1998256913 is an odd 10-digits composite number following 1998256912
and preceding 1998256914 . In scientific notation, it is written as 1.998256913 × 10^9.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 1951785780 positive integers (up to 1998256913) that are relatively prime to 1998256913.
1998256913 has 4 divisors, whose sum is 2044728048
The reverse of 1998256913 is 3196528991
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 53
Digital Root 8
Name
one billion nine hundred ninety-eight million two hundred fifty-six thousand nine hundred thirteen
Scientific notation
1.998256913 × 10^9
Engineering notation
1.998256913 × 10^9
Prime Factorization
43 × 46471091
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998256913
Product of the distinct prime numbers
The prime factorization of 1998256913 is 43 × 46471091.
Since it has a total of 2 prime factors.
5 , 8 , 13 , 75 , 82 , 567 , 4010 , 2123 , 3224 , 45326 , 569968 , 939959 , 1255666 , 4326319 , 26545211 , 35056697 , 808523060 , 506320650 , 9670710494 , 6658199979
n×2
3996513826
n×3
5994770739
n×4
7993027652
n×5
9991284565
n÷2
999128456.5
n÷3
666085637.66667
n÷3
499564228.25
n÷5
399651382.6
n2
3993030690352289569
n3
7.9791011808176E+27
n4
1.5944294094095E+37
n5
3.1860795896431E+46
2 √n
44701.866996805
3 √n
1259.5549181738
4 √n
211.42816036849
5 √n
72.465328421097
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
-1998256912
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 1998256913 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998256913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000110101111101100010001
3
Ternary
12011021001222011022
4
Quaternary
1313012233230101
5
Quinary
13043023210123
6
Senary
530141325225
8
Octal
16706575421
10
Decimal
1998256913
12
Duodecimal
479266815
16
Hexadecimal
771afb11
20
Vigesimal
1b49225d
36
Base36
x1pkwh
md5
fc90fe27c758a28fc1041b00b0a7f3be
sha1
5b0726db3a3975d651d1338b97d4ef3e3499b9f9
sha256
8c5d63a967ac47cc4ece74613d957bf3a3b0822471b968078d4f138a4da6705e
sha512
437be9f9495c298b1d9289d6cef91a3ebb38c6ab7e29996bf9670e47b86ba5e880c612fcdbbb3596e3c056b4504da817b2073ee6dafe0284a0ace9167e21a4a5
ripemd-160
1f758a916cf8cd1a245b5aa1c81efcb262606358
Diameter
3996513826
Circumference
12555418475.732
Area
1.2544475882369E+19
Volume
3.3422780869208E+28
Surface area
5.0177903529477E+19
Circumference
12555418475.732
Perimeter
7993027652
Area
3993030690352289569
Diagonal
2825962027.4704
Surface area
2.3958184142114E+19
Volume
7.9791011808176E+27
Space diagonal
3461082499.8917
Perimeter
5994770739
Area
1.729033007968E+18
Altitude
1730541249.9459
Surface area
1.729033007968E+18
Volume
9.4034609212162E+26
Height
941987342.49013