1990494755 (number)

1990494755 is an odd 10-digits composite number following 1990494754 and preceding 1990494756. In scientific notation, it is written as 1.990494755 × 10^9. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 1592395800 positive integers (up to 1990494755) that are relatively prime to 1990494755.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990494755 × 10^9
Engineering notation 1.990494755 × 10^9

Prime Factorization of 1990494755

Prime Factorization 5 × 398098951

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990494755
Product of the distinct prime numbers

The prime factorization of 1990494755 is 5 × 398098951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 26, 20, 298, 777, 5897, 3043, 8632, 74718, 270447, 730649, 4183510, 3506320, 58660739, 79440660, 584410981, 640707393, 4328898906, 6386482897

Basic calculations (n = 1990494755)

Multiplication

n×y
n×2 3980989510
n×3 5971484265
n×4 7961979020
n×5 9952473775

Division

n÷y
n÷2 995247377.5
n÷3 663498251.66667
n÷3 497623688.75
n÷5 398098951

Exponentiation

ny
n2 3962069369682510025
n3 7.8864782992992E+27
n4 1.5697993690176E+37
n5 3.1246774104319E+46

Nth Root

y√n
2√n 44614.961111717
3√n 1257.921903102
4√n 211.22253930799
5√n 72.408942943092

Divisors of 1990494755

1, 5, 398098951, 1990494755

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990494754
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990494755 can be divided by 4 positive divisors. The sum of these divisors (counting 1990494755) is 1, the average is 0.25.

Base conversion 1990494755

Base System Value
2 Binary 1110110101001001000101000100011
3 Ternary 12010201110121110222
4 Quaternary 1312221020220203
5 Quinary 13034031313010
6 Senary 525303113255
8 Octal 16651105043
10 Decimal 1990494755
12 Duodecimal 47674282b
16 Hexadecimal 76a48a23
20 Vigesimal 1b20bghf
36 Base36 wx37kz

Cryptographic Hash Functions

md5 7c24cc53314a926e78cfeb96069cfa86
sha1 15ba32674d51551902c86870b6b1b50e62708d67
sha256 4d74923658055f338488ecfde11ef1f7e8ceaf72df013fc85b100ed66b4ce0ce
sha512 4e8f57c898dc961ac5170687c3a5bf67b4798ccaf2da21abfa3fb1436b1e086e9c5703ecef375aa673d2e023d347032edadbd65b05b7ec7b2abca65e3aa8179f
ripemd-160 ac3538fb22ebdc4a68a3dfc7c5400d91f422c4e3

1990494755 as geometric shapes

Circle

Radius = n
Diameter 3980989510
Circumference 12506647398.634
Area 1.2447208024808E+19

Sphere

Radius = n
Volume 3.3034803050365E+28
Surface area 4.9788832099231E+19
Circumference 12506647398.634

Square

Length = n
Perimeter 7961979020
Area 3962069369682510025
Diagonal 2814984678.3535

Cube

Length = n
Surface area 2.3772416218095E+19
Volume 7.8864782992992E+27
Space diagonal 3447638047.8594

Equilateral Triangle

Length = n
Perimeter 5971484265
Area 1.7156263628506E+18
Altitude 1723819023.9297

Triangular Pyramid

Length = n
Surface area 1.7156263628506E+18
Volume 9.294303808525E+26
Height 938328226.11784