8991397989 (number)

8991397989 is an odd 10-digits composite number following 8991397988 and preceding 8991397990. In scientific notation, it is written as 8.991397989 × 10^9. The sum of its digits is 72. It has a total of 4 prime factors and 12 positive divisors. There are 5137941672 positive integers (up to 8991397989) that are relatively prime to 8991397989.

Interesting facts

Basic properties

Name

Name eight billion nine hundred ninety-one million three hundred ninety-seven thousand nine hundred eighty-nine

Notation

Scientific notation 8.991397989 × 10^9
Engineering notation 8.991397989 × 10^9

Prime Factorization of 8991397989

Prime Factorization 3 × 7 × 3 × 142720603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2997132663
Product of the distinct prime numbers

The prime factorization of 8991397989 is 3 × 7 × 3 × 142720603. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 40, 24, 198, 232, 9234, 73, 66595, 29443, 652849, 781055, 7196583, 1984426, 15336963, 86769965, 386718527, 670566739, 125255834, 7439691565

Basic calculations (n = 8991397989)

Multiplication

n×y
n×2 17982795978
n×3 26974193967
n×4 35965591956
n×5 44956989945

Division

n÷y
n÷2 4495698994.5
n÷3 2997132663
n÷3 2247849497.25
n÷5 1798279597.8

Exponentiation

ny
n2 8.0845237796593E+19
n3 7.2691170854452E+29
n4 6.5359524743877E+39
n5 5.8767349934409E+49

Nth Root

y√n
2√n 94822.982388238
3√n 2079.4209116627
4√n 307.93340576858
5√n 97.896112087417

Divisors of 8991397989

1, 3, 7, 9, 21, 63, 142720603, 428161809, 999044221, 1284485427, 2997132663, 8991397989

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8991397988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8991397989 can be divided by 12 positive divisors. The sum of these divisors (counting 8991397989) is 1, the average is 0.083333333333333.

Base conversion 8991397989

Base System Value
2 Binary 1000010111111011011101100001100101
3 Ternary 212012121220100021100
4 Quaternary 20113323131201211
5 Quinary 121403244213424
6 Senary 4044112510313
8 Octal 102773354145
10 Decimal 8991397989
12 Duodecimal 18ab24b399
16 Hexadecimal 217edd865
20 Vigesimal 709g4ej9
36 Base36 44p8v39

Cryptographic Hash Functions

md5 13023263619a12150e928c46e5e22c63
sha1 4a1b769b1c3302f3c891a756733569361925e083
sha256 c5d9388bb7a2c5ca671678cafbda5fa0b213bc091aedd519bb276ef08a5e2011
sha512 6752642ba5d58d983baf7b1b3225b9e3fc24ee7b5e2527be760038034e82508501ea9f665b32acf6e2a5d0e8668f7ba2005f373320beb7db6afc67cf71d21b64
ripemd-160 30ddd3c8597cff064be40069caee3b16a0ef8c4d

8991397989 as geometric shapes

Circle

Radius = n
Diameter 17982795978
Circumference 56494619735.489
Area 2.539828051395E+20

Sphere

Radius = n
Volume 3.0448806444958E+30
Surface area 1.015931220558E+21
Circumference 56494619735.489

Square

Length = n
Perimeter 35965591956
Area 8.0845237796593E+19
Diagonal 12715756980.738

Cube

Length = n
Surface area 4.8507142677956E+20
Volume 7.2691170854452E+29
Space diagonal 15573558148.021

Equilateral Triangle

Length = n
Perimeter 26974193967
Area 3.5007014853422E+19
Altitude 7786779074.0103

Triangular Pyramid

Length = n
Surface area 3.5007014853422E+19
Volume 8.5667366405954E+28
Height 4238585660.246