21356819 (number)

21356819 is an odd 8-digits composite number following 21356818 and preceding 21356820. In scientific notation, it is written as 2.1356819 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19382760 positive integers (up to 21356819) that are relatively prime to 21356819.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1356819 × 10^7
Engineering notation 2.1356819 × 10^6

Prime Factorization of 21356819

Prime Factorization 11 × 2467 × 787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21356819
Product of the distinct prime numbers

The prime factorization of 21356819 is 11 × 2467 × 787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356819)

Multiplication

n×y
n×2 42713638
n×3 64070457
n×4 85427276
n×5 106784095

Division

n÷y
n÷2 10678409.5
n÷3 7118939.6666667
n÷3 5339204.75
n÷5 4271363.8

Exponentiation

ny
n2 456113717798761
n3 9.7411381144452E+21
n4 2.0803972356421E+29
n5 4.4430667209708E+36

Nth Root

y√n
2√n 4621.3438521711
3√n 277.4462477388
4√n 67.980466695744
5√n 29.235283753989

Divisors of 21356819

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21356818
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21356819 can be divided by 8 positive divisors. The sum of these divisors (counting 21356819) is 1, the average is 0.125.

Base conversion 21356819

Base System Value
2 Binary 1010001011110000100010011
3 Ternary 1111012001001022
4 Quaternary 1101132010103
5 Quinary 20431404234
6 Senary 2041430055
8 Octal 121360423
10 Decimal 21356819
12 Duodecimal 719b32b
16 Hexadecimal 145e113
20 Vigesimal 6d9c0j
36 Base36 cpr0z

Cryptographic Hash Functions

md5 9f190f5c1e7839b7d9943f4ee226c176
sha1 acc9aa40c8b05fb7d9dc9a1bb8cd547ea336c8d8
sha256 c34ff5b8dbb726d6ca5fda735b4f8f12bfebc6dffbc2eaa31d6e0ff74628fd60
sha512 4119814cc6d944e606260c7bf752d50d20c7237460283d522b8517b67d6431973ed3d56d563579ac80b51e38fcd20c355c7d91c451c75bd03e8ab1fee1bee98c
ripemd-160 c513a066e62c8cd09ed74225f35272766052b24b

21356819 as geometric shapes

Circle

Radius = n
Diameter 42713638
Circumference 134188851.34889
Area 1.4329235050381E+15

Sphere

Radius = n
Volume 4.0803583917259E+22
Surface area 5.7316940201525E+15
Circumference 134188851.34889

Square

Length = n
Perimeter 85427276
Area 456113717798761
Diagonal 30203103.078947

Cube

Length = n
Surface area 2736682306792566
Volume 9.7411381144452E+21
Space diagonal 36991095.596052

Equilateral Triangle

Length = n
Perimeter 64070457
Area 1.9750303331415E+14
Altitude 18495547.798026

Triangular Pyramid

Length = n
Surface area 1.9750303331415E+14
Volume 1.1480041361998E+21
Height 10067701.026316