1991231089 (number)

1991231089 is an odd 10-digits composite number following 1991231088 and preceding 1991231090. In scientific notation, it is written as 1.991231089 × 10^9. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 1893871056 positive integers (up to 1991231089) that are relatively prime to 1991231089.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million two hundred thirty-one thousand eighty-nine

Notation

Scientific notation 1.991231089 × 10^9
Engineering notation 1.991231089 × 10^9

Prime Factorization of 1991231089

Prime Factorization 67 × 29 × 1024823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1991231089
Product of the distinct prime numbers

The prime factorization of 1991231089 is 67 × 29 × 1024823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991231089)

Multiplication

n×y
n×2 3982462178
n×3 5973693267
n×4 7964924356
n×5 9956155445

Division

n÷y
n÷2 995615544.5
n÷3 663743696.33333
n÷3 497807772.25
n÷5 398246217.8

Exponentiation

ny
n2 3965001249800125921
n3 7.8952337565259E+27
n4 1.5721234910917E+37
n5 3.1304611712089E+46

Nth Root

y√n
2√n 44623.21244599
3√n 1258.0769962806
4√n 211.24207072927
5√n 72.414299327867

Divisors of 1991231089

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 -1991231088
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 1991231089 can be divided by 8 positive divisors. The sum of these divisors (counting 1991231089) is 1, the average is 0.125.

Base conversion 1991231089

Base System Value
2 Binary 1110110101011111100011001110001
3 Ternary 12010202212000112121
4 Quaternary 1312223330121301
5 Quinary 13034223343324
6 Senary 525330554241
8 Octal 16653743161
10 Decimal 1991231089
12 Duodecimal 476a38981
16 Hexadecimal 76afc671
20 Vigesimal 1b253he9
36 Base36 wxizqp

Cryptographic Hash Functions

md5 5ae01bdd77d29dc51159be418c0889bb
sha1 06df38123dcfa5a8106c4861e75502556906e833
sha256 1394000689e1ce7226ce46ba55d116b41744f1d578666f0153aaf485fdf2ee35
sha512 5d31835ae4793f3fef1cf510bd6aa5a926e0e19e3d3fb055ec666824914c9bdafd7827cb9992b655de57b8d1c776951ea6e57dc64426e744f9b09d9df06dcca0
ripemd-160 6f723dd6dfdb77b91d986b34bb3c509fc879288a

1991231089 as geometric shapes

Circle

Radius = n
Diameter 3982462178
Circumference 12511273921.604
Area 1.2456418797846E+19

Sphere

Radius = n
Volume 3.3071477823834E+28
Surface area 4.9825675191386E+19
Circumference 12511273921.604

Square

Length = n
Perimeter 7964924356
Area 3965001249800125921
Diagonal 2816026011.8827

Cube

Length = n
Surface area 2.3790007498801E+19
Volume 7.8952337565259E+27
Space diagonal 3448913415.7587

Equilateral Triangle

Length = n
Perimeter 5973693267
Area 1.716895904182E+18
Altitude 1724456707.8794

Triangular Pyramid

Length = n
Surface area 1.716895904182E+18
Volume 9.3046222138206E+26
Height 938675337.29425