21554861 (number)

21554861 is an odd 8-digits composite number following 21554860 and preceding 21554862. In scientific notation, it is written as 2.1554861 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20286912 positive integers (up to 21554861) that are relatively prime to 21554861.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand eight hundred sixty-one

Notation

Scientific notation 2.1554861 × 10^7
Engineering notation 2.1554861 × 10^6

Prime Factorization of 21554861

Prime Factorization 17 × 1267933

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21554861
Product of the distinct prime numbers

The prime factorization of 21554861 is 17 × 1267933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554861)

Multiplication

n×y
n×2 43109722
n×3 64664583
n×4 86219444
n×5 107774305

Division

n÷y
n÷2 10777430.5
n÷3 7184953.6666667
n÷3 5388715.25
n÷5 4310972.2

Exponentiation

ny
n2 464612032729321
n3 1.0014647784408E+22
n4 2.1586434095687E+29
n5 4.652925864182E+36

Nth Root

y√n
2√n 4642.721292518
3√n 278.30119779903
4√n 68.137517510678
5√n 29.289303570135

Divisors of 21554861

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 -21554860
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 21554861 can be divided by 4 positive divisors. The sum of these divisors (counting 21554861) is 1, the average is 0.25.

Base conversion 21554861

Base System Value
2 Binary 1010010001110011010101101
3 Ternary 1111120002201012
4 Quaternary 1102032122231
5 Quinary 21004223421
6 Senary 2045555005
8 Octal 122163255
10 Decimal 21554861
12 Duodecimal 7275a65
16 Hexadecimal 148e6ad
20 Vigesimal 6ee731
36 Base36 ctzu5

Cryptographic Hash Functions

md5 3dc8fd4ad83ff9416490f62405d8686f
sha1 83bed877d2582985e7f0d66a06a98397fd9713d8
sha256 db2a44e73bc50ff1265c38ea1f22f0cb9b11252caf0ad4ff4509e97614475f1b
sha512 8a5588fc1351f02d37eb11318227698cbb01bab1f082c2c7db88cf95ce8f9879fa918060ee8fef2362bb185d27a6a22386f672c3b8a0a13bdbf695fe623e9f29
ripemd-160 e6392cc1d204a42cead166ef0a95b9966ad7c3e9

21554861 as geometric shapes

Circle

Radius = n
Diameter 43109722
Circumference 135433185.9335
Area 1.4596217487919E+15

Sphere

Radius = n
Volume 4.1949258543714E+22
Surface area 5.8384869951674E+15
Circumference 135433185.9335

Square

Length = n
Perimeter 86219444
Area 464612032729321
Diagonal 30483176.761267

Cube

Length = n
Surface area 2787672196375926
Volume 1.0014647784408E+22
Space diagonal 37334114.402085

Equilateral Triangle

Length = n
Perimeter 64664583
Area 2.0118291162376E+14
Altitude 18667057.201042

Triangular Pyramid

Length = n
Surface area 2.0118291162376E+14
Volume 1.180237559925E+21
Height 10161058.920422