18
Volume
9.4126591234732E+26
Height
942294384.28228