1990494757 (number)

1990494757 is an odd 10-digits composite number following 1990494756 and preceding 1990494758. In scientific notation, it is written as 1.990494757 × 10^9. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 1988689036 positive integers (up to 1990494757) that are relatively prime to 1990494757.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.990494757 × 10^9
Engineering notation 1.990494757 × 10^9

Prime Factorization of 1990494757

Prime Factorization 1103 × 1804619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990494757
Product of the distinct prime numbers

The prime factorization of 1990494757 is 1103 × 1804619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 78, 13, 464, 120, 1106, 6954, 43649, 40932, 563276, 163135, 2640489, 9187264, 58222803, 20122323, 589093225, 46011979, 4082687148, 419180544

Basic calculations (n = 1990494757)

Multiplication

n×y
n×2 3980989514
n×3 5971484271
n×4 7961979028
n×5 9952473785

Division

n÷y
n÷2 995247378.5
n÷3 663498252.33333
n÷3 497623689.25
n÷5 398098951.4

Exponentiation

ny
n2 3962069377644489049
n3 7.8864783230716E+27
n4 1.5697993753268E+37
n5 3.1246774261299E+46

Nth Root

y√n
2√n 44614.961134131
3√n 1257.9219035234
4√n 211.22253936105
5√n 72.408942957643

Divisors of 1990494757

1, 1103, 1804619, 1990494757

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 -1990494756
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 1990494757 can be divided by 4 positive divisors. The sum of these divisors (counting 1990494757) is 1, the average is 0.25.

Base conversion 1990494757

Base System Value
2 Binary 1110110101001001000101000100101
3 Ternary 12010201110121111001
4 Quaternary 1312221020220211
5 Quinary 13034031313012
6 Senary 525303113301
8 Octal 16651105045
10 Decimal 1990494757
12 Duodecimal 476742831
16 Hexadecimal 76a48a25
20 Vigesimal 1b20bghh
36 Base36 wx37l1

Cryptographic Hash Functions

md5 cc828a7856517cf655c5ee3933859b42
sha1 9eaea2d4f5e515a97c3fec77d29cd553dd49d969
sha256 fbbe6e451a89f62b0db27576e27660d9dd0e8b5abefa50339ceef959bcffe7f5
sha512 684efa93a9742d33dbb91cfe3df6c7c373a46b2670581e65052613f26310df59b62eba923d00b5c0736470cc114f3f6653a25630f7fe82d9df340c54de92d1b6
ripemd-160 b20987625cead61a58d0290af68be724cc542e3c

1990494757 as geometric shapes

Circle

Radius = n
Diameter 3980989514
Circumference 12506647411.2
Area 1.2447208049821E+19

Sphere

Radius = n
Volume 3.3034803149943E+28
Surface area 4.9788832199284E+19
Circumference 12506647411.2

Square

Length = n
Perimeter 7961979028
Area 3962069377644489049
Diagonal 2814984681.1819

Cube

Length = n
Surface area 2.3772416265867E+19
Volume 7.8864783230716E+27
Space diagonal 3447638051.3235

Equilateral Triangle

Length = n
Perimeter 5971484271
Area 1.7156263662983E+18
Altitude 1723819025.6617

Triangular Pyramid

Length = n
Surface area 1.7156263662983E+18
Volume 9.2943038365411E+26
Height 938328227.06065