21371909 (number)

21371909 is an odd 8-digits composite number following 21371908 and preceding 21371910. In scientific notation, it is written as 2.1371909 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 19727760 positive integers (up to 21371909) that are relatively prime to 21371909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1371909 × 10^7
Engineering notation 2.1371909 × 10^6

Prime Factorization of 21371909

Prime Factorization 13 × 13 × 126461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1643993
Product of the distinct prime numbers

The prime factorization of 21371909 is 13 × 13 × 126461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371909)

Multiplication

n×y
n×2 42743818
n×3 64115727
n×4 85487636
n×5 106859545

Division

n÷y
n÷2 10685954.5
n÷3 7123969.6666667
n÷3 5342977.25
n÷5 4274381.8

Exponentiation

ny
n2 456758494304281
n3 9.7618009752481E+21
n4 2.0862832211911E+29
n5 4.4587855151524E+36

Nth Root

y√n
2√n 4622.9762058657
3√n 277.51157704048
4√n 67.992471685222
5√n 29.239413917766

Divisors of 21371909

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21371908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21371909 can be divided by 6 positive divisors. The sum of these divisors (counting 21371909) is 1, the average is 0.16666666666667.

Base conversion 21371909

Base System Value
2 Binary 1010001100001110000000101
3 Ternary 1111012210202012
4 Quaternary 1101201300011
5 Quinary 20432400114
6 Senary 2042024005
8 Octal 121416005
10 Decimal 21371909
12 Duodecimal 71a8005
16 Hexadecimal 1461c05
20 Vigesimal 6db9f9
36 Base36 cq2o5

Cryptographic Hash Functions

md5 efc6c3f1896c968f70a17b4e44ac963a
sha1 7563c878ef73c76cbcd4403cfb7dd405793c47c8
sha256 9a59fa9486b145e19fd10ad7b1b43af13f8f09b565c225240331a05eaa44e571
sha512 3314e64f371c6458ecf63251201bfb4d28b201f5edbdc7e0ef6064b0f559a68604c8f2441167cbabcd8d70427edfc10a8e4ca712627fc1c77514506e12a00910
ripemd-160 6b12eac4a1b5ff37fba4c444e5f2d54b1ad1f14d

21371909 as geometric shapes

Circle

Radius = n
Diameter 42743818
Circumference 134283664.61518
Area 1.4349491301711E+15

Sphere

Radius = n
Volume 4.0890136306194E+22
Surface area 5.7397965206843E+15
Circumference 134283664.61518

Square

Length = n
Perimeter 85487636
Area 456758494304281
Diagonal 30224443.561604

Cube

Length = n
Surface area 2740550965825686
Volume 9.7618009752481E+21
Space diagonal 37017232.242739

Equilateral Triangle

Length = n
Perimeter 64115727
Area 1.9778222973092E+14
Altitude 18508616.121369

Triangular Pyramid

Length = n
Surface area 1.9778222973092E+14
Volume 1.1504392776986E+21
Height 10074814.520535