21554887 (number)

21554887 is an odd 8-digits composite number following 21554886 and preceding 21554888. In scientific notation, it is written as 2.1554887 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 20574840 positive integers (up to 21554887) that are relatively prime to 21554887.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand eight hundred eighty-seven

Notation

Scientific notation 2.1554887 × 10^7
Engineering notation 2.1554887 × 10^6

Prime Factorization of 21554887

Prime Factorization 23 × 859 × 1091

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21554887
Product of the distinct prime numbers

The prime factorization of 21554887 is 23 × 859 × 1091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554887)

Multiplication

n×y
n×2 43109774
n×3 64664661
n×4 86219548
n×5 107774435

Division

n÷y
n÷2 10777443.5
n÷3 7184962.3333333
n÷3 5388721.75
n÷5 4310977.4

Exponentiation

ny
n2 464613153582769
n3 1.001468402419E+22
n4 2.1586538248213E+29
n5 4.652953926614E+36

Nth Root

y√n
2√n 4642.7240925991
3√n 278.30130969688
4√n 68.137538057954
5√n 29.289310636026

Divisors of 21554887

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 -21554886
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 21554887 can be divided by 8 positive divisors. The sum of these divisors (counting 21554887) is 1, the average is 0.125.

Base conversion 21554887

Base System Value
2 Binary 1010010001110011011000111
3 Ternary 1111120002202011
4 Quaternary 1102032123013
5 Quinary 21004224022
6 Senary 2045555051
8 Octal 122163307
10 Decimal 21554887
12 Duodecimal 7275a87
16 Hexadecimal 148e6c7
20 Vigesimal 6ee747
36 Base36 ctzuv

Cryptographic Hash Functions

md5 599f8c184fd38a856a55c86d07c706f0
sha1 9b9975873cd47884e295267c3160336e841f05b3
sha256 70c5b8bcf1a51dd6349fed8e74bce9b49628504fe860edb6639d9cf7aafcea2f
sha512 c606463e2ba8d578d0c1490fa8a268a33a5993687ebfadf8d7be702f04f5916a23e04e880270e48d39547a6d111b32d784bab84772cb5559b65594db6a2b4ec2
ripemd-160 a49a474841d9a2ea528725877d35f560ab2748d1

21554887 as geometric shapes

Circle

Radius = n
Diameter 43109774
Circumference 135433349.29632
Area 1.4596252700568E+15

Sphere

Radius = n
Volume 4.1949410344559E+22
Surface area 5.8385010802273E+15
Circumference 135433349.29632

Square

Length = n
Perimeter 86219548
Area 464613153582769
Diagonal 30483213.53082

Cube

Length = n
Surface area 2787678921496614
Volume 1.001468402419E+22
Space diagonal 37334159.435406

Equilateral Triangle

Length = n
Perimeter 64664661
Area 2.0118339696754E+14
Altitude 18667079.717703

Triangular Pyramid

Length = n
Surface area 2.0118339696754E+14
Volume 1.1802418308242E+21
Height 10161071.17694