1991493090 (number)

1991493090 is an even 10-digits composite number following 1991493089 and preceding 1991493091. In scientific notation, it is written as 1.991493090 × 10^9. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 531064800 positive integers (up to 1991493090) that are relatively prime to 1991493090.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-one million four hundred ninety-three thousand ninety

Notation

Scientific notation 1.991493090 × 10^9
Engineering notation 1.991493090 × 10^9

Prime Factorization of 1991493090

Prime Factorization 2 × 5 × 9 × 22127701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1991493090
Product of the distinct prime numbers

The prime factorization of 1991493090 is 2 × 5 × 9 × 22127701. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 6, 13, 672, 735, 9707, 7246, 23780, 91062, 988756, 226832, 1721877, 463242, 57675832, 62649639, 872642778, 254160324, 6211459265, 4088982538

Basic calculations (n = 1991493090)

Multiplication

n×y
n×2 3982986180
n×3 5974479270
n×4 7965972360
n×5 9957465450

Division

n÷y
n÷2 995746545
n÷3 663831030
n÷3 497873272.5
n÷5 398298618

Exponentiation

ny
n2 3966044727517748100
n3 7.8983506694825E+27
n4 1.5729510780671E+37
n5 3.1325212028787E+46

Nth Root

y√n
2√n 44626.148052459
3√n 1258.1321720255
4√n 211.2490190568
5√n 72.416204844557

Divisors of 1991493090

1, 2, 5, 9, 10, 18, 45, 90, 22127701, 44255402, 110638505, 199149309, 221277010, 398298618, 995746545, 1991493090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991493089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991493090 can be divided by 16 positive divisors. The sum of these divisors (counting 1991493090) is 1, the average is 0.0625.

Base conversion 1991493090

Base System Value
2 Binary 1110110101100111100010111100010
3 Ternary 12010210100022221100
4 Quaternary 1312230330113202
5 Quinary 13034310234330
6 Senary 525340335230
8 Octal 16654742742
10 Decimal 1991493090
12 Duodecimal 476b44516
16 Hexadecimal 76b3c5e2
20 Vigesimal 1b26gcea
36 Base36 wxolwi

Cryptographic Hash Functions

md5 139c7a16aa537464a78f40520f9a378f
sha1 5ebad055a9c2200bd703ff3203095b30d02b5f67
sha256 70edf02a2bf0a72e23933123783fe41b04424c43bf96b001c7b23905391322ae
sha512 b07b58353ba8a9b7c86128b0b284b841ffab443f5166a8cce7c1a54fc7e7ecb2d1c97c9c3369cd314a6488ad582e78c73be714da031a2354d98d4aa2948a9caa
ripemd-160 86365326bf3adfebd0210db99f67ef013f599d07

1991493090 as geometric shapes

Circle

Radius = n
Diameter 3982986180
Circumference 12512920122.438
Area 1.2459696979778E+19

Sphere

Radius = n
Volume 3.3084533918296E+28
Surface area 4.9838787919113E+19
Circumference 12512920122.438

Square

Length = n
Perimeter 7965972360
Area 3966044727517748100
Diagonal 2816396537.2503

Cube

Length = n
Surface area 2.3796268365106E+19
Volume 7.8983506694825E+27
Space diagonal 3449367214.8023

Equilateral Triangle

Length = n
Perimeter 5974479270
Area 1.7173477432879E+18
Altitude 1724683607.4012

Triangular Pyramid

Length = n
Surface area 1.7173477432879E+18
Volume 9.3082955309673E+26
Height 938798845.7501