1989756989 (number)

1989756989 is an odd 10-digits composite number following 1989756988 and preceding 1989756990. In scientific notation, it is written as 1.989756989 × 10^9. The sum of its digits is 71. It has a total of 3 prime factors and 8 positive divisors. There are 1808092000 positive integers (up to 1989756989) that are relatively prime to 1989756989.

Interesting facts

Basic properties

Name

Name one billion nine hundred eighty-nine million seven hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.989756989 × 10^9
Engineering notation 1.989756989 × 10^9

Prime Factorization of 1989756989

Prime Factorization 11 × 2399 × 75401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1989756989
Product of the distinct prime numbers

The prime factorization of 1989756989 is 11 × 2399 × 75401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1989756989)

Multiplication

n×y
n×2 3979513978
n×3 5969270967
n×4 7959027956
n×5 9948784945

Division

n÷y
n÷2 994878494.5
n÷3 663252329.66667
n÷3 497439247.25
n÷5 397951397.8

Exponentiation

ny
n2 3959132875274346121
n3 7.8777123089568E+27
n4 1.5674733124078E+37
n5 3.1188909784344E+46

Nth Root

y√n
2√n 44606.692199714
3√n 1257.766469938
4√n 211.20296446715
5√n 72.403574551351

Divisors of 1989756989

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 -1989756988
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 1989756989 can be divided by 8 positive divisors. The sum of these divisors (counting 1989756989) is 1, the average is 0.125.

Base conversion 1989756989

Base System Value
2 Binary 1110110100110010100100000111101
3 Ternary 12010200002010110022
4 Quaternary 1312212110200331
5 Quinary 13033334210424
6 Senary 525235221525
8 Octal 16646244075
10 Decimal 1989756989
12 Duodecimal 4764478a5
16 Hexadecimal 7699483d
20 Vigesimal 1b1fjc99
36 Base36 wwnebh

Cryptographic Hash Functions

md5 8495eec51bf8553f749ad79cfab5076a
sha1 a461a63b1df39291243b8bc040462bb40f4aded7
sha256 2b384015f3ac828ee23a273d98bc5416d12c22cbdacd5b9d99a120d85555928d
sha512 9396cdc60c73a914ff84736ac221155db5ca59908191542b03815670041847fabcec261eafcfa55882625346d9956d47063ac0fa89cdcf397ed1ad138125fca4
ripemd-160 788dbe8bc22ae50309f5e6eb8decaf27b91f3b1e

1989756989 as geometric shapes

Circle

Radius = n
Diameter 3979513978
Circumference 12502011878.143
Area 1.2437982755548E+19

Sphere

Radius = n
Volume 3.2998084155883E+28
Surface area 4.9751931022191E+19
Circumference 12502011878.143

Square

Length = n
Perimeter 7959027956
Area 3959132875274346121
Diagonal 2813941319.6705

Cube

Length = n
Surface area 2.3754797251646E+19
Volume 7.8777123089568E+27
Space diagonal 3446360199.6633

Equilateral Triangle

Length = n
Perimeter 5969270967
Area 1.7143548234729E+18
Altitude 1723180099.8316

Triangular Pyramid

Length = n
Surface area 1.7143548234729E+18
Volume 9.2839729898335E+26
Height 937980439.89015