1998662979 is an odd 10-digits composite number following 1998662978
and preceding 1998662980 . In scientific notation, it is written as 1.998662979 × 10^9.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 1320650240 positive integers (up to 1998662979) that are relatively prime to 1998662979.
1998662979 has 8 divisors, whose sum is 2688467472
The reverse of 1998662979 is 9792668991
Previous prime number is 113
Is Prime? no Number parity odd Number length 10 Sum of Digits 66 Digital Root 3
Name
one billion nine hundred ninety-eight million six hundred sixty-two thousand nine hundred seventy-nine
Scientific notation
1.998662979 × 10^9
Engineering notation
1.998662979 × 10^9
Prime Factorization
3 × 113 × 5895761
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998662979 Product of the distinct prime numbers
The prime factorization of 1998662979 is 3 × 113 × 5895761.
Since it has a total of 3 prime factors.
6 , 3 , 82 , 45 , 270 , 755 , 2764 , 2994 , 63119 , 77274 , 149 , 383587 , 9231869 , 2103266 , 69079900 , 43900924 , 459825237 , 82324618 , 6101230952 , 2390067546
n×2
3997325958
n×3
5995988937
n×4
7994651916
n×5
9993314895
n÷2
999331489.5
n÷3
666220993
n÷3
499665744.75
n÷5
399732595.8
n2
3994653703625154441
n3
7.9839664713608E+27
n4
1.5957258211886E+37
n5
3.1893181234441E+46
2 √n44706.408701662
3 √n1259.6402304917
4 √n211.43890063482
5 √n72.468273319154
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
-1998662978 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 1998662979 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998662979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000010010110101000011
3
Ternary
12011021211121011210
4
Quaternary
1313020102311003
5
Quinary
13043124203404
6
Senary
530154141203
8
Octal
16710226503
10
Decimal
1998662979
12
Duodecimal
479421803
16
Hexadecimal
77212d43
20
Vigesimal
1b4bch8j
36
Base36
x1ya83
md5
c1714c37c59837db8e1efea009d9bd22
sha1
2dd3f1570c0e7776496b4dd38eb08cdc06b37cbc
sha256
22ab077a8fc284faa0e35e2482a5a6bca46b515104d89d3eba14e64f2b337593
sha512
c77452fa73d2769e3d892f854e76ca5338b0d1486dcdf53609d04cccadeeff3aa9b671c0d73b069d9f8a784c6f0adeb96dfdd987c5c33cb8edcd24830a3b16dd
ripemd-160
db8e309999ec5d4db96d1c42e8ebc7363287219e
Diameter
3997325958
Circumference
12557969863.657
Area
1.2549574728944E+19
Volume
3.3443160550579E+28
Surface area
5.0198298915776E+19
Circumference
12557969863.657
Perimeter
7994651916
Area
3994653703625154441
Diagonal
2826536291.5148
Surface area
2.3967922221751E+19
Volume
7.9839664713608E+27
Space diagonal
3461785826.835
Perimeter
5995988937
Area
1.7297357933305E+18
Altitude
1730892913.4175
Surface area
1.7297357933305E+18
Volume
9.4091947211088E+26
Height
942178763.83827