21356870 (number)

21356870 is an even 8-digits composite number following 21356869 and preceding 21356871. In scientific notation, it is written as 2.1356870 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8542744 positive integers (up to 21356870) that are relatively prime to 21356870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1356870 × 10^7
Engineering notation 2.1356870 × 10^6

Prime Factorization of 21356870

Prime Factorization 2 × 5 × 2135687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21356870
Product of the distinct prime numbers

The prime factorization of 21356870 is 2 × 5 × 2135687. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21356870)

Multiplication

n×y
n×2 42713740
n×3 64070610
n×4 85427480
n×5 106784350

Division

n÷y
n÷2 10678435
n÷3 7118956.6666667
n÷3 5339217.5
n÷5 4271374

Exponentiation

ny
n2 456115896196900
n3 9.7412079000107E+21
n4 2.080417107635E+29
n5 4.4431197713537E+36

Nth Root

y√n
2√n 4621.3493700433
3√n 277.44646858548
4√n 67.980507279979
5√n 29.235297716724

Divisors of 21356870

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 -21356869
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 21356870 can be divided by 8 positive divisors. The sum of these divisors (counting 21356870) is 1, the average is 0.125.

Base conversion 21356870

Base System Value
2 Binary 1010001011110000101000110
3 Ternary 1111012001010012
4 Quaternary 1101132011012
5 Quinary 20431404440
6 Senary 2041430222
8 Octal 121360506
10 Decimal 21356870
12 Duodecimal 719b372
16 Hexadecimal 145e146
20 Vigesimal 6d9c3a
36 Base36 cpr2e

Cryptographic Hash Functions

md5 6a9ed72b7976050ab7942dc050980818
sha1 81c3bf33680d651dd4bb96499c7a885ed5830360
sha256 367cb91bb7c12d775a9d7198a99f64617dc18fa62b36d86567d40bf922f89cbe
sha512 763caf97f6f09f994024e81f65de811d6b6a650682d140bf7c9e630b5435bf7506c456bcc5afb5f77a20bb22490ec6ade0ae287e99f51a8ec6860b0327c8446e
ripemd-160 43ec6995396c06654bc30bf56b1c777e376c0211

21356870 as geometric shapes

Circle

Radius = n
Diameter 42713740
Circumference 134189171.79134
Area 1.4329303486777E+15

Sphere

Radius = n
Volume 4.0803876234353E+22
Surface area 5.7317213947108E+15
Circumference 134189171.79134

Square

Length = n
Perimeter 85427480
Area 456115896196900
Diagonal 30203175.203839

Cube

Length = n
Surface area 2736695377181400
Volume 9.7412079000107E+21
Space diagonal 36991183.930644

Equilateral Triangle

Length = n
Perimeter 64070610
Area 1.9750397658821E+14
Altitude 18495591.965322

Triangular Pyramid

Length = n
Surface area 1.9750397658821E+14
Volume 1.1480123605076E+21
Height 10067725.067946