91081490 (number)

91081490 is an even 8-digits composite number following 91081489 and preceding 91081491. In scientific notation, it is written as 9.1081490 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 36097920 positive integers (up to 91081490) that are relatively prime to 91081490.

Interesting facts

Basic properties

Name

Name ninety-one million eighty-one thousand four hundred ninety

Notation

Scientific notation 9.1081490 × 10^7
Engineering notation 9.1081490 × 10^6

Prime Factorization of 91081490

Prime Factorization 2 × 5 × 109 × 83561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91081490
Product of the distinct prime numbers

The prime factorization of 91081490 is 2 × 5 × 109 × 83561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 91081490)

Multiplication

n×y
n×2 182162980
n×3 273244470
n×4 364325960
n×5 455407450

Division

n÷y
n÷2 45540745
n÷3 30360496.666667
n÷3 22770372.5
n÷5 18216298

Exponentiation

ny
n2 8295837820620100
n3 7.5559726950043E+23
n4 6.8820925146031E+31
n5 6.268312405479E+39

Nth Root

y√n
2√n 9543.6622949474
3√n 449.92836719863
4√n 97.691669526871
5√n 39.07383383757

Divisors of 91081490

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 -91081489
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 91081490 can be divided by 16 positive divisors. The sum of these divisors (counting 91081490) is 1, the average is 0.0625.

Base conversion 91081490

Base System Value
2 Binary 101011011011100101100010010
3 Ternary 20100101102022112
4 Quaternary 11123130230102
5 Quinary 141304101430
6 Senary 13012105322
8 Octal 533345422
10 Decimal 91081490
12 Duodecimal 26605242
16 Hexadecimal 56dcb12
20 Vigesimal 18953ea
36 Base36 1i86xe

Cryptographic Hash Functions

md5 c68e5c893286bbba584ae8eda608a8fa
sha1 28e5f636075db74b9bb5c1a504f19de22cae6639
sha256 26743deee176879b5690270ad25fad8b171c4a23ac3cbcf4f5ff62f23d38132f
sha512 cd8e2d45dbc70ce8726a7fd108ca06ecc68d26d6dc6589e047458c38b895bcf94f122b98ee5f9349621ff9aadcc885ac5b223161e16cdff05eb8414c31df3b61
ripemd-160 1b8477cb0dd6ad01ec0fa8f3ac1b77da0401dec3

91081490 as geometric shapes

Circle

Radius = n
Diameter 182162980
Circumference 572281879.72402
Area 2.6062143152632E+16

Sphere

Radius = n
Volume 3.1650384412467E+24
Surface area 1.0424857261053E+17
Circumference 572281879.72402

Square

Length = n
Perimeter 364325960
Area 8295837820620100
Diagonal 128808678.43915

Cube

Length = n
Surface area 49775026923720600
Volume 7.5559726950043E+23
Space diagonal 157757768.30908

Equilateral Triangle

Length = n
Perimeter 273244470
Area 3.5922031491664E+15
Altitude 78878884.154538

Triangular Pyramid

Length = n
Surface area 3.5922031491664E+15
Volume 8.9047992184966E+22
Height 42936226.146383