21540904 (number)

21540904 is an even 8-digits composite number following 21540903 and preceding 21540905. In scientific notation, it is written as 2.1540904 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 80 positive divisors. There are 7898880 positive integers (up to 21540904) that are relatively prime to 21540904.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty thousand nine hundred four

Notation

Scientific notation 2.1540904 × 10^7
Engineering notation 2.1540904 × 10^6

Prime Factorization of 21540904

Prime Factorization 2 × 2 × 2 × 7 × 187 × 17 × 11 × 11

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 489566
Product of the distinct prime numbers

The prime factorization of 21540904 is 2 × 2 × 2 × 7 × 187 × 17 × 11 × 11. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 5, 91, 8, 628, 646, 2674, 345, 97902, 14057, 945312, 921919, 3888017, 2547130, 59300444, 55764682, 547504802, 860219054, 9931294247, 953933717

Basic calculations (n = 21540904)

Multiplication

n×y
n×2 43081808
n×3 64622712
n×4 86163616
n×5 107704520

Division

n÷y
n÷2 10770452
n÷3 7180301.3333333
n÷3 5385226
n÷5 4308180.8

Exponentiation

ny
n2 464010545137216
n3 9.9952066077884E+21
n4 2.1530578599854E+29
n5 4.637881266839E+36

Nth Root

y√n
2√n 4641.2179436006
3√n 278.24111717524
4√n 68.126484890977
5√n 29.285509560704

Divisors of 21540904

1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 121, 136, 154, 187, 238, 242, 308, 374, 476, 484, 616, 748, 847, 952, 968, 1309, 1496, 1694, 2057, 2618, 3179, 3388, 4114, 5236, 6358, 6776, 8228, 10472, 12716, 14399, 16456, 22253, 22627, 25432, 28798, 34969, 44506, 45254, 57596, 69938, 89012, 90508, 115192, 139876, 158389, 178024, 181016, 244783, 279752, 316778, 384659, 489566, 633556, 769318, 979132, 1267112, 1538636, 1958264, 2692613, 3077272, 5385226, 10770452, 21540904

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21540903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21540904 can be divided by 80 positive divisors. The sum of these divisors (counting 21540904) is 1, the average is 0.0125.

Base conversion 21540904

Base System Value
2 Binary 1010010001011000000101000
3 Ternary 1111112101120021
4 Quaternary 1102023000220
5 Quinary 21003302104
6 Senary 2045410224
8 Octal 122130050
10 Decimal 21540904
12 Duodecimal 7269974
16 Hexadecimal 148b028
20 Vigesimal 6ecc54
36 Base36 ctp2g

Cryptographic Hash Functions

md5 8978a8da9a4efc8371dd73af5c38cb36
sha1 82449c7c543a7a720dcea742a5a5ef20f9c91582
sha256 afe5eef3211cc28d2e184a00cc73c044ba39c0b2cd88d802725cc526f914ddc5
sha512 47487d40940f640e7cfe11f54d673fc5f937d3932b0973d1ddeab74eb6229de126bc3981f52d0c6365005d7132b3ffae6087e8e0a2559350a250ec70b361e169
ripemd-160 5ff3b250c9f2c513aff9879c77e62c6f20303e06

21540904 as geometric shapes

Circle

Radius = n
Diameter 43081808
Circumference 135345491.51617
Area 1.4577321197913E+15

Sphere

Radius = n
Volume 4.186782353352E+22
Surface area 5.8309284791651E+15
Circumference 135345491.51617

Square

Length = n
Perimeter 86163616
Area 464010545137216
Diagonal 30463438.582577

Cube

Length = n
Surface area 2784063270823296
Volume 9.9952066077884E+21
Space diagonal 37309940.168964

Equilateral Triangle

Length = n
Perimeter 64622712
Area 2.0092245985635E+14
Altitude 18654970.084482

Triangular Pyramid

Length = n
Surface area 2.0092245985635E+14
Volume 1.177946395288E+21
Height 10154479.527526