1990494756 (number)

1990494756 is an even 10-digits composite number following 1990494755 and preceding 1990494757. In scientific notation, it is written as 1.990494756 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 48 positive divisors. There are 663163200 positive integers (up to 1990494756) that are relatively prime to 1990494756.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million four hundred ninety-four thousand seven hundred fifty-six

Notation

Scientific notation 1.990494756 × 10^9
Engineering notation 1.990494756 × 10^9

Prime Factorization of 1990494756

Prime Factorization 2 × 2 × 3 × 9 × 2857 × 6451

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 995247378
Product of the distinct prime numbers

The prime factorization of 1990494756 is 2 × 2 × 3 × 9 × 2857 × 6451. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990494756)

Multiplication

n×y
n×2 3980989512
n×3 5971484268
n×4 7961979024
n×5 9952473780

Division

n÷y
n÷2 995247378
n÷3 663498252
n÷3 497623689
n÷5 398098951.2

Exponentiation

ny
n2 3962069373663499536
n3 7.8864783111854E+27
n4 1.5697993721722E+37
n5 3.1246774182809E+46

Nth Root

y√n
2√n 44614.961122924
3√n 1257.9219033127
4√n 211.22253933452
5√n 72.408942950368

Divisors of 1990494756

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990494755
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990494756 can be divided by 48 positive divisors. The sum of these divisors (counting 1990494756) is 1, the average is 0.020833333333333.

Base conversion 1990494756

Base System Value
2 Binary 1110110101001001000101000100100
3 Ternary 12010201110121111000
4 Quaternary 1312221020220210
5 Quinary 13034031313011
6 Senary 525303113300
8 Octal 16651105044
10 Decimal 1990494756
12 Duodecimal 476742830
16 Hexadecimal 76a48a24
20 Vigesimal 1b20bghg
36 Base36 wx37l0

Cryptographic Hash Functions

md5 72004282ef5240979a814759fe1f4762
sha1 65f2611d5a9e94511da52a638725938527d409d8
sha256 2feb53ce20df2a0c9aac10c3429a87f162292893594c0fc2665212a12e832719
sha512 1815b88265ef554ad38f9f38c127380c6c153aa2ed17625cd7fabad11a707806cc45519b928ab78da4dcb79ef6475ea5fed8a67ec527aad71959fe0a764de74a
ripemd-160 449ea7ce34a3d24926f4bc2862740b849959a83a

1990494756 as geometric shapes

Circle

Radius = n
Diameter 3980989512
Circumference 12506647404.917
Area 1.2447208037314E+19

Sphere

Radius = n
Volume 3.3034803100154E+28
Surface area 4.9788832149257E+19
Circumference 12506647404.917

Square

Length = n
Perimeter 7961979024
Area 3962069373663499536
Diagonal 2814984679.7677

Cube

Length = n
Surface area 2.3772416241981E+19
Volume 7.8864783111854E+27
Space diagonal 3447638049.5914

Equilateral Triangle

Length = n
Perimeter 5971484268
Area 1.7156263645744E+18
Altitude 1723819024.7957

Triangular Pyramid

Length = n
Surface area 1.7156263645744E+18
Volume 9.294303822533E+26
Height 938328226.58924