21568689 (number)

21568689 is an odd 8-digits composite number following 21568688 and preceding 21568690. In scientific notation, it is written as 2.1568689 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 13989600 positive integers (up to 21568689) that are relatively prime to 21568689.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand six hundred eighty-nine

Notation

Scientific notation 2.1568689 × 10^7
Engineering notation 2.1568689 × 10^6

Prime Factorization of 21568689

Prime Factorization 3 × 3 × 59 × 151 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7189563
Product of the distinct prime numbers

The prime factorization of 21568689 is 3 × 3 × 59 × 151 × 269. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 6, 60, 56, 774, 134, 9562, 9268, 70512, 30848, 807799, 188866, 9697825, 8420830, 99853676, 62633758, 121087437, 100593525, 590902078, 5318440837

Basic calculations (n = 21568689)

Multiplication

n×y
n×2 43137378
n×3 64706067
n×4 86274756
n×5 107843445

Division

n÷y
n÷2 10784344.5
n÷3 7189563
n÷3 5392172.25
n÷5 4313737.8

Exponentiation

ny
n2 465208345178721
n3 1.0033934117364E+22
n4 2.1641880442392E+29
n5 4.6678698863714E+36

Nth Root

y√n
2√n 4644.2102665577
3√n 278.36069754587
4√n 68.148442876985
5√n 29.293060575103

Divisors of 21568689

1, 3, 9, 59, 151, 177, 269, 453, 531, 807, 1359, 2421, 8909, 15871, 26727, 40619, 47613, 80181, 121857, 142839, 365571, 2396521, 7189563, 21568689

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568688
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568689 can be divided by 24 positive divisors. The sum of these divisors (counting 21568689) is 1, the average is 0.041666666666667.

Base conversion 21568689

Base System Value
2 Binary 1010010010001110010110001
3 Ternary 1111120210200100
4 Quaternary 1102101302301
5 Quinary 21010144224
6 Senary 2050143013
8 Octal 122216261
10 Decimal 21568689
12 Duodecimal 7281a69
16 Hexadecimal 1491cb1
20 Vigesimal 6eg1e9
36 Base36 cuai9

Cryptographic Hash Functions

md5 e2690ed3724326915ebf4246017a55d3
sha1 510f4a2ffe6772ace4bef06cec402511c707cc86
sha256 fab095077ad3bb615c9dcaf1bc2e78936a8ac6a09453b0cef51578727db0e265
sha512 091ae8003eb2fc5f190af57af6959f05a820210388269a16b90b174842c79a893cb28bf7afe5e1e61633f1fd472691a79dcf9fb5cd5f9fdee73c32ddfece146e
ripemd-160 7dc7decad4b2223fd9963ad46b5f7b0cb1acdc3e

21568689 as geometric shapes

Circle

Radius = n
Diameter 43137378
Circumference 135520069.81993
Area 1.4614951196021E+15

Sphere

Radius = n
Volume 4.2030044946288E+22
Surface area 5.8459804784085E+15
Circumference 135520069.81993

Square

Length = n
Perimeter 86274756
Area 465208345178721
Diagonal 30502732.506407

Cube

Length = n
Surface area 2791250071072326
Volume 1.0033934117364E+22
Space diagonal 37358065.200652

Equilateral Triangle

Length = n
Perimeter 64706067
Area 2.0144112248865E+14
Altitude 18679032.600326

Triangular Pyramid

Length = n
Surface area 2.0144112248865E+14
Volume 1.1825104760612E+21
Height 10167577.502136