21351471 (number)

21351471 is an odd 8-digits composite number following 21351470 and preceding 21351472. In scientific notation, it is written as 2.1351471 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14192832 positive integers (up to 21351471) that are relatively prime to 21351471.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1351471 × 10^7
Engineering notation 2.1351471 × 10^6

Prime Factorization of 21351471

Prime Factorization 3 × 349 × 20393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21351471
Product of the distinct prime numbers

The prime factorization of 21351471 is 3 × 349 × 20393. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21351471)

Multiplication

n×y
n×2 42702942
n×3 64054413
n×4 85405884
n×5 106757355

Division

n÷y
n÷2 10675735.5
n÷3 7117157
n÷3 5337867.75
n÷5 4270294.2

Exponentiation

ny
n2 455885313863841
n3 9.7338220582897E+21
n4 2.0783141939673E+29
n5 4.4375065241382E+36

Nth Root

y√n
2√n 4620.7651963717
3√n 277.42308719849
4√n 67.976210517884
5√n 29.233819435163

Divisors of 21351471

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21351470
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351471 can be divided by 8 positive divisors. The sum of these divisors (counting 21351471) is 1, the average is 0.125.

Base conversion 21351471

Base System Value
2 Binary 1010001011100110000101111
3 Ternary 1111011202201020
4 Quaternary 1101130300233
5 Quinary 20431221341
6 Senary 2041345223
8 Octal 121346057
10 Decimal 21351471
12 Duodecimal 7198213
16 Hexadecimal 145cc2f
20 Vigesimal 6d8idb
36 Base36 cpmwf

Cryptographic Hash Functions

md5 9c1521a97e53a5a6fe6f62cf90a02181
sha1 8a4b7991ac715c4e54adb676d8813ad59f4a17a4
sha256 474fb9112968f75b944306430c30959eae8b66ccad53ae083dc3b493376addaf
sha512 bb18e69a30c58c2ea44d2006ea05539736fec09982e83d17a7071de0e05efdcad9d8979dcde9e2db7f8dd0dc40039799f9cf8e4a1f5ba4b7c9abf87b95a0125f
ripemd-160 032b6ddefeebe1ef4ffd33a96898f3f9d0bf4289

21351471 as geometric shapes

Circle

Radius = n
Diameter 42702942
Circumference 134155248.87387
Area 1.4322059529141E+15

Sphere

Radius = n
Volume 4.0772938492898E+22
Surface area 5.7288238116565E+15
Circumference 134155248.87387

Square

Length = n
Perimeter 85405884
Area 455885313863841
Diagonal 30195539.864816

Cube

Length = n
Surface area 2735311883183046
Volume 9.7338220582897E+21
Space diagonal 36981832.588333

Equilateral Triangle

Length = n
Perimeter 64054413
Area 1.9740413150916E+14
Altitude 18490916.294167

Triangular Pyramid

Length = n
Surface area 1.9740413150916E+14
Volume 1.1471419307133E+21
Height 10065179.954939