21979910 (number)

21979910 is an even 8-digits composite number following 21979909 and preceding 21979911. In scientific notation, it is written as 2.1979910 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 8779008 positive integers (up to 21979910) that are relatively prime to 21979910.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred seventy-nine thousand nine hundred ten

Notation

Scientific notation 2.1979910 × 10^7
Engineering notation 2.1979910 × 10^6

Prime Factorization of 21979910

Prime Factorization 2 × 5 × 967 × 2273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21979910
Product of the distinct prime numbers

The prime factorization of 21979910 is 2 × 5 × 967 × 2273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 73, 82, 43, 236, 2138, 4681, 57165, 64264, 29086, 569002, 8068656, 5229623, 24405065, 27186326, 542792484, 756010586, 7550485695, 4111918060

Basic calculations (n = 21979910)

Multiplication

n×y
n×2 43959820
n×3 65939730
n×4 87919640
n×5 109899550

Division

n÷y
n÷2 10989955
n÷3 7326636.6666667
n÷3 5494977.5
n÷5 4395982

Exponentiation

ny
n2 483116443608100
n3 1.0618855950026E+22
n4 2.3340149808454E+29
n5 5.1301439217633E+36

Nth Root

y√n
2√n 4688.2736694865
3√n 280.11861471086
4√n 68.470969538093
5√n 29.403916579445

Divisors of 21979910

1, 2, 5, 10, 967, 1934, 2273, 4546, 4835, 9670, 11365, 22730, 2197991, 4395982, 10989955, 21979910

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 -21979909
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 21979910 can be divided by 16 positive divisors. The sum of these divisors (counting 21979910) is 1, the average is 0.0625.

Base conversion 21979910

Base System Value
2 Binary 1010011110110001100000110
3 Ternary 1112100200202202
4 Quaternary 1103312030012
5 Quinary 21111324120
6 Senary 2103034502
8 Octal 123661406
10 Decimal 21979910
12 Duodecimal 743ba32
16 Hexadecimal 14f6306
20 Vigesimal 6h79fa
36 Base36 d33t2

Cryptographic Hash Functions

md5 488e74a8667563679b04d9e2fa41d9f1
sha1 28a4364e7c24181b6433fcd6b479f70593e20869
sha256 811940ee558a1bb8e4e14b0746dbba0a2293947b697fa48a153fa7e35fea1342
sha512 fdb1545a93ea0dde4ec383fe1821b5839d3ccd82c00b978f42dfdef6ecbd410e46260bdf33c47a42cf6ff1494ea657b309eef5cc6e1d0d0e221a60c5d6c573be
ripemd-160 028dc85914c65c6d981a6d415d8f7d4d98cd58f0

21979910 as geometric shapes

Circle

Radius = n
Diameter 43959820
Circumference 138103847.56513
Area 1.5177550700676E+15

Sphere

Radius = n
Volume 4.4480159789507E+22
Surface area 6.0710202802705E+15
Circumference 138103847.56513

Square

Length = n
Perimeter 87919640
Area 483116443608100
Diagonal 31084286.82174

Cube

Length = n
Surface area 2898698661648600
Volume 1.0618855950026E+22
Space diagonal 38070320.865791

Equilateral Triangle

Length = n
Perimeter 65939730
Area 2.091955565753E+14
Altitude 19035160.432896

Triangular Pyramid

Length = n
Surface area 2.091955565753E+14
Volume 1.2514441751178E+21
Height 10361428.94058