21307788 (number)

21307788 is an even 8-digits composite number following 21307787 and preceding 21307789. In scientific notation, it is written as 2.1307788 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 6739200 positive integers (up to 21307788) that are relatively prime to 21307788.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seven thousand seven hundred eighty-eight

Notation

Scientific notation 2.1307788 × 10^7
Engineering notation 2.1307788 × 10^6

Prime Factorization of 21307788

Prime Factorization 2 × 2 × 3 × 3 × 61 × 31 × 313

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3551298
Product of the distinct prime numbers

The prime factorization of 21307788 is 2 × 2 × 3 × 3 × 61 × 31 × 313. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 8, 50, 23, 480, 747, 6221, 113, 33182, 1610, 579957, 341560, 228475, 6843738, 86171694, 6485592, 605447934, 732576223, 4030472494, 8295000927

Basic calculations (n = 21307788)

Multiplication

n×y
n×2 42615576
n×3 63923364
n×4 85231152
n×5 106538940

Division

n÷y
n÷2 10653894
n÷3 7102596
n÷3 5326947
n÷5 4261557.6

Exponentiation

ny
n2 454021829452944
n3 9.6742008893555E+21
n4 2.061358216198E+29
n5 4.3922983862805E+36

Nth Root

y√n
2√n 4616.0359617317
3√n 277.23376461957
4√n 67.941415658872
5√n 29.221847732768

Divisors of 21307788

1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 61, 62, 93, 122, 124, 183, 186, 244, 279, 313, 366, 372, 549, 558, 626, 732, 939, 1098, 1116, 1252, 1878, 1891, 2196, 2817, 3756, 3782, 5634, 5673, 7564, 9703, 11268, 11346, 17019, 19093, 19406, 22692, 29109, 34038, 38186, 38812, 57279, 58218, 68076, 76372, 87327, 114558, 116436, 171837, 174654, 229116, 343674, 349308, 591883, 687348, 1183766, 1775649, 2367532, 3551298, 5326947, 7102596, 10653894, 21307788

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21307787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21307788 can be divided by 72 positive divisors. The sum of these divisors (counting 21307788) is 1, the average is 0.013888888888889.

Base conversion 21307788

Base System Value
2 Binary 1010001010010000110001100
3 Ternary 1111002112210100
4 Quaternary 1101102012030
5 Quinary 20423322123
6 Senary 2040411100
8 Octal 121220614
10 Decimal 21307788
12 Duodecimal 7176a90
16 Hexadecimal 145218c
20 Vigesimal 6d3998
36 Base36 cop70

Cryptographic Hash Functions

md5 f826d8b9ea0de21eb4b79e657ee1f4b6
sha1 19ea1919a26b4802956ce4b837bdc6c387a43d01
sha256 69dfc60e235ef558c87b6c7b5bfeb168e83fecb19fc1d62377bdff9f846cd652
sha512 5b3cb4467238d0882c6ab12d852fe0916b9d841ee013f515c42ce274313a51ba1523b9b3d384fe65783146f6563bb1593b0d1b6c51aba6d2f4e1e56ab7db7804
ripemd-160 4c96b85b844f1f9a4b8c81419223b1768b29dfb1

21307788 as geometric shapes

Circle

Radius = n
Diameter 42615576
Circumference 133880780.4901
Area 1.4263516439788E+15

Sphere

Radius = n
Volume 4.0523197924468E+22
Surface area 5.7054065759151E+15
Circumference 133880780.4901

Square

Length = n
Perimeter 85231152
Area 454021829452944
Diagonal 30133762.773771

Cube

Length = n
Surface area 2724130976717664
Volume 9.6742008893555E+21
Space diagonal 36906171.412906

Equilateral Triangle

Length = n
Perimeter 63923364
Area 1.9659721908947E+14
Altitude 18453085.706453

Triangular Pyramid

Length = n
Surface area 1.9659721908947E+14
Volume 1.1401155085707E+21
Height 10044587.591257