21471729 (number)

21471729 is an odd 8-digits composite number following 21471728 and preceding 21471730. In scientific notation, it is written as 2.1471729 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13193280 positive integers (up to 21471729) that are relatively prime to 21471729.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-one thousand seven hundred twenty-nine

Notation

Scientific notation 2.1471729 × 10^7
Engineering notation 2.1471729 × 10^6

Prime Factorization of 21471729

Prime Factorization 3 × 19 × 37 × 10181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21471729
Product of the distinct prime numbers

The prime factorization of 21471729 is 3 × 19 × 37 × 10181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 58, 8, 625, 424, 8063, 6154, 51656, 94254, 156462, 153017, 5782637, 9311440, 34415891, 35024020, 398558201, 387722652, 8974614999, 6655610043

Basic calculations (n = 21471729)

Multiplication

n×y
n×2 42943458
n×3 64415187
n×4 85886916
n×5 107358645

Division

n÷y
n÷2 10735864.5
n÷3 7157243
n÷3 5367932.25
n÷5 4294345.8

Exponentiation

ny
n2 461035146249441
n3 9.8992217197434E+21
n4 2.1255340607724E+29
n5 4.5638891333175E+36

Nth Root

y√n
2√n 4633.7597046027
3√n 277.94295622361
4√n 68.071724707126
5√n 29.266676252796

Divisors of 21471729

1, 3, 19, 37, 57, 111, 703, 2109, 10181, 30543, 193439, 376697, 580317, 1130091, 7157243, 21471729

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 -21471728
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 21471729 can be divided by 16 positive divisors. The sum of these divisors (counting 21471729) is 1, the average is 0.0625.

Base conversion 21471729

Base System Value
2 Binary 1010001111010000111110001
3 Ternary 1111101212200020
4 Quaternary 1101322013301
5 Quinary 20444043404
6 Senary 2044114053
8 Octal 121720761
10 Decimal 21471729
12 Duodecimal 7235929
16 Hexadecimal 147a1f1
20 Vigesimal 6e3j69
36 Base36 cs7ox

Cryptographic Hash Functions

md5 19df4dac84325d5bd76f4282284eec14
sha1 92ca5d8c67980fe497bcfaa1f65be19a81e2903e
sha256 cbcd6f18ccc144945e1d1b2cb74e2ac9f3ea464d23e0df5c8edbe38be24ae8ad
sha512 97c67b0e5b1460d195fc516de34b601037aaddd4a8fc1c7a3328377ab7e7df2676629f371f9526f50198a7894f0080dccac91627ee39b53ec2a6fd7cf6628b94
ripemd-160 900c42b7d1c2a57227d285551f888be7bf4dde4c

21471729 as geometric shapes

Circle

Radius = n
Diameter 42943458
Circumference 134910852.17254
Area 1.4483846285039E+15

Sphere

Radius = n
Volume 4.146576297467E+22
Surface area 5.7935385140158E+15
Circumference 134910852.17254

Square

Length = n
Perimeter 85886916
Area 461035146249441
Diagonal 30365610.3594

Cube

Length = n
Surface area 2766210877496646
Volume 9.8992217197434E+21
Space diagonal 37190125.55435

Equilateral Triangle

Length = n
Perimeter 64415187
Area 1.9963407434474E+14
Altitude 18595062.777175

Triangular Pyramid

Length = n
Surface area 1.9963407434474E+14
Volume 1.1666344677499E+21
Height 10121870.1198