1990644851 (number)

1990644851 is an odd 10-digits composite number following 1990644850 and preceding 1990644852. In scientific notation, it is written as 1.990644851 × 10^9. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1837518312 positive integers (up to 1990644851) that are relatively prime to 1990644851.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990644851 × 10^9
Engineering notation 1.990644851 × 10^9

Prime Factorization of 1990644851

Prime Factorization 13 × 153126527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990644851
Product of the distinct prime numbers

The prime factorization of 1990644851 is 13 × 153126527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 15, 67, 548, 374, 1703, 5449, 44527, 75734, 362535, 49037, 8903472, 2021223, 7902003, 56463853, 383548353, 945252684, 853261926, 7288605724

Basic calculations (n = 1990644851)

Multiplication

n×y
n×2 3981289702
n×3 5971934553
n×4 7962579404
n×5 9953224255

Division

n÷y
n÷2 995322425.5
n÷3 663548283.66667
n÷3 497661212.75
n÷5 398128970.2

Exponentiation

ny
n2 3962666922812812201
n3 7.8882625061253E+27
n4 1.5702729141155E+37
n5 3.1258556911487E+46

Nth Root

y√n
2√n 44616.643206319
3√n 1257.9535207522
4√n 211.22652107706
5√n 72.410034929381

Divisors of 1990644851

1, 13, 153126527, 1990644851

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 -1990644850
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 1990644851 can be divided by 4 positive divisors. The sum of these divisors (counting 1990644851) is 1, the average is 0.25.

Base conversion 1990644851

Base System Value
2 Binary 1110110101001101101010001110011
3 Ternary 12010201202020101002
4 Quaternary 1312221231101303
5 Quinary 13034101113401
6 Senary 525310232215
8 Octal 16651552163
10 Decimal 1990644851
12 Duodecimal 4767b566b
16 Hexadecimal 76a6d473
20 Vigesimal 1b21ac2b
36 Base36 wx6feb

Cryptographic Hash Functions

md5 55dc8523b0d1bd792b086024ec857ba1
sha1 34719fd490a46424fdcee9218346ffd46719198b
sha256 8d22f48f54e815e03e054f54c5906fbdcf32c04579d22a2cd8be5bfaae4be518
sha512 b53da2732cba159dff44284366071d8764d2f5f02dbb395078ff7644c7c04eccced6a9c4aebdacb961508e69a1f2e994f966a0f9817c56aeed69805b23b1e4ce
ripemd-160 080edaf5df6b805fffdc94172be9500f41f1c61e

1990644851 as geometric shapes

Circle

Radius = n
Diameter 3981289702
Circumference 12507590479.616
Area 1.2449085293332E+19

Sphere

Radius = n
Volume 3.3042276718442E+28
Surface area 4.9796341173328E+19
Circumference 12507590479.616

Square

Length = n
Perimeter 7962579404
Area 3962666922812812201
Diagonal 2815196946.1524

Cube

Length = n
Surface area 2.3776001536877E+19
Volume 7.8882625061253E+27
Space diagonal 3447898021.7574

Equilateral Triangle

Length = n
Perimeter 5971934553
Area 1.7158851109461E+18
Altitude 1723949010.8787

Triangular Pyramid

Length = n
Surface area 1.7158851109461E+18
Volume 9.2964065164347E+26
Height 938398982.05079