1998698549 is an odd 10-digits composite number following 1998698548
and preceding 1998698550 . In scientific notation, it is written as 1.998698549 × 10^9.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 1998584064 positive integers (up to 1998698549) that are relatively prime to 1998698549.
1998698549 has 4 divisors, whose sum is 1998813036
The reverse of 1998698549 is 9458968991
Previous prime number is 92993
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
one billion nine hundred ninety-eight million six hundred ninety-eight thousand five hundred forty-nine
Scientific notation
1.998698549 × 10^9
Engineering notation
1.998698549 × 10^9
Prime Factorization
92993 × 21493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998698549
Product of the distinct prime numbers
The prime factorization of 1998698549 is 92993 × 21493.
Since it has a total of 2 prime factors.
1 , 7 , 4 , 4 , 517 , 265 , 6595 , 5917 , 99221 , 26862 , 27096 , 988185 , 5609945 , 5350987 , 94266180 , 66180717 , 731220536 , 562229828 , 1599879280 , 6044688394
n×2
3997397098
n×3
5996095647
n×4
7994794196
n×5
9993492745
n÷2
999349274.5
n÷3
666232849.66667
n÷3
499674637.25
n÷5
399739709.8
n2
3994795889774705401
n3
7.9843927484439E+27
n4
1.5958394200961E+37
n5
3.1896019333831E+46
2 √n
44706.806517576
3 √n
1259.64770301
4 √n
211.43984136765
5 √n
72.468531259403
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
-1998698548
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 1998698549 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998698549) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000011011100000110101
3
Ternary
12011021220101222012
4
Quaternary
1313020123200311
5
Quinary
13043131323144
6
Senary
530155014005
8
Octal
16710334065
10
Decimal
1998698549
12
Duodecimal
47943a305
16
Hexadecimal
7721b835
20
Vigesimal
1b4bh679
36
Base36
x1z1o5
md5
243d0199c968e7ddaea2e9b3b09e8630
sha1
50e7642b6b71fe17fb7cecc8b86d408f3eb655e4
sha256
ec2bd70f6374adcdebee8f67a40177bf33f18c1dd70d2179f0f743171eb5f28a
sha512
8f0842a8a2325e8db502ad8b60032d28b6915db55fe0e1f414d3bb49ccc26dd88182d36262b43a59f29749d6db9a5c82092870e2e7d497c3813984b388b4cdf8
ripemd-160
c72baac5b78facec175ca514ca37ad1a4445b7a4
Diameter
3997397098
Circumference
12558193356.558
Area
1.2550021419907E+19
Volume
3.3444946135849E+28
Surface area
5.0200085679628E+19
Circumference
12558193356.558
Perimeter
7994794196
Area
3994795889774705401
Diagonal
2826586595.0912
Surface area
2.3968775338648E+19
Volume
7.9843927484439E+27
Space diagonal
3461847435.8822
Perimeter
5996095647
Area
1.7297973617393E+18
Altitude
1730923717.9411
Surface area
1.7297973617393E+18
Volume
9.4096970934689E+26
Height
942195531.69708