1998134872 is an even 10-digits composite number following 1998134871
and preceding 1998134873 . In scientific notation, it is written as 1.998134872 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 8 positive divisors.
There are 999067432 positive integers (up to 1998134872) that are relatively prime to 1998134872.
1998134872 has 8 divisors, whose sum is 3746502900
The reverse of 1998134872 is 2784318991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety-eight million one hundred thirty-four thousand eight hundred seventy-two
Scientific notation
1.998134872 × 10^9
Engineering notation
1.998134872 × 10^9
Prime Factorization
2 × 2 × 2 × 249766859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
499533718
Product of the distinct prime numbers
The prime factorization of 1998134872 is 2 × 2 × 2 × 249766859.
Since it has a total of 4 prime factors.
9 , 3 , 33 , 53 , 479 , 965 , 2055 , 6971 , 62395 , 82121 , 777947 , 585597 , 4352190 , 4799714 , 58141573 , 24541229 , 847899036 , 995067826 , 7988453539 , 8871761865
n×2
3996269744
n×3
5994404616
n×4
7992539488
n×5
9990674360
n÷2
999067436
n÷3
666044957.33333
n÷3
499533718
n÷5
399626974.4
n2
3992542966702456384
n3
7.9776393297265E+27
n4
1.5940399340965E+37
n5
3.1851067796788E+46
2 √n
44700.501921119
3 √n
1259.5292757468
4 √n
211.42493211804
5 √n
72.464443253915
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
-1998134871
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 1998134872 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998134872) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000110010001111001011000
3
Ternary
12011020211202202021
4
Quaternary
1313012101321120
5
Quinary
13043010303442
6
Senary
530134544224
8
Octal
16706217130
10
Decimal
1998134872
12
Duodecimal
479208074
16
Hexadecimal
77191e58
20
Vigesimal
1b486h3c
36
Base36
x1myqg
md5
0aeff0e38831ef88e42f9c6f3efbffc3
sha1
ef49122146d46a2581be22f0af74a04a22606e4a
sha256
3e56f90793241c600d49e5d7e9e154ab1a2cc04203bd17e31e9a94e49c74ad70
sha512
41f48bc218fc5bc8db750746a37010003b5d954e6cac22de061a75c7e65d383eef687351305370b7c5b313a219c70295bce5da343416dca5b5a14fb5ffb29d08
ripemd-160
18938275999c850abe40318be7b9c7ea3a872cf0
Diameter
3996269744
Circumference
12554651669.514
Area
1.2542943653334E+19
Volume
3.3416657481677E+28
Surface area
5.0171774613336E+19
Circumference
12554651669.514
Perimeter
7992539488
Area
3992542966702456384
Diagonal
2825789435.433
Surface area
2.3955257800215E+19
Volume
7.9776393297265E+27
Space diagonal
3460871118.6791
Perimeter
5994404616
Area
1.7288218174326E+18
Altitude
1730435559.3396
Surface area
1.7288218174326E+18
Volume
9.4017381131835E+26
Height
941929811.81101