20991837 (number)

20991837 is an odd 8-digits composite number following 20991836 and preceding 20991838. In scientific notation, it is written as 2.0991837 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 13685760 positive integers (up to 20991837) that are relatively prime to 20991837.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand eight hundred thirty-seven

Notation

Scientific notation 2.0991837 × 10^7
Engineering notation 2.0991837 × 10^6

Prime Factorization of 20991837

Prime Factorization 3 × 67 × 181 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20991837
Product of the distinct prime numbers

The prime factorization of 20991837 is 3 × 67 × 181 × 577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 15, 77, 448, 800, 73, 7304, 83199, 14900, 530288, 873168, 2237037, 5305929, 89016240, 91724404, 620230270, 375785613, 8550455766, 8005919889

Basic calculations (n = 20991837)

Multiplication

n×y
n×2 41983674
n×3 62975511
n×4 83967348
n×5 104959185

Division

n÷y
n÷2 10495918.5
n÷3 6997279
n÷3 5247959.25
n÷5 4198367.4

Exponentiation

ny
n2 440657220634569
n3 9.2502045484339E+21
n4 1.9417878609738E+29
n5 4.0761694266141E+36

Nth Root

y√n
2√n 4581.6849520673
3√n 275.85666523054
4√n 67.688144841378
5√n 29.134669044932

Divisors of 20991837

1, 3, 67, 181, 201, 543, 577, 1731, 12127, 36381, 38659, 104437, 115977, 313311, 6997279, 20991837

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 -20991836
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 20991837 can be divided by 16 positive divisors. The sum of these divisors (counting 20991837) is 1, the average is 0.0625.

Base conversion 20991837

Base System Value
2 Binary 1010000000100111101011101
3 Ternary 1110111111101110
4 Quaternary 1100010331131
5 Quinary 20333214322
6 Senary 2025532233
8 Octal 120047535
10 Decimal 20991837
12 Duodecimal 7044079
16 Hexadecimal 1404f5d
20 Vigesimal 6b3jbh
36 Base36 chxel

Cryptographic Hash Functions

md5 32ec7b76983d1574e31e54b4153429c1
sha1 2f8837d65b332bc5f4133ecc8f4cfbd83befe077
sha256 98e2d2aceec63309b7d4fecfd61210933491684cad22ebaad64cca3ec0c6ea00
sha512 5b11a94691fd45d80dfc7f6f3a8300ae72c1d7aa333a8c0e9d66d8f095b398cae4bb6359a010eca9bbaa95c5a694051e0caae6b37deecd7ffb8f45e69550c480
ripemd-160 cb9af80f38cae015e04f6741b8724e67bc600daa

20991837 as geometric shapes

Circle

Radius = n
Diameter 41983674
Circumference 131895601.80911
Area 1.3843654870969E+15

Sphere

Radius = n
Volume 3.874716620475E+22
Surface area 5.5374619483874E+15
Circumference 131895601.80911

Square

Length = n
Perimeter 83967348
Area 440657220634569
Diagonal 29686940.584525

Cube

Length = n
Surface area 2643943323807414
Volume 9.2502045484339E+21
Space diagonal 36358928.228204

Equilateral Triangle

Length = n
Perimeter 62975511
Area 1.9081017371529E+14
Altitude 18179464.114102

Triangular Pyramid

Length = n
Surface area 1.9081017371529E+14
Volume 1.0901470605934E+21
Height 9895646.8615084