21891694 (number)

21891694 is an even 8-digits composite number following 21891693 and preceding 21891695. In scientific notation, it is written as 2.1891694 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9607360 positive integers (up to 21891694) that are relatively prime to 21891694.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred ninety-one thousand six hundred ninety-four

Notation

Scientific notation 2.1891694 × 10^7
Engineering notation 2.1891694 × 10^6

Prime Factorization of 21891694

Prime Factorization 2 × 29 × 11 × 34313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21891694
Product of the distinct prime numbers

The prime factorization of 21891694 is 2 × 29 × 11 × 34313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21891694)

Multiplication

n×y
n×2 43783388
n×3 65675082
n×4 87566776
n×5 109458470

Division

n÷y
n÷2 10945847
n÷3 7297231.3333333
n÷3 5472923.5
n÷5 4378338.8

Exponentiation

ny
n2 479246266189636
n3 1.0491512610066E+22
n4 2.2967698365671E+29
n5 5.0280182450556E+36

Nth Root

y√n
2√n 4678.8560567729
3√n 279.74336178502
4√n 68.402164123461
5√n 29.380276171599

Divisors of 21891694

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 -21891693
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 21891694 can be divided by 16 positive divisors. The sum of these divisors (counting 21891694) is 1, the average is 0.0625.

Base conversion 21891694

Base System Value
2 Binary 1010011100000101001101110
3 Ternary 1112012012202111
4 Quaternary 1103200221232
5 Quinary 21101013234
6 Senary 2101114234
8 Octal 123405156
10 Decimal 21891694
12 Duodecimal 73b897a
16 Hexadecimal 14e0a6e
20 Vigesimal 6gg94e
36 Base36 d17qm

Cryptographic Hash Functions

md5 4dc21d1214574760b7bdb56f0e690556
sha1 fa872e358b2bb1e868c1dac1dc95f3961f476415
sha256 1c79edcfcbe0a01af7c8085ab8224754f7b80d09cefa2e40911c2f962a5e3ae1
sha512 d9ba938d2bfacf921c4ddb3da1633de57f7b556a598ed7d5e60944a62847df47ead269e04867688b7c0242f1937f3ca513912b8e8df74d0d671d12e4fb123759
ripemd-160 8c47d1f28c3738a8dfa4055ba3b6b086512048a4

21891694 as geometric shapes

Circle

Radius = n
Diameter 43783388
Circumference 137549570.09007
Area 1.5055965491217E+15

Sphere

Radius = n
Volume 4.3946745254438E+22
Surface area 6.0223861964868E+15
Circumference 137549570.09007

Square

Length = n
Perimeter 87566776
Area 479246266189636
Diagonal 30959530.558122

Cube

Length = n
Surface area 2875477597137816
Volume 1.0491512610066E+22
Space diagonal 37917526.271751

Equilateral Triangle

Length = n
Perimeter 65675082
Area 2.0751972059453E+14
Altitude 18958763.135875

Triangular Pyramid

Length = n
Surface area 2.0751972059453E+14
Volume 1.2364366185803E+21
Height 10319843.519374