21554885 (number)

21554885 is an odd 8-digits composite number following 21554884 and preceding 21554886. In scientific notation, it is written as 2.1554885 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 15676240 positive integers (up to 21554885) that are relatively prime to 21554885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1554885 × 10^7
Engineering notation 2.1554885 × 10^6

Prime Factorization of 21554885

Prime Factorization 5 × 11 × 391907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21554885
Product of the distinct prime numbers

The prime factorization of 21554885 is 5 × 11 × 391907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554885)

Multiplication

n×y
n×2 43109770
n×3 64664655
n×4 86219540
n×5 107774425

Division

n÷y
n÷2 10777442.5
n÷3 7184961.6666667
n÷3 5388721.25
n÷5 4310977

Exponentiation

ny
n2 464613067363225
n3 1.0014681236512E+22
n4 2.1586530236466E+29
n5 4.6529517679606E+36

Nth Root

y√n
2√n 4642.7238772083
3√n 278.30130108936
4√n 68.137536477395
5√n 29.289310092496

Divisors of 21554885

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 -21554884
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 21554885 can be divided by 8 positive divisors. The sum of these divisors (counting 21554885) is 1, the average is 0.125.

Base conversion 21554885

Base System Value
2 Binary 1010010001110011011000101
3 Ternary 1111120002202002
4 Quaternary 1102032123011
5 Quinary 21004224020
6 Senary 2045555045
8 Octal 122163305
10 Decimal 21554885
12 Duodecimal 7275a85
16 Hexadecimal 148e6c5
20 Vigesimal 6ee745
36 Base36 ctzut

Cryptographic Hash Functions

md5 f1a733a7f3f1febe8ae2e8b448f11051
sha1 b20b92f3df85f60e904c88652e6b711be398b37d
sha256 f2faa855e27c50e5c5fecbdc4f6522cc869e3f64c3c8923193e8da95b6232e85
sha512 df061dd56782d6d8c5240c2f85a0bc45e04e04b842ef43f2ceb4344e18a6454f04914f71e7d98860a3ea92c7ac64ffc528513ea95b79294c8873b8c13d4ec956
ripemd-160 79b22bacf28c19803af6a1a09528af0e7031c067

21554885 as geometric shapes

Circle

Radius = n
Diameter 43109770
Circumference 135433336.72995
Area 1.4596249991901E+15

Sphere

Radius = n
Volume 4.1949398667558E+22
Surface area 5.8384999967605E+15
Circumference 135433336.72995

Square

Length = n
Perimeter 86219540
Area 464613067363225
Diagonal 30483210.702392

Cube

Length = n
Surface area 2787678404179350
Volume 1.0014681236512E+22
Space diagonal 37334155.971304

Equilateral Triangle

Length = n
Perimeter 64664655
Area 2.0118335963338E+14
Altitude 18667077.985652

Triangular Pyramid

Length = n
Surface area 2.0118335963338E+14
Volume 1.1802415022932E+21
Height 10161070.234131