21551331 (number)

21551331 is an odd 8-digits composite number following 21551330 and preceding 21551332. In scientific notation, it is written as 2.1551331 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14367552 positive integers (up to 21551331) that are relatively prime to 21551331.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand three hundred thirty-one

Notation

Scientific notation 2.1551331 × 10^7
Engineering notation 2.1551331 × 10^6

Prime Factorization of 21551331

Prime Factorization 3 × 7183777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21551331
Product of the distinct prime numbers

The prime factorization of 21551331 is 3 × 7183777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551331)

Multiplication

n×y
n×2 43102662
n×3 64653993
n×4 86205324
n×5 107756655

Division

n÷y
n÷2 10775665.5
n÷3 7183777
n÷3 5387832.75
n÷5 4310266.2

Exponentiation

ny
n2 464459867871561
n3 1.0009728348716E+22
n4 2.1572296886327E+29
n5 4.649117106275E+36

Nth Root

y√n
2√n 4642.3411119822
3√n 278.28600467759
4√n 68.134727650312
5√n 29.288344176195

Divisors of 21551331

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 -21551330
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 21551331 can be divided by 4 positive divisors. The sum of these divisors (counting 21551331) is 1, the average is 0.25.

Base conversion 21551331

Base System Value
2 Binary 1010010001101100011100011
3 Ternary 1111112220212110
4 Quaternary 1102031203203
5 Quinary 21004120311
6 Senary 2045530403
8 Octal 122154343
10 Decimal 21551331
12 Duodecimal 7273a03
16 Hexadecimal 148d8e3
20 Vigesimal 6edi6b
36 Base36 ctx43

Cryptographic Hash Functions

md5 19a2a7444808e6a51ead4c1287079cec
sha1 af61af902d4d0733cbaf5dbea9e63c8c9d531f6f
sha256 23ab657c1ddce0f86d93fffff57feb82492d16bb7415c6569de07da4cb965491
sha512 39400392a8ecba09862cb8337385662adb985c3706bb7b10a030a3372bb04828cae8df8b9f00fbbedac68a967ce7d3016c4759989be1f4747d557c642b16c7d3
ripemd-160 4f43953037c87a36c01ed785393b11e52c6e6a5a

21551331 as geometric shapes

Circle

Radius = n
Diameter 43102662
Circumference 135411006.28936
Area 1.4591437087926E+15

Sphere

Radius = n
Volume 4.1928652059675E+22
Surface area 5.8365748351703E+15
Circumference 135411006.28936

Square

Length = n
Perimeter 86205324
Area 464459867871561
Diagonal 30478184.587392

Cube

Length = n
Surface area 2786759207229366
Volume 1.0009728348716E+22
Space diagonal 37328000.262734

Equilateral Triangle

Length = n
Perimeter 64653993
Area 2.0111702230757E+14
Altitude 18664000.131367

Triangular Pyramid

Length = n
Surface area 2.0111702230757E+14
Volume 1.1796577988688E+21
Height 10159394.862464