1998134871 is an odd 10-digits composite number following 1998134870
and preceding 1998134872 . In scientific notation, it is written as 1.998134871 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1330989312 positive integers (up to 1998134871) that are relatively prime to 1998134871.
1998134871 has 8 divisors, whose sum is 2666381040
The reverse of 1998134871 is 1784318991
Previous prime number is 1213
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred ninety-eight million one hundred thirty-four thousand eight hundred seventy-one
Scientific notation
1.998134871 × 10^9
Engineering notation
1.998134871 × 10^9
Prime Factorization
3 × 1213 × 549089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998134871
Product of the distinct prime numbers
The prime factorization of 1998134871 is 3 × 1213 × 549089.
Since it has a total of 3 prime factors.
7 , 9 , 38 , 86 , 970 , 517 , 5264 , 5419 , 37199 , 8208 , 109338 , 504952 , 1331462 , 5051278 , 57085292 , 39344141 , 173955960 , 824285258 , 3006283342 , 6330979432
n×2
3996269742
n×3
5994404613
n×4
7992539484
n×5
9990674355
n÷2
999067435.5
n÷3
666044957
n÷3
499533717.75
n÷5
399626974.2
n2
3992542962706186641
n3
7.9776393177489E+27
n4
1.5940399309055E+37
n5
3.1851067717086E+46
2 √n
44700.501909934
3 √n
1259.5292755367
4 √n
211.42493209159
5 √n
72.464443246662
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
-1998134870
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 1998134871 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998134871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000110010001111001010111
3
Ternary
12011020211202202020
4
Quaternary
1313012101321113
5
Quinary
13043010303441
6
Senary
530134544223
8
Octal
16706217127
10
Decimal
1998134871
12
Duodecimal
479208073
16
Hexadecimal
77191e57
20
Vigesimal
1b486h3b
36
Base36
x1myqf
md5
232487f5e2ed3da1dda3bd5d96ac4d91
sha1
9f545da0cfcf9bec7a22b897cac235438c1ac63f
sha256
b468b9bb240a3aeef8e8990b7e40e27ab7b11b0ea8a9112ac0cecbeb07e3705c
sha512
55d3ad4f3eee9d13622ff88c11d57c5462ec9e08e59ff00fbfb939add9f1d85dd3b775bd61bf46f9fb0beebbdf0d7f284a709fe52849a3ea422dd6014c7219df
ripemd-160
bf7e32d8f1c3e7ddba589c06775a10ddbc7bfc2d
Diameter
3996269742
Circumference
12554651663.23
Area
1.2542943640779E+19
Volume
3.3416657431505E+28
Surface area
5.0171774563118E+19
Circumference
12554651663.23
Perimeter
7992539484
Area
3992542962706186641
Diagonal
2825789434.0188
Surface area
2.3955257776237E+19
Volume
7.9776393177489E+27
Space diagonal
3460871116.9471
Perimeter
5994404613
Area
1.7288218157022E+18
Altitude
1730435558.4735
Surface area
1.7288218157022E+18
Volume
9.4017380990678E+26
Height
941929811.3396