21691843 (number)

21691843 is an odd 8-digits prime number following 21691842 and preceding 21691844. In scientific notation, it is written as 2.1691843 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 21691842 positive integers (up to 21691843) that are relatively prime to 21691843.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred forty-three

Notation

Scientific notation 2.1691843 × 10^7
Engineering notation 2.1691843 × 10^6

Prime Factorization of 21691843

Prime Factorization 21691843

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21691843
Product of the distinct prime numbers

The prime factorization of 21691843 is 21691843. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 67, 4, 332, 624, 1413, 4105, 25380, 27053, 511309, 569284, 8404205, 1998946, 16188281, 94883354, 725132812, 720347647, 4376789533, 73506072

Basic calculations (n = 21691843)

Multiplication

n×y
n×2 43383686
n×3 65075529
n×4 86767372
n×5 108459215

Division

n÷y
n÷2 10845921.5
n÷3 7230614.3333333
n÷3 5422960.75
n÷5 4338368.6

Exponentiation

ny
n2 470536052736649
n3 1.0206794181803E+22
n4 2.2140417692499E+29
n5 4.802664645401E+36

Nth Root

y√n
2√n 4657.4502681188
3√n 278.88949174104
4√n 68.245514637365
5√n 29.326436236006

Divisors of 21691843

1, 21691843

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21691844
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10845922
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4657.4503754737
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999077994
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691843 can be divided by 2 positive divisors. The sum of these divisors (counting 21691843) is 21691844, the average is 10845922.

Base conversion 21691843

Base System Value
2 Binary 1010010101111110111000011
3 Ternary 1111211001121121
4 Quaternary 1102233313003
5 Quinary 21023114333
6 Senary 2052533111
8 Octal 122576703
10 Decimal 21691843
12 Duodecimal 7321197
16 Hexadecimal 14afdc3
20 Vigesimal 6fb9c3
36 Base36 cwxj7

Cryptographic Hash Functions

md5 da34c80d10bb74b1eddf37e776ed13ad
sha1 6644015fb855ae07338758b2a8b3620f831193b3
sha256 a9c27ab63148d667f31356db3dc0a1d57f786764e66adb84864941492af28c41
sha512 eab7966c7f58fb11711510b6736c29f1e878083bfbde301e1b68729d4761afb5cb9d8ab50febcbfa8fe71bf62eceacb263465de934ad881017d8560ea9038c25
ripemd-160 4d81a557d37fce5d13fcfcb53f5d17662071875d

21691843 as geometric shapes

Circle

Radius = n
Diameter 43383686
Circumference 136293869.22325
Area 1.4782326065266E+15

Sphere

Radius = n
Volume 4.2754119491008E+22
Surface area 5.9129304261064E+15
Circumference 136293869.22325

Square

Length = n
Perimeter 86767372
Area 470536052736649
Diagonal 30676898.563468

Cube

Length = n
Surface area 2823216316419894
Volume 1.0206794181803E+22
Space diagonal 37571374.185807

Equilateral Triangle

Length = n
Perimeter 65075529
Area 2.037480875332E+14
Altitude 18785687.092904

Triangular Pyramid

Length = n
Surface area 2.037480875332E+14
Volume 1.2028822300214E+21
Height 10225632.854489