21356810 (number)

21356810 is an even 8-digits composite number following 21356809 and preceding 21356811. In scientific notation, it is written as 2.1356810 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 8343888 positive integers (up to 21356810) that are relatively prime to 21356810.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-six thousand eight hundred ten

Notation

Scientific notation 2.1356810 × 10^7
Engineering notation 2.1356810 × 10^6

Prime Factorization of 21356810

Prime Factorization 2 × 5 × 43 × 49667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21356810
Product of the distinct prime numbers

The prime factorization of 21356810 is 2 × 5 × 43 × 49667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 77, 5, 302, 978, 5306, 5002, 23011, 5142, 791911, 481101, 9356933, 2611157, 20257844, 74897653, 946340112, 366230468, 7823100433, 3138568844

Basic calculations (n = 21356810)

Multiplication

n×y
n×2 42713620
n×3 64070430
n×4 85427240
n×5 106784050

Division

n÷y
n÷2 10678405
n÷3 7118936.6666667
n÷3 5339202.5
n÷5 4271362

Exponentiation

ny
n2 456113333376100
n3 9.74112579938E+21
n4 2.0803937288346E+29
n5 4.4430573591912E+36

Nth Root

y√n
2√n 4621.3428784283
3√n 277.44620876582
4√n 67.980459533812
5√n 29.235281289974

Divisors of 21356810

1, 2, 5, 10, 43, 86, 215, 430, 49667, 99334, 248335, 496670, 2135681, 4271362, 10678405, 21356810

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356810 can be divided by 16 positive divisors. The sum of these divisors (counting 21356810) is 1, the average is 0.0625.

Base conversion 21356810

Base System Value
2 Binary 1010001011110000100001010
3 Ternary 1111012001000222
4 Quaternary 1101132010022
5 Quinary 20431404220
6 Senary 2041430042
8 Octal 121360412
10 Decimal 21356810
12 Duodecimal 719b322
16 Hexadecimal 145e10a
20 Vigesimal 6d9c0a
36 Base36 cpr0q

Cryptographic Hash Functions

md5 86b002877dcd475d48f20d09f13a807d
sha1 4c4743cb61c1a41321612299b4d765f885840110
sha256 aa1c506244b5cdd7d8dd4264c10e4598fa2b744408c0dcb2a5f0df2196907cef
sha512 1b51bd05b8f8492101259ac9503d934f44e5c4ca05796425b0d0703c6b9d47d97f0a30c66817486c58d4d869812bab2c7672276e4aad6e944854ada0d37a44a1
ripemd-160 3beb0adf41d1a516ae9febfa42a82b86671e2e94

21356810 as geometric shapes

Circle

Radius = n
Diameter 42713620
Circumference 134188794.80023
Area 1.4329222973387E+15

Sphere

Radius = n
Volume 4.0803532332035E+22
Surface area 5.7316891893548E+15
Circumference 134188794.80023

Square

Length = n
Perimeter 85427240
Area 456113333376100
Diagonal 30203090.351025

Cube

Length = n
Surface area 2736680000256600
Volume 9.74112579938E+21
Space diagonal 36991080.007595

Equilateral Triangle

Length = n
Perimeter 64070430
Area 1.9750286685425E+14
Altitude 18495540.003798

Triangular Pyramid

Length = n
Surface area 1.9750286685425E+14
Volume 1.1480026848555E+21
Height 10067696.783675