990197989 is an odd 9-digits composite number following 990197988
and preceding 990197990 . In scientific notation, it is written as 9.90197989 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 899510640 positive integers (up to 990197989) that are relatively prime to 990197989.
990197989 has 8 divisors, whose sum is 1081019232
The reverse of 990197989 is 989791099
Previous prime number is 1373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
nine hundred ninety million one hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
9.90197989 × 10^8
Engineering notation
9.90197989 × 10^6
Prime Factorization
11 × 1373 × 65563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
990197989
Product of the distinct prime numbers
The prime factorization of 990197989 is 11 × 1373 × 65563.
Since it has a total of 3 prime factors.
3 , 5 , 84 , 74 , 164 , 942 , 5473 , 1240 , 37912 , 92150 , 472751 , 309118 , 1059157 , 6448159 , 47071172 , 61803845 , 167824804 , 491742639 , 6228664143 , 2208847564
n×2
1980395978
n×3
2970593967
n×4
3960791956
n×5
4950989945
n÷2
495098994.5
n÷3
330065996.33333
n÷3
247549497.25
n÷5
198039597.8
n2
980492057419644121
n3
9.708812634874E+26
n4
9.6136467466301E+35
n5
9.5194136754695E+44
2 √n
31467.411539559
3 √n
996.72192899224
4 √n
177.39056214906
5 √n
62.971553583311
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
-990197988
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 990197989 can be divided by 8 positive divisors.
The sum of these divisors (counting 990197989) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000001010011100011100101
3
Ternary
2120000020021021121
4
Quaternary
323001103203211
5
Quinary
4011442313424
6
Senary
242131213541
8
Octal
7301234345
10
Decimal
990197989
12
Duodecimal
2377472b1
16
Hexadecimal
3b0538e5
20
Vigesimal
f98eej9
36
Base36
gdjdnp
md5
4b32250ac625513fa66d2601c72e73b5
sha1
178c3732c1b49ed83becb8e229b59fe66c19d83d
sha256
d99b6c800e04eddcd67a0d95317dd1e90005e99bc57c0f76f46a69d25baf3e3a
sha512
2f55b4c46d6e10fe5b3e875a3833b515c9b40f0405773286a155f41d7b82a7ad66071143433ac16cfdd411d135864acab420d2b84b300ea851d6e607153a790a
ripemd-160
7774d21fda18e6be549afe99851b2be54a35a592
Diameter
1980395978
Circumference
6221597455.6836
Area
3.0803066444927E+18
Volume
4.0668179265067E+27
Surface area
1.2321226577971E+19
Circumference
6221597455.6836
Perimeter
3960791956
Area
980492057419644121
Diagonal
1400351425.4784
Surface area
5882952344517864726
Volume
9.708812634874E+26
Space diagonal
1715073226.5005
Perimeter
2970593967
Area
4.2456551496714E+17
Altitude
857536613.25026
Surface area
4.2456551496714E+17
Volume
1.1441945418982E+26
Height
466783808.49279