20291491 (number)

20291491 is an odd 8-digits composite number following 20291490 and preceding 20291492. In scientific notation, it is written as 2.0291491 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18446800 positive integers (up to 20291491) that are relatively prime to 20291491.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand four hundred ninety-one

Notation

Scientific notation 2.0291491 × 10^7
Engineering notation 2.0291491 × 10^6

Prime Factorization of 20291491

Prime Factorization 11 × 1844681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20291491
Product of the distinct prime numbers

The prime factorization of 20291491 is 11 × 1844681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291491)

Multiplication

n×y
n×2 40582982
n×3 60874473
n×4 81165964
n×5 101457455

Division

n÷y
n÷2 10145745.5
n÷3 6763830.3333333
n÷3 5072872.75
n÷5 4058298.2

Exponentiation

ny
n2 411744607003081
n3 8.3549119873016E+21
n4 1.6953362139612E+29
n5 3.4400899527568E+36

Nth Root

y√n
2√n 4504.607752069
3√n 272.75412032333
4√n 67.116374694027
5√n 28.937618842766

Divisors of 20291491

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 -20291490
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 20291491 can be divided by 4 positive divisors. The sum of these divisors (counting 20291491) is 1, the average is 0.25.

Base conversion 20291491

Base System Value
2 Binary 1001101011001111110100011
3 Ternary 1102011220200201
4 Quaternary 1031121332203
5 Quinary 20143311431
6 Senary 2002530031
8 Octal 115317643
10 Decimal 20291491
12 Duodecimal 6966917
16 Hexadecimal 1359fa3
20 Vigesimal 66g8eb
36 Base36 c2x0j

Cryptographic Hash Functions

md5 75feeef83861b90fc92a1dac89a3ad3a
sha1 dc5909962b3f0a7ae7ba1bb647f8a14487697c6a
sha256 8086dd9cab555c456938bfbeea029cffdcc59a74e270c623d8fd76976a10a69d
sha512 59e937f6d27344ad6cb1e4af552db80548bc8cbf4036eb484f53ad52d17ac776bed92dbcdcd834200407e85f79c44531cb5882d2d37087c5ad92f220d95a9df0
ripemd-160 cf51155f0d7b8c3269ca636e317e4ac3f3d8e18c

20291491 as geometric shapes

Circle

Radius = n
Diameter 40582982
Circumference 127495198.11197
Area 1.2935338325161E+15

Sphere

Radius = n
Volume 3.4996973494261E+22
Surface area 5.1741353300644E+15
Circumference 127495198.11197

Square

Length = n
Perimeter 81165964
Area 411744607003081
Diagonal 28696501.772972

Cube

Length = n
Surface area 2470467642018486
Volume 8.3549119873016E+21
Space diagonal 35145893.373327

Equilateral Triangle

Length = n
Perimeter 60874473
Area 1.7829064476795E+14
Altitude 17572946.686663

Triangular Pyramid

Length = n
Surface area 1.7829064476795E+14
Volume 9.8463582040628E+20
Height 9565500.5909905