21031471 (number)

21031471 is an odd 8-digits prime number following 21031470 and preceding 21031472. In scientific notation, it is written as 2.1031471 × 10^7. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 21031470 positive integers (up to 21031471) that are relatively prime to 21031471.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred seventy-one

Notation

Scientific notation 2.1031471 × 10^7
Engineering notation 2.1031471 × 10^6

Prime Factorization of 21031471

Prime Factorization 21031471

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21031471
Product of the distinct prime numbers

The prime factorization of 21031471 is 21031471. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 3, 55, 75, 926, 108, 6508, 6707, 36179, 10221, 814847, 364563, 4276171, 2697748, 15763437, 55305641, 249140361, 711431019, 9655896706, 4032768023

Basic calculations (n = 21031471)

Multiplication

n×y
n×2 42062942
n×3 63094413
n×4 84125884
n×5 105157355

Division

n÷y
n÷2 10515735.5
n÷3 7010490.3333333
n÷3 5257867.75
n÷5 4206294.2

Exponentiation

ny
n2 442322772423841
n3 9.3026985608716E+21
n4 1.9564943500471E+29
n5 4.114795418468E+36

Nth Root

y√n
2√n 4586.0081770533
3√n 276.03016805993
4√n 67.720072187302
5√n 29.1456623885

Divisors of 21031471

1, 21031471

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21031472
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10515736
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4586.0082860806
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999049044
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031471 can be divided by 2 positive divisors. The sum of these divisors (counting 21031471) is 21031472, the average is 10515736.

Base conversion 21031471

Base System Value
2 Binary 1010000001110101000101111
3 Ternary 1110120111202101
4 Quaternary 1100032220233
5 Quinary 20341001341
6 Senary 2030435531
8 Octal 120165057
10 Decimal 21031471
12 Duodecimal 7062ba7
16 Hexadecimal 140ea2f
20 Vigesimal 6b8idb
36 Base36 cirzj

Cryptographic Hash Functions

md5 baed5bf4fbcbc47b146f5b517bad1fdd
sha1 de8dceae85aa32970c964b715674d628c99ec9e5
sha256 71a4cf4e92e16a88167026a566e2ae2f08aa3c8b38305b2a9d32a57afb6e9ba0
sha512 913dcb7c7abfd03ed4c1878df5a41fc246a55471fe50df41f531ff1e51c0c7b315909edcd59aa25ed5472c9b83d92ac20226a9a4f9b9b5ad7f67a375cf67ed63
ripemd-160 b6e8bd415e3b2e0b8e3fcb37300e06f1fe59f34b

21031471 as geometric shapes

Circle

Radius = n
Diameter 42062942
Circumference 132144629.57557
Area 1.3895979723622E+15

Sphere

Radius = n
Volume 3.8967052609859E+22
Surface area 5.5583918894488E+15
Circumference 132144629.57557

Square

Length = n
Perimeter 84125884
Area 442322772423841
Diagonal 29742991.524856

Cube

Length = n
Surface area 2653936634543046
Volume 9.3026985608716E+21
Space diagonal 36427576.329911

Equilateral Triangle

Length = n
Perimeter 63094413
Area 1.915313787957E+14
Altitude 18213788.164956

Triangular Pyramid

Length = n
Surface area 1.915313787957E+14
Volume 1.0963335392878E+21
Height 9914330.5082855