21720072 (number)

21720072 is an even 8-digits composite number following 21720071 and preceding 21720073. In scientific notation, it is written as 2.1720072 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 6352640 positive integers (up to 21720072) that are relatively prime to 21720072.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty thousand seventy-two

Notation

Scientific notation 2.1720072 × 10^7
Engineering notation 2.1720072 × 10^6

Prime Factorization of 21720072

Prime Factorization 2 × 2 × 2 × 11 × 87 × 2837

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5430018
Product of the distinct prime numbers

The prime factorization of 21720072 is 2 × 2 × 2 × 11 × 87 × 2837. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 7, 28, 23, 574, 628, 2083, 2374, 31423, 95126, 3729, 753162, 5297088, 7427425, 46235834, 45026444, 204446056, 604580629, 405769920, 8308104354

Basic calculations (n = 21720072)

Multiplication

n×y
n×2 43440144
n×3 65160216
n×4 86880288
n×5 108600360

Division

n÷y
n÷2 10860036
n÷3 7240024
n÷3 5430018
n÷5 4344014.4

Exponentiation

ny
n2 471761527685184
n3 1.0246694348152E+22
n4 2.2255893900386E+29
n5 4.8339961794074E+36

Nth Root

y√n
2√n 4660.4798036254
3√n 279.01041828492
4√n 68.267706887117
5√n 29.334065143957

Divisors of 21720072

1, 2, 4, 8, 11, 22, 44, 87, 88, 174, 348, 696, 957, 1914, 2837, 3828, 5674, 7656, 11348, 22696, 31207, 62414, 124828, 246819, 249656, 493638, 987276, 1974552, 2715009, 5430018, 10860036, 21720072

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 -21720071
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 21720072 can be divided by 32 positive divisors. The sum of these divisors (counting 21720072) is 1, the average is 0.03125.

Base conversion 21720072

Base System Value
2 Binary 1010010110110110000001000
3 Ternary 1111212111100010
4 Quaternary 1102312300020
5 Quinary 21030020242
6 Senary 2053311520
8 Octal 122666010
10 Decimal 21720072
12 Duodecimal 73355a0
16 Hexadecimal 14b6c08
20 Vigesimal 6ff03c
36 Base36 cxjbc

Cryptographic Hash Functions

md5 a9e9930fc32ab982f3dcd3f5545aa42b
sha1 7d6fd17012d552954fa82392c92020fec2727652
sha256 1ab6c92075f96507094b77a480e29045cf4bac6d8b8c63d643134195692b9140
sha512 46ccb7e3f7231838b194431d1bcbb14c8d67588de125b6fd32c5a9fc5ee25147dd56e29bb9597b8f54e52231e7c202eadad98d0de39866c4255b9929a7f7cf91
ripemd-160 812b75bb912f28a0290d4795cd2ff2f90d5e797e

21720072 as geometric shapes

Circle

Radius = n
Diameter 43440144
Circumference 136471237.26128
Area 1.4820825496221E+15

Sphere

Radius = n
Volume 4.292125291698E+22
Surface area 5.9283301984883E+15
Circumference 136471237.26128

Square

Length = n
Perimeter 86880288
Area 471761527685184
Diagonal 30716820.39812

Cube

Length = n
Surface area 2830569166111104
Volume 1.0246694348152E+22
Space diagonal 37620268.248054

Equilateral Triangle

Length = n
Perimeter 65160216
Area 2.0427873375176E+14
Altitude 18810134.124027

Triangular Pyramid

Length = n
Surface area 2.0427873375176E+14
Volume 1.2075845097207E+21
Height 10238940.132707