21091371 (number)

21091371 is an odd 8-digits composite number following 21091370 and preceding 21091372. In scientific notation, it is written as 2.1091371 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11771424 positive integers (up to 21091371) that are relatively prime to 21091371.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091371 × 10^7
Engineering notation 2.1091371 × 10^6

Prime Factorization of 21091371

Prime Factorization 3 × 43 × 7 × 23357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091371
Product of the distinct prime numbers

The prime factorization of 21091371 is 3 × 43 × 7 × 23357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 97, 58, 667, 364, 8832, 2855, 25255, 83182, 857493, 193492, 6110443, 4066813, 44850715, 67046600, 283732727, 389733909, 1176030935, 1771823657

Basic calculations (n = 21091371)

Multiplication

n×y
n×2 42182742
n×3 63274113
n×4 84365484
n×5 105456855

Division

n÷y
n÷2 10545685.5
n÷3 7030457
n÷3 5272842.75
n÷5 4218274.2

Exponentiation

ny
n2 444845930659641
n3 9.3824105613828E+21
n4 1.9788790202444E+29
n5 4.1737271580092E+36

Nth Root

y√n
2√n 4592.5342677001
3√n 276.29197467602
4√n 67.768239372881
5√n 29.162245533315

Divisors of 21091371

1, 3, 7, 21, 43, 129, 301, 903, 23357, 70071, 163499, 490497, 1004351, 3013053, 7030457, 21091371

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 -21091370
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 21091371 can be divided by 16 positive divisors. The sum of these divisors (counting 21091371) is 1, the average is 0.0625.

Base conversion 21091371

Base System Value
2 Binary 1010000011101010000101011
3 Ternary 1110200112220220
4 Quaternary 1100131100223
5 Quinary 20344410441
6 Senary 2032021123
8 Octal 120352053
10 Decimal 21091371
12 Duodecimal 70917a3
16 Hexadecimal 141d42b
20 Vigesimal 6bg88b
36 Base36 ck27f

Cryptographic Hash Functions

md5 6ab97fffcbf4891bb8ac57046f7ba785
sha1 3ec1356b2b78fcc3068a1cf732c894193e4e373c
sha256 16ff637c1fd1dd7fb92d260640e8ab6feb62659f35da59b60a432dc8396e75a2
sha512 0fade2013b626489454a0e32cc718fee79d5792903208b49913705b3b2e31e7d79c5307d1c622401a074d7f038656a1a6b24625c5f4531e119bcb3c23e2e75f5
ripemd-160 602d27dd281b26d0ac9cbed2e20e76dbf4809025

21091371 as geometric shapes

Circle

Radius = n
Diameter 42182742
Circumference 132520992.37547
Area 1.3975247077396E+15

Sphere

Radius = n
Volume 3.9300949456804E+22
Surface area 5.5900988309586E+15
Circumference 132520992.37547

Square

Length = n
Perimeter 84365484
Area 444845930659641
Diagonal 29827702.917243

Cube

Length = n
Surface area 2669075583957846
Volume 9.3824105613828E+21
Space diagonal 36531326.173285

Equilateral Triangle

Length = n
Perimeter 63274113
Area 1.9262393836069E+14
Altitude 18265663.086642

Triangular Pyramid

Length = n
Surface area 1.9262393836069E+14
Volume 1.1057276886383E+21
Height 9942567.6390809