21031288 (number)

21031288 is an even 8-digits composite number following 21031287 and preceding 21031289. In scientific notation, it is written as 2.1031288 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 10515640 positive integers (up to 21031288) that are relatively prime to 21031288.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.1031288 × 10^7
Engineering notation 2.1031288 × 10^6

Prime Factorization of 21031288

Prime Factorization 2 × 2 × 2 × 2628911

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5257822
Product of the distinct prime numbers

The prime factorization of 21031288 is 2 × 2 × 2 × 2628911. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031288)

Multiplication

n×y
n×2 42062576
n×3 63093864
n×4 84125152
n×5 105156440

Division

n÷y
n÷2 10515644
n÷3 7010429.3333333
n÷3 5257822
n÷5 4206257.6

Exponentiation

ny
n2 442315074938944
n3 9.3024557277825E+21
n4 1.9564262551824E+29
n5 4.1146164023503E+36

Nth Root

y√n
2√n 4585.9882250176
3√n 276.02936745549
4√n 67.719924874571
5√n 29.145611667609

Divisors of 21031288

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 -21031287
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 21031288 can be divided by 8 positive divisors. The sum of these divisors (counting 21031288) is 1, the average is 0.125.

Base conversion 21031288

Base System Value
2 Binary 1010000001110100101111000
3 Ternary 1110120111111121
4 Quaternary 1100032211320
5 Quinary 20341000123
6 Senary 2030435024
8 Octal 120164570
10 Decimal 21031288
12 Duodecimal 7062a74
16 Hexadecimal 140e978
20 Vigesimal 6b8i48
36 Base36 cirug

Cryptographic Hash Functions

md5 29a401fcf6776845085336869bb61231
sha1 c6f564b97245f3cbf261bf74787185e0ea0570b1
sha256 d805777fdd70d911df6b0da318833d0dfa2e4cb524425794ba1dfa69e990041a
sha512 f0c80ae4643af2d08d45dfd75b3146dedd362f301afc8de67752928725bd2fed48cded7ba7b6942131b647ae56921da6540e49701f0a9854cb5ac72c4f38b539
ripemd-160 f12dc64e07ff0a096fe7e33f5c61cdb4dd7aa99f

21031288 as geometric shapes

Circle

Radius = n
Diameter 42062576
Circumference 132143479.75266
Area 1.3895737900002E+15

Sphere

Radius = n
Volume 3.8966035432994E+22
Surface area 5.5582951600008E+15
Circumference 132143479.75266

Square

Length = n
Perimeter 84125152
Area 442315074938944
Diagonal 29742732.723775

Cube

Length = n
Surface area 2653890449633664
Volume 9.3024557277825E+21
Space diagonal 36427259.364614

Equilateral Triangle

Length = n
Perimeter 63093864
Area 1.9152804568697E+14
Altitude 18213629.682307

Triangular Pyramid

Length = n
Surface area 1.9152804568697E+14
Volume 1.0963049211338E+21
Height 9914244.2412582