1998979849 is an odd 10-digits composite number following 1998979848
and preceding 1998979850 . In scientific notation, it is written as 1.998979849 × 10^9.
The sum of its digits is 73. It has a total of 2 prime factors and 4 positive divisors.
There are 1997189136 positive integers (up to 1998979849) that are relatively prime to 1998979849.
1998979849 has 4 divisors, whose sum is 2000770564
The reverse of 1998979849 is 9489798991
Previous prime number is 1117
Is Prime? no Number parity odd Number length 10 Sum of Digits 73 Digital Root 1
Name
one billion nine hundred ninety-eight million nine hundred seventy-nine thousand eight hundred forty-nine
Scientific notation
1.998979849 × 10^9
Engineering notation
1.998979849 × 10^9
Prime Factorization
1117 × 1789597
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1998979849 Product of the distinct prime numbers
The prime factorization of 1998979849 is 1117 × 1789597.
Since it has a total of 2 prime factors.
7 , 7 , 5 , 40 , 983 , 691 , 7989 , 5575 , 65603 , 36248 , 421303 , 341536 , 6719338 , 3358004 , 60688026 , 32296520 , 402075379 , 730569623 , 4530261059 , 2731224384
n×2
3997959698
n×3
5996939547
n×4
7995919396
n×5
9994899245
n÷2
999489924.5
n÷3
666326616.33333
n÷3
499744962.25
n÷5
399795969.8
n2
3995920436708062801
n3
7.9877644311867E+27
n4
1.5967380136501E+37
n5
3.1918471134189E+46
2 √n44709.952460274
3 √n1259.7067951756
4 √n211.44728056959
5 √n72.470571011753
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
-1998979848 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 1998979849 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998979849) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001100000001100001001
3
Ternary
12011022102200211201
4
Quaternary
1313021200030021
5
Quinary
13043214323344
6
Senary
530205024201
8
Octal
16711401411
10
Decimal
1998979849
12
Duodecimal
479555061
16
Hexadecimal
77260309
20
Vigesimal
1b4dc9c9
36
Base36
x252q1
md5
6d2e1e0ee10946e64a1fcd4dc4cdb479
sha1
f6b37db636e4ccc39ec614aaf456bb60f99eac20
sha256
d564d4f42d79aa6b651f8b6876cd0b492210014e2af3fb2ff30e29594ce3d92d
sha512
1519b8f42c7df36df3f805686bbaa2d8bd0ed87833c1e88b39906d83f534b4fd4397d37c19b13fc7bee1d6d421a38a08b40591adfc8e945148cefd23347cfe58
ripemd-160
aa90fbb90153f2e72d07570c16363ae1ceef5bd1
Diameter
3997959698
Circumference
12559960816.585
Area
1.2553554288291E+19
Volume
3.3459069407496E+28
Surface area
5.0214217153165E+19
Circumference
12559960816.585
Perimeter
7995919396
Area
3995920436708062801
Diagonal
2826984413.3663
Surface area
2.3975522620248E+19
Volume
7.9877644311867E+27
Space diagonal
3462334661.7744
Perimeter
5996939547
Area
1.7302843048453E+18
Altitude
1731167330.8872
Surface area
1.7302843048453E+18
Volume
9.413670659688E+26
Height
942328137.78877