21551680 (number)

21551680 is an even 8-digits composite number following 21551679 and preceding 21551681. In scientific notation, it is written as 2.1551680 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 28 positive divisors. There are 8620544 positive integers (up to 21551680) that are relatively prime to 21551680.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551680 × 10^7
Engineering notation 2.1551680 × 10^6

Prime Factorization of 21551680

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 67349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 673490
Product of the distinct prime numbers

The prime factorization of 21551680 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 67349. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 8, 21, 44, 236, 358, 1439, 9773, 11637, 80013, 274206, 585190, 893205, 1386712, 33067972, 27147524, 622835148, 267362259, 1695923587, 8774696020

Basic calculations (n = 21551680)

Multiplication

n×y
n×2 43103360
n×3 64655040
n×4 86206720
n×5 107758400

Division

n÷y
n÷2 10775840
n÷3 7183893.3333333
n÷3 5387920
n÷5 4310336

Exponentiation

ny
n2 464474910822400
n3 1.0010214646073E+22
n4 2.1573694278348E+29
n5 4.6494935550478E+36

Nth Root

y√n
2√n 4642.3787006232
3√n 278.28750684764
4√n 68.1350034903
5√n 29.288439034057

Divisors of 21551680

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 67349, 134698, 269396, 336745, 538792, 673490, 1077584, 1346980, 2155168, 2693960, 4310336, 5387920, 10775840, 21551680

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551680 can be divided by 28 positive divisors. The sum of these divisors (counting 21551680) is 1, the average is 0.035714285714286.

Base conversion 21551680

Base System Value
2 Binary 1010010001101101001000000
3 Ternary 1111112221100101
4 Quaternary 1102031221000
5 Quinary 21004123210
6 Senary 2045532144
8 Octal 122155100
10 Decimal 21551680
12 Duodecimal 7274054
16 Hexadecimal 148da40
20 Vigesimal 6edj40
36 Base36 ctxds

Cryptographic Hash Functions

md5 05869cd8e388776bf2d8a048e1d87bd5
sha1 0413e932d5bf344ff39bfb70384b0118277eb160
sha256 62d4111750146969b8c9e169d020f46a4e6700cfa45d36befcf6bb7cafb33646
sha512 da077cd93f56f10cb23f6eb451566eccd63e5e2c46f989256a8d0f3941836d79efe0a955c47daa048f801ea6d9ff34f6461b44dbcc2b2f6760b4f1928c311418
ripemd-160 4fe682f9c81d2941318dee2d0608040340f19b9e

21551680 as geometric shapes

Circle

Radius = n
Diameter 43103360
Circumference 135413199.12104
Area 1.4591909676164E+15

Sphere

Radius = n
Volume 4.1930689057279E+22
Surface area 5.8367638704657E+15
Circumference 135413199.12104

Square

Length = n
Perimeter 86206720
Area 464474910822400
Diagonal 30478678.147925

Cube

Length = n
Surface area 2786849464934400
Volume 1.0010214646073E+22
Space diagonal 37328604.748466

Equilateral Triangle

Length = n
Perimeter 64655040
Area 2.0112353609636E+14
Altitude 18664302.374233

Triangular Pyramid

Length = n
Surface area 2.0112353609636E+14
Volume 1.1797151095618E+21
Height 10159559.382642