21552391 (number)

21552391 is an odd 8-digits composite number following 21552390 and preceding 21552392. In scientific notation, it is written as 2.1552391 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18378528 positive integers (up to 21552391) that are relatively prime to 21552391.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-two thousand three hundred ninety-one

Notation

Scientific notation 2.1552391 × 10^7
Engineering notation 2.1552391 × 10^6

Prime Factorization of 21552391

Prime Factorization 7 × 197 × 15629

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21552391
Product of the distinct prime numbers

The prime factorization of 21552391 is 7 × 197 × 15629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21552391)

Multiplication

n×y
n×2 43104782
n×3 64657173
n×4 86209564
n×5 107761955

Division

n÷y
n÷2 10776195.5
n÷3 7184130.3333333
n÷3 5388097.75
n÷5 4310478.2

Exponentiation

ny
n2 464505557816881
n3 1.0011205403743E+22
n4 2.1576541324277E+29
n5 4.6502605504848E+36

Nth Root

y√n
2√n 4642.4552771136
3√n 278.29056709231
4√n 68.135565434754
5√n 29.288632279366

Divisors of 21552391

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 -21552390
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 21552391 can be divided by 8 positive divisors. The sum of these divisors (counting 21552391) is 1, the average is 0.125.

Base conversion 21552391

Base System Value
2 Binary 1010010001101110100000111
3 Ternary 1111112222022201
4 Quaternary 1102031310013
5 Quinary 21004134031
6 Senary 2045535331
8 Octal 122156407
10 Decimal 21552391
12 Duodecimal 7274547
16 Hexadecimal 148dd07
20 Vigesimal 6ee0jb
36 Base36 ctxxj

Cryptographic Hash Functions

md5 cd87a01b249bf90b18c4e21be61944b4
sha1 cb98b4968880b239a3ca39ed51de9e66d1ab4c47
sha256 ccf2a958fa13e67e77f519d24e2283680628222e19cd243cdb5f294fe3647894
sha512 4754aca8dfa7292c571564e5dafece5e2cfb37dc45f89239f53a94dfecd986ac2d35efb526cd8ffe91d55533613a540b530a9c61571c0e4a8a636e839f49df84
ripemd-160 d14a2bceab3c28b27a89401ebcd6babe4a4a5356

21552391 as geometric shapes

Circle

Radius = n
Diameter 43104782
Circumference 135417666.46579
Area 1.4592872479891E+15

Sphere

Radius = n
Volume 4.1934839133301E+22
Surface area 5.8371489919566E+15
Circumference 135417666.46579

Square

Length = n
Perimeter 86209564
Area 464505557816881
Diagonal 30479683.653768

Cube

Length = n
Surface area 2787033346901286
Volume 1.0011205403743E+22
Space diagonal 37329836.23659

Equilateral Triangle

Length = n
Perimeter 64657173
Area 2.0113680663424E+14
Altitude 18664918.118295

Triangular Pyramid

Length = n
Surface area 2.0113680663424E+14
Volume 1.179831871473E+21
Height 10159894.551256