21553280 (number)

21553280 is an even 8-digits composite number following 21553279 and preceding 21553281. In scientific notation, it is written as 2.1553280 × 10^7. The sum of its digits is 26. It has a total of 10 prime factors and 64 positive divisors. There are 6930432 positive integers (up to 21553280) that are relatively prime to 21553280.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1553280 × 10^7
Engineering notation 2.1553280 × 10^6

Prime Factorization of 21553280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 17 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 336770
Product of the distinct prime numbers

The prime factorization of 21553280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 17 × 283. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21553280)

Multiplication

n×y
n×2 43106560
n×3 64659840
n×4 86213120
n×5 107766400

Division

n÷y
n÷2 10776640
n÷3 7184426.6666667
n÷3 5388320
n÷5 4310656

Exponentiation

ny
n2 464543878758400
n3 1.0012444291166E+22
n4 2.158010152919E+29
n5 4.6512197068706E+36

Nth Root

y√n
2√n 4642.5510228752
3√n 278.29439337949
4√n 68.13626804335
5√n 29.288873896776

Divisors of 21553280

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553280 can be divided by 64 positive divisors. The sum of these divisors (counting 21553280) is 1, the average is 0.015625.

Base conversion 21553280

Base System Value
2 Binary 1010010001110000010000000
3 Ternary 1111120000112122
4 Quaternary 1102032002000
5 Quinary 21004201110
6 Senary 2045543412
8 Octal 122160200
10 Decimal 21553280
12 Duodecimal 7274b68
16 Hexadecimal 148e080
20 Vigesimal 6ee340
36 Base36 ctym8

Cryptographic Hash Functions

md5 ccb5092e28373d4a7322571716f0a243
sha1 e2f7b32413c0e320113ed797b35ee07e64fd02dd
sha256 577a096354e804e36f3d3d3f8dc5361cb68228bb82c9ec6f792833603e5846a0
sha512 17362c3fe917f8846bdb33ee81fb708f74811fe7f9dedcec49d72ce0642856a0ce820e6838420520ed68e001d00fbcc4c3c36bcb6b9bbee2872571ba24682a4c
ripemd-160 681e0610c673cb98d427e1770f0dd82d42b42153

21553280 as geometric shapes

Circle

Radius = n
Diameter 43106560
Circumference 135423252.21753
Area 1.4594076367775E+15

Sphere

Radius = n
Volume 4.1940028572805E+22
Surface area 5.83763054711E+15
Circumference 135423252.21753

Square

Length = n
Perimeter 86213120
Area 464543878758400
Diagonal 30480940.889625

Cube

Length = n
Surface area 2787263272550400
Volume 1.0012444291166E+22
Space diagonal 37331376.029758

Equilateral Triangle

Length = n
Perimeter 64659840
Area 2.0115340008867E+14
Altitude 18665688.014879

Triangular Pyramid

Length = n
Surface area 2.0115340008867E+14
Volume 1.179977875756E+21
Height 10160313.629875