20991210 (number)

20991210 is an even 8-digits composite number following 20991209 and preceding 20991211. In scientific notation, it is written as 2.0991210 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 5446080 positive integers (up to 20991210) that are relatively prime to 20991210.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-one thousand two hundred ten

Notation

Scientific notation 2.0991210 × 10^7
Engineering notation 2.0991210 × 10^6

Prime Factorization of 20991210

Prime Factorization 2 × 3 × 5 × 37 × 18911

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20991210
Product of the distinct prime numbers

The prime factorization of 20991210 is 2 × 3 × 5 × 37 × 18911. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 55, 72, 809, 872, 6182, 1464, 45936, 83295, 149014, 122550, 3443874, 9350368, 67046638, 90831220, 94336429, 150852160, 1274973388, 425890380

Basic calculations (n = 20991210)

Multiplication

n×y
n×2 41982420
n×3 62973630
n×4 83964840
n×5 104956050

Division

n÷y
n÷2 10495605
n÷3 6997070
n÷3 5247802.5
n÷5 4198242

Exponentiation

ny
n2 440630897264100
n3 9.2493756969591E+21
n4 1.9415558762377E+29
n5 4.0755607124839E+36

Nth Root

y√n
2√n 4581.6165269477
3√n 275.85391870497
4√n 67.687639395592
5√n 29.134494999605

Divisors of 20991210

1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18911, 37822, 56733, 94555, 113466, 189110, 283665, 567330, 699707, 1399414, 2099121, 3498535, 4198242, 6997070, 10495605, 20991210

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20991209
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991210 can be divided by 32 positive divisors. The sum of these divisors (counting 20991210) is 1, the average is 0.03125.

Base conversion 20991210

Base System Value
2 Binary 1010000000100110011101010
3 Ternary 1110111110112020
4 Quaternary 1100010303222
5 Quinary 20333204320
6 Senary 2025525310
8 Octal 120046352
10 Decimal 20991210
12 Duodecimal 7043836
16 Hexadecimal 1404cea
20 Vigesimal 6b3i0a
36 Base36 chwx6

Cryptographic Hash Functions

md5 81b9a1132af5a311884d33ac6c42807a
sha1 44f10cec3a5b47fc79d116d4721648b48da37a58
sha256 ea1e4d892fa8ca3dedc355a1aed987e7c288b749a6de27da9aa61caa3d4d97c1
sha512 3ed1d7607e66de6e8e02022cc1add9c5ed059c8792df1861e59fc321df9d3d71a89037cad612da134a4e9e43df33911647370bad744b7fdc4eb00d3904db3a12
ripemd-160 ce3eafbfacbd9aeaa41b546e30c72f961a2ce348

20991210 as geometric shapes

Circle

Radius = n
Diameter 41982420
Circumference 131891662.25192
Area 1.3842827897896E+15

Sphere

Radius = n
Volume 3.8743694319812E+22
Surface area 5.5371311591583E+15
Circumference 131891662.25192

Square

Length = n
Perimeter 83964840
Area 440630897264100
Diagonal 29686053.872622

Cube

Length = n
Surface area 2643785383584600
Volume 9.2493756969591E+21
Space diagonal 36357842.232348

Equilateral Triangle

Length = n
Perimeter 62973630
Area 1.9079877536152E+14
Altitude 18178921.116174

Triangular Pyramid

Length = n
Surface area 1.9079877536152E+14
Volume 1.0900493795103E+21
Height 9895351.2908739