21551856 (number)

21551856 is an even 8-digits composite number following 21551855 and preceding 21551857. In scientific notation, it is written as 2.1551856 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors. There are 7183936 positive integers (up to 21551856) that are relatively prime to 21551856.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand eight hundred fifty-six

Notation

Scientific notation 2.1551856 × 10^7
Engineering notation 2.1551856 × 10^6

Prime Factorization of 21551856

Prime Factorization 2 × 2 × 2 × 2 × 3 × 448997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2693982
Product of the distinct prime numbers

The prime factorization of 21551856 is 2 × 2 × 2 × 2 × 3 × 448997. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551856)

Multiplication

n×y
n×2 43103712
n×3 64655568
n×4 86207424
n×5 107759280

Division

n÷y
n÷2 10775928
n÷3 7183952
n÷3 5387964
n÷5 4310371.2

Exponentiation

ny
n2 464482497044736
n3 1.0010459890829E+22
n4 2.1574399006091E+29
n5 4.6496834066582E+36

Nth Root

y√n
2√n 4642.397656384
3√n 278.28826438282
4√n 68.135142594582
5√n 29.28848687022

Divisors of 21551856

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551856 can be divided by 20 positive divisors. The sum of these divisors (counting 21551856) is 1, the average is 0.05.

Base conversion 21551856

Base System Value
2 Binary 1010010001101101011110000
3 Ternary 1111112221120220
4 Quaternary 1102031223300
5 Quinary 21004124411
6 Senary 2045533040
8 Octal 122155360
10 Decimal 21551856
12 Duodecimal 7274180
16 Hexadecimal 148daf0
20 Vigesimal 6edjcg
36 Base36 ctxio

Cryptographic Hash Functions

md5 47f96ed83552aaf0461f6131077abc1c
sha1 a1f09426d9d2642682ad924065a6fe58212779c1
sha256 9967e8e6372ddd9bacf9605a67cdfa3fb88a8cf6043995b985f5e53426c1f10a
sha512 2bcbfbf7d079010ffe454c2628b1483a6a52efa5e1bff4fd38d30757a36d90e369eac9f160b55b621a505d5305214f8d9e6084064eb8665b9ff658d59fe0c779
ripemd-160 a9b1db96bd8d660d741538264813834af7676978

21551856 as geometric shapes

Circle

Radius = n
Diameter 43103712
Circumference 135414304.96165
Area 1.4592148004368E+15

Sphere

Radius = n
Volume 4.193171633611E+22
Surface area 5.8368592017471E+15
Circumference 135414304.96165

Square

Length = n
Perimeter 86207424
Area 464482497044736
Diagonal 30478927.049512

Cube

Length = n
Surface area 2786894982268416
Volume 1.0010459890829E+22
Space diagonal 37328909.589408

Equilateral Triangle

Length = n
Perimeter 64655568
Area 2.0112682102699E+14
Altitude 18664454.794704

Triangular Pyramid

Length = n
Surface area 2.0112682102699E+14
Volume 1.1797440119335E+21
Height 10159642.349837