1998617911 is an odd 10-digits composite number following 1998617910
and preceding 1998617912 . In scientific notation, it is written as 1.998617911 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1928734080 positive integers (up to 1998617911) that are relatively prime to 1998617911.
1998617911 has 8 divisors, whose sum is 2068570800
The reverse of 1998617911 is 1197168991
Previous prime number is 2129
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety-eight million six hundred seventeen thousand nine hundred eleven
Scientific notation
1.998617911 × 10^9
Engineering notation
1.998617911 × 10^9
Prime Factorization
29 × 2129 × 32371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998617911
Product of the distinct prime numbers
The prime factorization of 1998617911 is 29 × 2129 × 32371.
Since it has a total of 3 prime factors.
8 , 2 , 35 , 99 , 162 , 505 , 975 , 2113 , 9033 , 47356 , 319913 , 595471 , 5466942 , 9283951 , 50031838 , 13412274 , 87263996 , 743761962 , 7066959586 , 2597103996
n×2
3997235822
n×3
5995853733
n×4
7994471644
n×5
9993089555
n÷2
999308955.5
n÷3
666205970.33333
n÷3
499654477.75
n÷5
399723582.2
n2
3994473554170003921
n3
7.98342639038E+27
n4
1.5955818974964E+37
n5
3.1889585588036E+46
2 √n
44705.904654755
3 √n
1259.6307625134
4 √n
211.43770868687
5 √n
72.46794649771
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
-1998617910
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 1998617911 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998617911) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000000111110100110111
3
Ternary
12011021202022100121
4
Quaternary
1313020013310313
5
Quinary
13043121233121
6
Senary
530153152411
8
Octal
16710076467
10
Decimal
1998617911
12
Duodecimal
4793bb707
16
Hexadecimal
77207d37
20
Vigesimal
1b4b74fb
36
Base36
x1xbg7
md5
f8e1fea2604647bfec0022dc7d3bdea3
sha1
7ec5ece47b13fb548707c94d8c7762fce68b60b5
sha256
b32a95c3427fb3a0447c50ff0c614ec694e6f7f4403c708e390e50a756b16573
sha512
869df81de03a49615d0343e53f449d5cbd1a8fea439323acb5dad201adb56a1e9b799dfd382d1c70f1e4e3eab13c20fbc4d1834240da7654aa49a2948fc9beb4
ripemd-160
b97ab2bcc2f2ccaaac3f5d7b5730e7531cacf97a
Diameter
3997235822
Circumference
12557686693.061
Area
1.2549008772739E+19
Volume
3.3440898264657E+28
Surface area
5.0196035090957E+19
Circumference
12557686693.061
Perimeter
7994471644
Area
3994473554170003921
Diagonal
2826472555.738
Surface area
2.396684132502E+19
Volume
7.98342639038E+27
Space diagonal
3461707766.7692
Perimeter
5995853733
Area
1.7296577863282E+18
Altitude
1730853883.3846
Surface area
1.7296577863282E+18
Volume
9.4085582295689E+26
Height
942157518.57933