21721880 (number)

21721880 is an even 8-digits composite number following 21721879 and preceding 21721881. In scientific notation, it is written as 2.1721880 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors. There are 8322048 positive integers (up to 21721880) that are relatively prime to 21721880.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty-one thousand eight hundred eighty

Notation

Scientific notation 2.1721880 × 10^7
Engineering notation 2.1721880 × 10^6

Prime Factorization of 21721880

Prime Factorization 2 × 2 × 2 × 215 × 73 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5430470
Product of the distinct prime numbers

The prime factorization of 21721880 is 2 × 2 × 2 × 215 × 73 × 173. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 1, 51, 15, 574, 163, 8993, 1707, 22117, 99789, 830762, 957542, 1783251, 667388, 19434810, 49951674, 617949142, 578870463, 88583578, 516961738

Basic calculations (n = 21721880)

Multiplication

n×y
n×2 43443760
n×3 65165640
n×4 86887520
n×5 108609400

Division

n÷y
n÷2 10860940
n÷3 7240626.6666667
n÷3 5430470
n÷5 4344376

Exponentiation

ny
n2 471840070734400
n3 1.0249253395684E+22
n4 2.2263305235064E+29
n5 4.8360084471944E+36

Nth Root

y√n
2√n 4660.6737710335
3√n 279.01815977
4√n 68.269127510417
5√n 29.334553486941

Divisors of 21721880

1, 2, 4, 8, 73, 146, 173, 215, 292, 346, 430, 584, 692, 860, 1384, 1720, 12629, 15695, 25258, 31390, 37195, 50516, 62780, 74390, 101032, 125560, 148780, 297560, 2715235, 5430470, 10860940, 21721880

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 -21721879
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 21721880 can be divided by 32 positive divisors. The sum of these divisors (counting 21721880) is 1, the average is 0.03125.

Base conversion 21721880

Base System Value
2 Binary 1010010110111001100011000
3 Ternary 1111212120211002
4 Quaternary 1102313030120
5 Quinary 21030100010
6 Senary 2053324132
8 Octal 122671430
10 Decimal 21721880
12 Duodecimal 7336648
16 Hexadecimal 14b7318
20 Vigesimal 6ff4e0
36 Base36 cxkpk

Cryptographic Hash Functions

md5 92988be819b22c9bf5ba729d289370f5
sha1 0ffb93bcf202830ba52da6cf392cc93fc85a451f
sha256 ca1706dd5d565ec4577c7693147ed142eff6d07f764d4e133e959d7349173ffc
sha512 dff30c22ed40ff51809730be2590ab22570907cacf6737a059bc9d0b8eac793e918476546f1690fdda0fdb9d54fb61a7114d72c5b2b007fa7fb8aeeda12b4b01
ripemd-160 f7e9f1cea3bc537b48cbda44636e9b5ee6fe6e33

21721880 as geometric shapes

Circle

Radius = n
Diameter 43443760
Circumference 136482597.26032
Area 1.4823292998885E+15

Sphere

Radius = n
Volume 4.2931972230215E+22
Surface area 5.9293171995539E+15
Circumference 136482597.26032

Square

Length = n
Perimeter 86887520
Area 471840070734400
Diagonal 30719377.296241

Cube

Length = n
Surface area 2831040424406400
Volume 1.0249253395684E+22
Space diagonal 37623399.795914

Equilateral Triangle

Length = n
Perimeter 65165640
Area 2.0431274388972E+14
Altitude 18811699.897957

Triangular Pyramid

Length = n
Surface area 2.0431274388972E+14
Volume 1.2078860963646E+21
Height 10239792.43208