21721775 (number)

21721775 is an odd 8-digits composite number following 21721774 and preceding 21721776. In scientific notation, it is written as 2.1721775 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 16156800 positive integers (up to 21721775) that are relatively prime to 21721775.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1721775 × 10^7
Engineering notation 2.1721775 × 10^6

Prime Factorization of 21721775

Prime Factorization 5 × 5 × 23 × 37 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4344355
Product of the distinct prime numbers

The prime factorization of 21721775 is 5 × 5 × 23 × 37 × 1021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 20, 75, 485, 431, 6545, 9636, 22276, 8043, 738054, 206390, 6176902, 6493540, 74701036, 16469994, 865401750, 138326745, 6674162723, 2507678623

Basic calculations (n = 21721775)

Multiplication

n×y
n×2 43443550
n×3 65165325
n×4 86887100
n×5 108608875

Division

n÷y
n÷2 10860887.5
n÷3 7240591.6666667
n÷3 5430443.75
n÷5 4344355

Exponentiation

ny
n2 471835509150625
n3 1.024910476678E+22
n4 2.2262874769543E+29
n5 4.8358915659719E+36

Nth Root

y√n
2√n 4660.6625065542
3√n 279.01771019329
4√n 68.26904500983
5√n 29.334525127204

Divisors of 21721775

1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 1021, 4255, 5105, 21275, 23483, 25525, 37777, 117415, 188885, 587075, 868871, 944425, 4344355, 21721775

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21721774
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21721775 can be divided by 24 positive divisors. The sum of these divisors (counting 21721775) is 1, the average is 0.041666666666667.

Base conversion 21721775

Base System Value
2 Binary 1010010110111001010101111
3 Ternary 1111212120200012
4 Quaternary 1102313022233
5 Quinary 21030044100
6 Senary 2053323435
8 Octal 122671257
10 Decimal 21721775
12 Duodecimal 733657b
16 Hexadecimal 14b72af
20 Vigesimal 6ff48f
36 Base36 cxkmn

Cryptographic Hash Functions

md5 1f1377e5d0597a4ab899d219e5bf7112
sha1 f038f2fe7e6a59f747b4173336da9451282c470b
sha256 e2a66b8ae270d27052c9d73181e24efce3a18ba034df2ebc965b6bb92a9ee9e6
sha512 fdd6ae48ed3cf499967fb514c1ba39570d4dbd01ded074cd69c688df8fcf5c057a57762b7addf455f02070b88e0fc2ee7ec020ef0a3c3fd9be142092372139a0
ripemd-160 cb403703f5c5fc7b0d3b36be4e5d94c3aaf6da45

21721775 as geometric shapes

Circle

Radius = n
Diameter 43443550
Circumference 136481937.52586
Area 1.4823149692504E+15

Sphere

Radius = n
Volume 4.2931349654919E+22
Surface area 5.9292598770016E+15
Circumference 136481937.52586

Square

Length = n
Perimeter 86887100
Area 471835509150625
Diagonal 30719228.803817

Cube

Length = n
Surface area 2831013054903750
Volume 1.024910476678E+22
Space diagonal 37623217.930579

Equilateral Triangle

Length = n
Perimeter 65165325
Area 2.04310768666E+14
Altitude 18811608.96529

Triangular Pyramid

Length = n
Surface area 2.04310768666E+14
Volume 1.2078685802803E+21
Height 10239742.934606