1998698542 is an even 10-digits composite number following 1998698541
and preceding 1998698543 . In scientific notation, it is written as 1.998698542 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 999136992 positive integers (up to 1998698542) that are relatively prime to 1998698542.
1998698542 has 8 divisors, whose sum is 2998684656
The reverse of 1998698542 is 2458968991
Previous prime number is 4817
Is Prime? no
Number parity even
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-eight million six hundred ninety-eight thousand five hundred forty-two
Scientific notation
1.998698542 × 10^9
Engineering notation
1.998698542 × 10^9
Prime Factorization
2 × 4817 × 207463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998698542
Product of the distinct prime numbers
The prime factorization of 1998698542 is 2 × 4817 × 207463.
Since it has a total of 3 prime factors.
7 , 10 , 12 , 95 , 58 , 482 , 4977 , 712 , 4071 , 40655 , 29150 , 533157 , 3469468 , 5324857 , 75441536 , 45112667 , 817392289 , 766566932 , 5450612998 , 9520681137
n×2
3997397084
n×3
5996095626
n×4
7994794168
n×5
9993492710
n÷2
999349271
n÷3
666232847.33333
n÷3
499674635.5
n÷5
399739708.4
n2
3994795861792925764
n3
7.9843926645532E+27
n4
1.5958393977398E+37
n5
3.1896018775287E+46
2 √n
44706.806439288
3 √n
1259.6477015394
4 √n
211.43984118252
5 √n
72.468531208642
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
-1998698541
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 1998698542 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998698542) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000011011100000101110
3
Ternary
12011021220101221221
4
Quaternary
1313020123200232
5
Quinary
13043131323132
6
Senary
530155013554
8
Octal
16710334056
10
Decimal
1998698542
12
Duodecimal
47943a2ba
16
Hexadecimal
7721b82e
20
Vigesimal
1b4bh672
36
Base36
x1z1ny
md5
0e4396262109cc732fd4d2e634426942
sha1
f029e6841154a2dca7c3cd89c6464423c467e4df
sha256
17d3b962f746835fa83ca8fb2b9db3a12853fb250d6ad87810b0afbb2270ac20
sha512
7011e3175e85fabeedacc26aaa9e1059691acc8832772bfcdcd1e6567ce2d24bbdc5dc884d3dc4cb26016fdb721be829bba90d44a23ddb4ee9ea1a2b493c710c
ripemd-160
fccf00ad91b7e97871e6144e1963fc423ef186a0
Diameter
3997397084
Circumference
12558193312.576
Area
1.2550021332E+19
Volume
3.3444945784449E+28
Surface area
5.0200085327998E+19
Circumference
12558193312.576
Perimeter
7994794168
Area
3994795861792925764
Diagonal
2826586585.1917
Surface area
2.3968775170758E+19
Volume
7.9843926645532E+27
Space diagonal
3461847423.7578
Perimeter
5996095626
Area
1.7297973496228E+18
Altitude
1730923711.8789
Surface area
1.7297973496228E+18
Volume
9.4096969946028E+26
Height
942195528.39724