1990397387 (number)

1990397387 is an odd 10-digits composite number following 1990397386 and preceding 1990397388. In scientific notation, it is written as 1.990397387 × 10^9. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 1809452160 positive integers (up to 1990397387) that are relatively prime to 1990397387.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million three hundred ninety-seven thousand three hundred eighty-seven

Notation

Scientific notation 1.990397387 × 10^9
Engineering notation 1.990397387 × 10^9

Prime Factorization of 1990397387

Prime Factorization 11 × 180945217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1990397387
Product of the distinct prime numbers

The prime factorization of 1990397387 is 11 × 180945217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 37, 3, 586, 971, 1159, 8088, 86810, 94328, 724019, 407300, 115272, 2296718, 19639432, 72816568, 55060890, 735243147, 4127148339, 9737815377

Basic calculations (n = 1990397387)

Multiplication

n×y
n×2 3980794774
n×3 5971192161
n×4 7961589548
n×5 9951986935

Division

n÷y
n÷2 995198693.5
n÷3 663465795.66667
n÷3 497599346.75
n÷5 398079477.4

Exponentiation

ny
n2 3961681758176427769
n3 7.8853210195999E+27
n4 1.5694922353068E+37
n5 3.1239132440714E+46

Nth Root

y√n
2√n 44613.86989491
3√n 1257.9013917297
4√n 211.21995619475
5√n 72.408234531086

Divisors of 1990397387

1, 11, 180945217, 1990397387

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 -1990397386
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 1990397387 can be divided by 4 positive divisors. The sum of these divisors (counting 1990397387) is 1, the average is 0.25.

Base conversion 1990397387

Base System Value
2 Binary 1110110101000110000110111001011
3 Ternary 12010201021122220202
4 Quaternary 1312220300313023
5 Quinary 13034020204022
6 Senary 525301042415
8 Octal 16650606713
10 Decimal 1990397387
12 Duodecimal 4766b640b
16 Hexadecimal 76a30dcb
20 Vigesimal 1b1jjd97
36 Base36 wx14gb

Cryptographic Hash Functions

md5 0f734b1a1241f952747bda3e641410f6
sha1 a36f8303bbff9d3afd9caf3ca680fb9cc6c94767
sha256 06c7c0eedc726f83df208e3b64c3a97ef0880b2335929be6a1932b0ebe3999f4
sha512 d5b00ebefe661f9d185eda4a8b3e59599e47e4c37da4e2988426a7ecac52d93617f1175ab8542af5974ed414c2ea890cd7936b19b36930a32339b394b48a9436
ripemd-160 8f461a26135d28f4d5b67a2276bef0aad12188ed

1990397387 as geometric shapes

Circle

Radius = n
Diameter 3980794774
Circumference 12506035617.447
Area 1.2445990307348E+19

Sphere

Radius = n
Volume 3.3029955448496E+28
Surface area 4.9783961229391E+19
Circumference 12506035617.447

Square

Length = n
Perimeter 7961589548
Area 3961681758176427769
Diagonal 2814846979.2074

Cube

Length = n
Surface area 2.3770090549059E+19
Volume 7.8853210195999E+27
Space diagonal 3447469401.5363

Equilateral Triangle

Length = n
Perimeter 5971192161
Area 1.7154585221451E+18
Altitude 1723734700.7682

Triangular Pyramid

Length = n
Surface area 1.7154585221451E+18
Volume 9.2929399413199E+26
Height 938282326.40246