990197989 (number)

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.

Interesting facts

Basic properties

Name

Name nine hundred ninety million one hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 9.90197989 × 10^8
Engineering notation 9.90197989 × 10^6

Prime Factorization of 990197989

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.

Most popular turbo-numbers

Basic calculations (n = 990197989)

Multiplication

n×y
n×2 1980395978
n×3 2970593967
n×4 3960791956
n×5 4950989945

Division

n÷y
n÷2 495098994.5
n÷3 330065996.33333
n÷3 247549497.25
n÷5 198039597.8

Exponentiation

ny
n2 980492057419644121
n3 9.708812634874E+26
n4 9.6136467466301E+35
n5 9.5194136754695E+44

Nth Root

y√n
2√n 31467.411539559
3√n 996.72192899224
4√n 177.39056214906
5√n 62.971553583311

Divisors of 990197989

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 conversion 990197989

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

Cryptographic Hash Functions

md5 4b32250ac625513fa66d2601c72e73b5
sha1 178c3732c1b49ed83becb8e229b59fe66c19d83d
sha256 d99b6c800e04eddcd67a0d95317dd1e90005e99bc57c0f76f46a69d25baf3e3a
sha512 2f55b4c46d6e10fe5b3e875a3833b515c9b40f0405773286a155f41d7b82a7ad66071143433ac16cfdd411d135864acab420d2b84b300ea851d6e607153a790a
ripemd-160 7774d21fda18e6be549afe99851b2be54a35a592

990197989 as geometric shapes

Circle

Radius = n
Diameter 1980395978
Circumference 6221597455.6836
Area 3.0803066444927E+18

Sphere

Radius = n
Volume 4.0668179265067E+27
Surface area 1.2321226577971E+19
Circumference 6221597455.6836

Square

Length = n
Perimeter 3960791956
Area 980492057419644121
Diagonal 1400351425.4784

Cube

Length = n
Surface area 5882952344517864726
Volume 9.708812634874E+26
Space diagonal 1715073226.5005

Equilateral Triangle

Length = n
Perimeter 2970593967
Area 4.2456551496714E+17
Altitude 857536613.25026

Triangular Pyramid

Length = n
Surface area 4.2456551496714E+17
Volume 1.1441945418982E+26
Height 466783808.49279