1998115668 is an even 10-digits composite number following 1998115667
and preceding 1998115669 . In scientific notation, it is written as 1.998115668 × 10^9.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 663926112 positive integers (up to 1998115668) that are relatively prime to 1998115668.
1998115668 has 24 divisors, whose sum is 3637711392
The reverse of 1998115668 is 8665118991
Previous prime number is 317
Is Prime? no Number parity even Number length 10 Sum of Digits 54 Digital Root 9
Name
one billion nine hundred ninety-eight million one hundred fifteen thousand six hundred sixty-eight
Scientific notation
1.998115668 × 10^9
Engineering notation
1.998115668 × 10^9
Prime Factorization
2 × 2 × 27 × 317 × 58363
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
999057834 Product of the distinct prime numbers
The prime factorization of 1998115668 is 2 × 2 × 27 × 317 × 58363.
Since it has a total of 5 prime factors.
2 , 10 , 57 , 83 , 448 , 414 , 1095 , 7301 , 58881 , 59023 , 703638 , 429578 , 1408624 , 3232838 , 64034768 , 45237287 , 796484755 , 774364741 , 1304480162 , 8011237122
n×2
3996231336
n×3
5994347004
n×4
7992462672
n×5
9990578340
n÷2
999057834
n÷3
666038556
n÷3
499528917
n÷5
399623133.6
n2
3992466222707086224
n3
7.9774093135518E+27
n4
1.5939786539457E+37
n5
3.1849537229065E+46
2 √n44700.287113172
3 √n1259.5252406375
4 √n211.42442411692
5 √n72.464303962765
1 , 2 , 4 , 27 , 54 , 108 , 317 , 634 , 1268 , 8559 , 17118 , 34236 , 58363 , 116726 , 233452 , 1575801 , 3151602 , 6303204 , 18501071 , 37002142 , 74004284 , 499528917 , 999057834 , 1998115668
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1998115667 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998115668 can be divided by 24 positive divisors.
The sum of these divisors (counting 1998115668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111000110001101001101010100
3
Ternary
12011020210210102000
4
Quaternary
1313012031031110
5
Quinary
13043004200133
6
Senary
530134315300
8
Octal
16706151524
10
Decimal
1998115668
12
Duodecimal
4791b8b30
16
Hexadecimal
7718d354
20
Vigesimal
1b484938
36
Base36
x1mjx0
md5
36439d2bd1980d1c5033d38a883a48f3
sha1
c17f539c9bb5c7019be81141c105fa278af41f08
sha256
5a03d246b444184fa7a5cec92613968a27ceaba63c9b77e39a345ae7cbeffccb
sha512
8303ea46c35692f3c9b737a792123adbf911aa7eaf5fe67925637f1fc84a6a33f9805f901b3ca90d278684afe3f6c9863702d0378755fdfb807c767f050029af
ripemd-160
a2f0f675524a0baf8ef1ad0c35e80f351e768650
Diameter
3996231336
Circumference
12554531007.223
Area
1.2542702554962E+19
Volume
3.3415693992178E+28
Surface area
5.0170810219848E+19
Circumference
12554531007.223
Perimeter
7992462672
Area
3992466222707086224
Diagonal
2825762276.8758
Surface area
2.3954797336243E+19
Volume
7.9774093135518E+27
Space diagonal
3460837856.3754
Perimeter
5994347004
Area
1.7287885863078E+18
Altitude
1730418928.1877
Surface area
1.7287885863078E+18
Volume
9.401467036522E+26
Height
941920758.95859