21391036 (number)

21391036 is an even 8-digits composite number following 21391035 and preceding 21391037. In scientific notation, it is written as 2.1391036 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 10059264 positive integers (up to 21391036) that are relatively prime to 21391036.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1391036 × 10^7
Engineering notation 2.1391036 × 10^6

Prime Factorization of 21391036

Prime Factorization 2 × 2 × 19 × 149 × 1889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10695518
Product of the distinct prime numbers

The prime factorization of 21391036 is 2 × 2 × 19 × 149 × 1889. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 90, 67, 484, 94, 8944, 2515, 89752, 34106, 416050, 820051, 1691701, 4144481, 47638787, 83470382, 54486754, 412100215, 9165144520, 6037435442

Basic calculations (n = 21391036)

Multiplication

n×y
n×2 42782072
n×3 64173108
n×4 85564144
n×5 106955180

Division

n÷y
n÷2 10695518
n÷3 7130345.3333333
n÷3 5347759
n÷5 4278207.2

Exponentiation

ny
n2 457576421153296
n3 9.7880336976413E+21
n4 2.0937618119546E+29
n5 4.4787734294946E+36

Nth Root

y√n
2√n 4625.044432219
3√n 277.59433959341
4√n 68.007679215064
5√n 29.244645665389

Divisors of 21391036

1, 2, 4, 19, 38, 76, 149, 298, 596, 1889, 2831, 3778, 5662, 7556, 11324, 35891, 71782, 143564, 281461, 562922, 1125844, 5347759, 10695518, 21391036

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21391035
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21391036 can be divided by 24 positive divisors. The sum of these divisors (counting 21391036) is 1, the average is 0.041666666666667.

Base conversion 21391036

Base System Value
2 Binary 1010001100110011010111100
3 Ternary 1111020202222121
4 Quaternary 1101212122330
5 Quinary 20434003121
6 Senary 2042252324
8 Octal 121463274
10 Decimal 21391036
12 Duodecimal 71b70a4
16 Hexadecimal 14666bc
20 Vigesimal 6ddhbg
36 Base36 cqhfg

Cryptographic Hash Functions

md5 8004fc9cb8373b96546a3d0853f19331
sha1 2891e5bb40befd9eb6696a36e7cb6a5981a3694f
sha256 0e54948e6213ae592d44ebbd8b9ed235196e2d0c7df0de51978f73c1e895a1a4
sha512 cee7141f35679d862ca34f96ee149af7e6d91e52dc8b0d2f9775b66332838ea056564388f1d00eaa3c579c9f6b8fbaf5d27f39543783e59e1b3b171971c2eb0a
ripemd-160 dd6ea6e3340e2f552c7492bdff2e7689af971607

21391036 as geometric shapes

Circle

Radius = n
Diameter 42782072
Circumference 134403843.10055
Area 1.4375187231511E+15

Sphere

Radius = n
Volume 4.1000019676799E+22
Surface area 5.7500748926044E+15
Circumference 134403843.10055

Square

Length = n
Perimeter 85564144
Area 457576421153296
Diagonal 30251493.224411

Cube

Length = n
Surface area 2745458526919776
Volume 9.7880336976413E+21
Space diagonal 37050361.178535

Equilateral Triangle

Length = n
Perimeter 64173108
Area 1.9813640244576E+14
Altitude 18525180.589267

Triangular Pyramid

Length = n
Surface area 1.9813640244576E+14
Volume 1.1535308336808E+21
Height 10083831.074804