21154471 (number)

21154471 is an odd 8-digits composite number following 21154470 and preceding 21154472. In scientific notation, it is written as 2.1154471 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19527192 positive integers (up to 21154471) that are relatively prime to 21154471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1154471 × 10^7
Engineering notation 2.1154471 × 10^6

Prime Factorization of 21154471

Prime Factorization 13 × 1627267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21154471
Product of the distinct prime numbers

The prime factorization of 21154471 is 13 × 1627267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21154471)

Multiplication

n×y
n×2 42308942
n×3 63463413
n×4 84617884
n×5 105772355

Division

n÷y
n÷2 10577235.5
n÷3 7051490.3333333
n÷3 5288617.75
n÷5 4230894.2

Exponentiation

ny
n2 447511643289841
n3 9.4668720801373E+21
n4 2.0026667087997E+29
n5 4.236535481397E+36

Nth Root

y√n
2√n 4599.3989824759
3√n 276.56723205326
4√n 67.818868926545
5√n 29.17967388872

Divisors of 21154471

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21154470
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21154471 can be divided by 4 positive divisors. The sum of these divisors (counting 21154471) is 1, the average is 0.25.

Base conversion 21154471

Base System Value
2 Binary 1010000101100101010100111
3 Ternary 1110210202110221
4 Quaternary 1100230222213
5 Quinary 20403420341
6 Senary 2033225211
8 Octal 120545247
10 Decimal 21154471
12 Duodecimal 7102207
16 Hexadecimal 142caa7
20 Vigesimal 6c463b
36 Base36 clew7

Cryptographic Hash Functions

md5 a55bd2a786340caebe028958f8c33aff
sha1 c9c22f8c04f2c2bc4344b5308f840a63ff3c4215
sha256 bc4322d4d2aa5b685cc9f5a7da9f292d1205cbd0589b6024c453362760eae8d9
sha512 77c19980a54ffef2179452b76e29ea3695542cbcd3e76c19d49e768d4aa1b43159fd364516c8f0bb239fb71fb0c9a40bfa1c66264b450846dda49b3cff8d97ec
ripemd-160 22000ec000eeb6aaa8d32097d817ab3103d7bdbb

21154471 as geometric shapes

Circle

Radius = n
Diameter 42308942
Circumference 132917461.36836
Area 1.4058992909553E+15

Sphere

Radius = n
Volume 3.9654741039245E+22
Surface area 5.623597163821E+15
Circumference 132917461.36836

Square

Length = n
Perimeter 84617884
Area 447511643289841
Diagonal 29916939.793028

Cube

Length = n
Surface area 2685069859739046
Volume 9.4668720801373E+21
Space diagonal 36640618.579242

Equilateral Triangle

Length = n
Perimeter 63463413
Area 1.9377822578916E+14
Altitude 18320309.289621

Triangular Pyramid

Length = n
Surface area 1.9377822578916E+14
Volume 1.1156815740818E+21
Height 9972313.2643428