21695931 (number)

21695931 is an odd 8-digits composite number following 21695930 and preceding 21695932. In scientific notation, it is written as 2.1695931 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 14223600 positive integers (up to 21695931) that are relatively prime to 21695931.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-five thousand nine hundred thirty-one

Notation

Scientific notation 2.1695931 × 10^7
Engineering notation 2.1695931 × 10^6

Prime Factorization of 21695931

Prime Factorization 9 × 9 × 61 × 4391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2410659
Product of the distinct prime numbers

The prime factorization of 21695931 is 9 × 9 × 61 × 4391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 2, 78, 270, 33, 6270, 6402, 52346, 1929, 811348, 945783, 939080, 5288525, 41858302, 61990327, 337670650, 297807356, 681182128, 3375953514

Basic calculations (n = 21695931)

Multiplication

n×y
n×2 43391862
n×3 65087793
n×4 86783724
n×5 108479655

Division

n÷y
n÷2 10847965.5
n÷3 7231977
n÷3 5423982.75
n÷5 4339186.2

Exponentiation

ny
n2 470713421956761
n3 1.0212565923548E+22
n4 2.2157112561024E+29
n5 4.8071918528322E+36

Nth Root

y√n
2√n 4657.8891141804
3√n 278.90701028675
4√n 68.248729762395
5√n 29.327541512629

Divisors of 21695931

1, 9, 61, 81, 549, 4391, 4941, 39519, 267851, 355671, 2410659, 21695931

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21695930
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21695931 can be divided by 12 positive divisors. The sum of these divisors (counting 21695931) is 1, the average is 0.083333333333333.

Base conversion 21695931

Base System Value
2 Binary 1010010110000110110111011
3 Ternary 1111211021020000
4 Quaternary 1102300312323
5 Quinary 21023232211
6 Senary 2053004043
8 Octal 122606673
10 Decimal 21695931
12 Duodecimal 7323623
16 Hexadecimal 14b0dbb
20 Vigesimal 6fbjgb
36 Base36 cx0or

Cryptographic Hash Functions

md5 c40548296a5fc5496f6ca18a2e920127
sha1 d5ece7cb3ce4f4c2c2443b3dfa467f07ed115369
sha256 cccbf50441761c0a9ae52e4cca6288da09b1dace14efb060884dd229b8775abd
sha512 245ac8a1135a3d9e6fad385c63745a871118bcef731f0970a8d0086a96b0cfcff3521d08e135b6d97d58053ba2e56c288455a9a1c109ba6fbfde67db8dd10d04
ripemd-160 b76ec8819f8fe6b7b3b5abb2d7e818f8f9985b9d

21695931 as geometric shapes

Circle

Radius = n
Diameter 43391862
Circumference 136319554.88478
Area 1.4787898283655E+15

Sphere

Radius = n
Volume 4.2778296106292E+22
Surface area 5.9151593134619E+15
Circumference 136319554.88478

Square

Length = n
Perimeter 86783724
Area 470713421956761
Diagonal 30682679.868511

Cube

Length = n
Surface area 2824280531740566
Volume 1.0212565923548E+22
Space diagonal 37578454.809509

Equilateral Triangle

Length = n
Perimeter 65087793
Area 2.0382489065843E+14
Altitude 18789227.404754

Triangular Pyramid

Length = n
Surface area 2.0382489065843E+14
Volume 1.2035624363092E+21
Height 10227559.95617