21406720 (number)

21406720 is an even 8-digits composite number following 21406719 and preceding 21406721. In scientific notation, it is written as 2.1406720 × 10^7. The sum of its digits is 22. It has a total of 13 prime factors and 88 positive divisors. There are 8257536 positive integers (up to 21406720) that are relatively prime to 21406720.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred six thousand seven hundred twenty

Notation

Scientific notation 2.1406720 × 10^7
Engineering notation 2.1406720 × 10^6

Prime Factorization of 21406720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 13
Total number of prime factors
rad Radical 41810
Product of the distinct prime numbers

The prime factorization of 21406720 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 37 × 113. Since it has a total of 13 prime factors.

Most popular turbo-numbers

1, 10, 14, 39, 303, 519, 6081, 1845, 99317, 67591, 35465, 699721, 1330619, 8115616, 90707261, 60494502, 284130945, 799047780, 7983075648, 9154925620

Basic calculations (n = 21406720)

Multiplication

n×y
n×2 42813440
n×3 64220160
n×4 85626880
n×5 107033600

Division

n÷y
n÷2 10703360
n÷3 7135573.3333333
n÷3 5351680
n÷5 4281344

Exponentiation

ny
n2 458247661158400
n3 9.8095793730727E+21
n4 2.0999091895714E+29
n5 4.4952168046583E+36

Nth Root

y√n
2√n 4626.739672815
3√n 277.66216747519
4√n 68.02014167006
5√n 29.248932868321

Divisors of 21406720

1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 113, 128, 148, 160, 185, 226, 256, 296, 320, 370, 452, 512, 565, 592, 640, 740, 904, 1024, 1130, 1184, 1280, 1480, 1808, 2260, 2368, 2560, 2960, 3616, 4181, 4520, 4736, 5120, 5920, 7232, 8362, 9040, 9472, 11840, 14464, 16724, 18080, 18944, 20905, 23680, 28928, 33448, 36160, 37888, 41810, 47360, 57856, 66896, 72320, 83620, 94720, 115712, 133792, 144640, 167240, 189440, 267584, 289280, 334480, 535168, 578560, 668960, 1070336, 1337920, 2140672, 2675840, 4281344, 5351680, 10703360, 21406720

88 divisors

τ Total Divisors 88
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21406719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011363636363636
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 88
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21406720 can be divided by 88 positive divisors. The sum of these divisors (counting 21406720) is 1, the average is 0.011363636363636.

Base conversion 21406720

Base System Value
2 Binary 1010001101010010000000000
3 Ternary 1111021120111111
4 Quaternary 1101222100000
5 Quinary 20440003340
6 Senary 2042453104
8 Octal 121522000
10 Decimal 21406720
12 Duodecimal 7204194
16 Hexadecimal 146a400
20 Vigesimal 6dfgg0
36 Base36 cqtj4

Cryptographic Hash Functions

md5 f9cbc702aa6977ba07f18639bcad0f47
sha1 9fa14c27ff855dafa7564e8518ca3bc73a019fce
sha256 807e96f76a5bdb77a96779e8f3410980a93c149fb458e636436833caf4630dd0
sha512 2cfc84b31f777ed410da37c18d38156b7e7b6142c7c913e568d7bd357362342ebd77823335e3a484b31561f9fa0761569e3cd742d83963e0454c24de0ae22d2e
ripemd-160 d36d5875a9f28755d3d962ce6c63528da427c72b

21406720 as geometric shapes

Circle

Radius = n
Diameter 42813440
Circumference 134502388.57891
Area 1.4396274858199E+15

Sphere

Radius = n
Volume 4.1090269991002E+22
Surface area 5.7585099432797E+15
Circumference 134502388.57891

Square

Length = n
Perimeter 85626880
Area 458247661158400
Diagonal 30273673.749923

Cube

Length = n
Surface area 2749485966950400
Volume 9.8095793730727E+21
Space diagonal 37077526.663401

Equilateral Triangle

Length = n
Perimeter 64220160
Area 1.9842705789399E+14
Altitude 18538763.3317

Triangular Pyramid

Length = n
Surface area 1.9842705789399E+14
Volume 1.1560700158812E+21
Height 10091224.583308