21694491 (number)

21694491 is an odd 8-digits composite number following 21694490 and preceding 21694492. In scientific notation, it is written as 2.1694491 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11442816 positive integers (up to 21694491) that are relatively prime to 21694491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1694491 × 10^7
Engineering notation 2.1694491 × 10^6

Prime Factorization of 21694491

Prime Factorization 7 × 9 × 13 × 26489

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21694491
Product of the distinct prime numbers

The prime factorization of 21694491 is 7 × 9 × 13 × 26489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 12, 42, 251, 242, 3743, 3534, 32155, 93058, 690926, 618439, 9439910, 5556530, 74668242, 38651889, 77770354, 586869464, 4904096399, 1070051419

Basic calculations (n = 21694491)

Multiplication

n×y
n×2 43388982
n×3 65083473
n×4 86777964
n×5 108472455

Division

n÷y
n÷2 10847245.5
n÷3 7231497
n÷3 5423622.75
n÷5 4338898.2

Exponentiation

ny
n2 470650939749081
n3 1.0210532576528E+22
n4 2.2151230708669E+29
n5 4.8055967524815E+36

Nth Root

y√n
2√n 4657.7345351576
3√n 278.90083962153
4√n 68.247597284869
5√n 29.327152197407

Divisors of 21694491

1, 7, 9, 13, 63, 91, 117, 819, 26489, 185423, 238401, 344357, 1668807, 2410499, 3099213, 21694491

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 -21694490
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 21694491 can be divided by 16 positive divisors. The sum of these divisors (counting 21694491) is 1, the average is 0.0625.

Base conversion 21694491

Base System Value
2 Binary 1010010110000100000011011
3 Ternary 1111211012020200
4 Quaternary 1102300200123
5 Quinary 21023210431
6 Senary 2052553243
8 Octal 122604033
10 Decimal 21694491
12 Duodecimal 7322823
16 Hexadecimal 14b081b
20 Vigesimal 6fbg4b
36 Base36 cwzkr

Cryptographic Hash Functions

md5 a070f462edb2158f6aa5008e8e70e4b1
sha1 ecfa09ad17cee66c4302d173953e43834d9b6c18
sha256 2f96962b6bca543a846e776b0c39ccf2879a4c43a281ef3c859a27151deb835b
sha512 b06b7cc78d6f9baeb70ff18372ce01758589b55182ede465e54dc725077331e450908b7a1f83cdd14d8c94bdd1ae4d76f19d8839507a8cbad5c1f0aabed8a8ef
ripemd-160 248b0143b61be9b2e7836e52ae1395f95cb871cc

21694491 as geometric shapes

Circle

Radius = n
Diameter 43388982
Circumference 136310507.09794
Area 1.4785935347208E+15

Sphere

Radius = n
Volume 4.2769778842213E+22
Surface area 5.9143741388834E+15
Circumference 136310507.09794

Square

Length = n
Perimeter 86777964
Area 470650939749081
Diagonal 30680643.400981

Cube

Length = n
Surface area 2823905638494486
Volume 1.0210532576528E+22
Space diagonal 37575960.656346

Equilateral Triangle

Length = n
Perimeter 65083473
Area 2.0379783506886E+14
Altitude 18787980.328173

Triangular Pyramid

Length = n
Surface area 2.0379783506886E+14
Volume 1.2033228040648E+21
Height 10226881.13366