1998739091 is an odd 10-digits composite number following 1998739090
and preceding 1998739092 . In scientific notation, it is written as 1.998739091 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1991363400 positive integers (up to 1998739091) that are relatively prime to 1998739091.
1998739091 has 4 divisors, whose sum is 2006114784
The reverse of 1998739091 is 1909378991
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million seven hundred thirty-nine thousand ninety-one
Scientific notation
1.998739091 × 10^9
Engineering notation
1.998739091 × 10^9
Prime Factorization
271 × 7375421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998739091
Product of the distinct prime numbers
The prime factorization of 1998739091 is 271 × 7375421.
Since it has a total of 2 prime factors.
4 , 1 , 17 , 49 , 890 , 227 , 194 , 6770 , 18429 , 2256 , 784501 , 840578 , 5244407 , 9984929 , 55818503 , 86291455 , 870293770 , 584853646 , 3095976746 , 3574987990
n×2
3997478182
n×3
5996217273
n×4
7994956364
n×5
9993695455
n÷2
999369545.5
n÷3
666246363.66667
n÷3
499684772.75
n÷5
399747818.2
n2
3994957953891506281
n3
7.9848786293443E+27
n4
1.5959689053361E+37
n5
3.1899254391157E+46
2 √n
44707.259936167
3 √n
1259.6562199341
4 √n
211.44091358147
5 √n
72.468825250246
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
-1998739090
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 1998739091 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998739091) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001000100101011010010011
3
Ternary
12011021222110120202
4
Quaternary
1313020211122103
5
Quinary
13043134122331
6
Senary
530155525415
8
Octal
16710453223
10
Decimal
1998739091
12
Duodecimal
47945986b
16
Hexadecimal
77225693
20
Vigesimal
1b4c27eb
36
Base36
x1zwyb
md5
a19b431099f31696c1f54cf6c9efc46a
sha1
3de3a3f36dc89f90847b1c037d06fe9db48397d8
sha256
6b97bce0cd1a0d9930899a90e1f4d9cd15d9f04d55ffb16e535d2e12bc9b5054
sha512
15e29d9461f624de67602dcb6d162f36573297f96cdbc9101cd98ebf3d4532dd924543548bf13c9187aa329a3abe34db2b0707ee0b7a3e770af270c0fa2a8e4d
ripemd-160
31df36375a8eb138cf4d57143d2771bd3108df28
Diameter
3997478182
Circumference
12558448089.457
Area
1.2550530559346E+19
Volume
3.3446981389006E+28
Surface area
5.0202122237383E+19
Circumference
12558448089.457
Perimeter
7994956364
Area
3994957953891506281
Diagonal
2826643930.1375
Surface area
2.3969747723349E+19
Volume
7.9848786293443E+27
Space diagonal
3461917656.686
Perimeter
5996217273
Area
1.7298675375604E+18
Altitude
1730958828.343
Surface area
1.7298675375604E+18
Volume
9.4102697096015E+26
Height
942214643.37916