1990495831 (number)

1990495831 is an odd 10-digits composite number following 1990495830 and preceding 1990495832. In scientific notation, it is written as 1.990495831 × 10^9. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 1875533880 positive integers (up to 1990495831) that are relatively prime to 1990495831.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million four hundred ninety-five thousand eight hundred thirty-one

Notation

Scientific notation 1.990495831 × 10^9
Engineering notation 1.990495831 × 10^9

Prime Factorization of 1990495831

Prime Factorization 67 × 23 × 1291691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1990495831
Product of the distinct prime numbers

The prime factorization of 1990495831 is 67 × 23 × 1291691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990495831)

Multiplication

n×y
n×2 3980991662
n×3 5971487493
n×4 7961983324
n×5 9952479155

Division

n÷y
n÷2 995247915.5
n÷3 663498610.33333
n÷3 497623957.75
n÷5 398099166.2

Exponentiation

ny
n2 3962073653228380561
n3 7.886491088866E+27
n4 1.5698027633606E+37
n5 3.1246858559617E+46

Nth Root

y√n
2√n 44614.97317045
3√n 1257.9221297666
4√n 211.22256785308
5√n 72.408950771498

Divisors of 1990495831

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 -1990495830
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 1990495831 can be divided by 8 positive divisors. The sum of these divisors (counting 1990495831) is 1, the average is 0.125.

Base conversion 1990495831

Base System Value
2 Binary 1110110101001001000111001010111
3 Ternary 12010201110122221211
4 Quaternary 1312221020321113
5 Quinary 13034031331311
6 Senary 525303122251
8 Octal 16651107127
10 Decimal 1990495831
12 Duodecimal 476743387
16 Hexadecimal 76a48e57
20 Vigesimal 1b20bjbb
36 Base36 wx38ev

Cryptographic Hash Functions

md5 90147ac9275ba14e0fc0e57678a482fd
sha1 5dd2d0aed903c2834f4b7930b1ea5e28eba489c1
sha256 0156b2fcceb19aaa3aa53d304040c828feb4d87a6dd5389fb45308768f1b7ae9
sha512 7f997291484ec69600e1da0ea63cd69844418269adefdbc3f1ac3d0fc83dfe402584b4583cc70535e03af40c90c6bf1111f67c6ba73431f265f1c5205cfcafae
ripemd-160 16ac65a737ada2599fd9a030694ae7a179a93b90

1990495831 as geometric shapes

Circle

Radius = n
Diameter 3980991662
Circumference 12506654159.341
Area 1.2447221481964E+19

Sphere

Radius = n
Volume 3.3034856623177E+28
Surface area 4.9788885927856E+19
Circumference 12506654159.341

Square

Length = n
Perimeter 7961983324
Area 3962073653228380561
Diagonal 2814986200.0473

Cube

Length = n
Surface area 2.377244191937E+19
Volume 7.886491088866E+27
Space diagonal 3447639911.546

Equilateral Triangle

Length = n
Perimeter 5971487493
Area 1.7156282176804E+18
Altitude 1723819955.773

Triangular Pyramid

Length = n
Surface area 1.7156282176804E+18
Volume 9.2943188811741E+26
Height 938328733.3491