21091396 (number)

21091396 is an even 8-digits composite number following 21091395 and preceding 21091397. In scientific notation, it is written as 2.1091396 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10523240 positive integers (up to 21091396) that are relatively prime to 21091396.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1091396 × 10^7
Engineering notation 2.1091396 × 10^6

Prime Factorization of 21091396

Prime Factorization 2 × 2 × 491 × 10739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10545698
Product of the distinct prime numbers

The prime factorization of 21091396 is 2 × 2 × 491 × 10739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 29, 48, 450, 835, 4332, 3543, 15843, 7124, 470033, 205158, 1904560, 174745, 901296, 51951195, 664491851, 313421508, 3075755161, 5531223834

Basic calculations (n = 21091396)

Multiplication

n×y
n×2 42182792
n×3 63274188
n×4 84365584
n×5 105456980

Division

n÷y
n÷2 10545698
n÷3 7030465.3333333
n÷3 5272849
n÷5 4218279.2

Exponentiation

ny
n2 444846985228816
n3 9.3824439248671E+21
n4 1.9788884026717E+29
n5 4.1737518940556E+36

Nth Root

y√n
2√n 4592.5369895081
3√n 276.29208384068
4√n 67.768259454616
5√n 29.162252446624

Divisors of 21091396

1, 2, 4, 491, 982, 1964, 10739, 21478, 42956, 5272849, 10545698, 21091396

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 -21091395
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 21091396 can be divided by 12 positive divisors. The sum of these divisors (counting 21091396) is 1, the average is 0.083333333333333.

Base conversion 21091396

Base System Value
2 Binary 1010000011101010001000100
3 Ternary 1110200112221211
4 Quaternary 1100131101010
5 Quinary 20344411041
6 Senary 2032021204
8 Octal 120352104
10 Decimal 21091396
12 Duodecimal 7091804
16 Hexadecimal 141d444
20 Vigesimal 6bg89g
36 Base36 ck284

Cryptographic Hash Functions

md5 6c67a6822b8daff0da932721d51df038
sha1 4e7a97a0904805d79694a9fc1101d6bc61e49512
sha256 7d98b6018b078cb95925583f4564dabc2ea12f5b2a74b2a59d29d8bc7e374005
sha512 c00ae4b987fd823a5abf38514773d47346bbd4b9480ca13b92c17a16df3b41c1f270d77c59ec5fbaa502d384b6dcedd331e88eb2d3ac599b7a0922ba03dd77c8
ripemd-160 8a719bd6d5680fbf1c28f8bd915b310867308615

21091396 as geometric shapes

Circle

Radius = n
Diameter 42182792
Circumference 132521149.45511
Area 1.3975280207664E+15

Sphere

Radius = n
Volume 3.9301089209441E+22
Surface area 5.5901120830657E+15
Circumference 132521149.45511

Square

Length = n
Perimeter 84365584
Area 444846985228816
Diagonal 29827738.272582

Cube

Length = n
Surface area 2669081911372896
Volume 9.3824439248671E+21
Space diagonal 36531369.474555

Equilateral Triangle

Length = n
Perimeter 63274188
Area 1.9262439500254E+14
Altitude 18265684.737277

Triangular Pyramid

Length = n
Surface area 1.9262439500254E+14
Volume 1.1057316205627E+21
Height 9942579.4241939