21091384 (number)

21091384 is an even 8-digits composite number following 21091383 and preceding 21091385. In scientific notation, it is written as 2.1091384 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 10288320 positive integers (up to 21091384) that are relatively prime to 21091384.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred eighty-four

Notation

Scientific notation 2.1091384 × 10^7
Engineering notation 2.1091384 × 10^6

Prime Factorization of 21091384

Prime Factorization 2 × 2 × 2 × 41 × 64303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5272846
Product of the distinct prime numbers

The prime factorization of 21091384 is 2 × 2 × 2 × 41 × 64303. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 43, 70, 676, 57, 2827, 7311, 78067, 48829, 942990, 607999, 7718562, 786671, 6604602, 98072311, 541264075, 870791800, 8913008242, 8636260978

Basic calculations (n = 21091384)

Multiplication

n×y
n×2 42182768
n×3 63274152
n×4 84365536
n×5 105456920

Division

n÷y
n÷2 10545692
n÷3 7030461.3333333
n÷3 5272846
n÷5 4218276.8

Exponentiation

ny
n2 444846479035456
n3 9.3824279103848E+21
n4 1.9788838991024E+29
n5 4.1737400207386E+36

Nth Root

y√n
2√n 4592.5356830405
3√n 276.29203144165
4√n 67.768249815385
5√n 29.162249128237

Divisors of 21091384

1, 2, 4, 8, 41, 82, 164, 328, 64303, 128606, 257212, 514424, 2636423, 5272846, 10545692, 21091384

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 -21091383
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 21091384 can be divided by 16 positive divisors. The sum of these divisors (counting 21091384) is 1, the average is 0.0625.

Base conversion 21091384

Base System Value
2 Binary 1010000011101010000111000
3 Ternary 1110200112221101
4 Quaternary 1100131100320
5 Quinary 20344411014
6 Senary 2032021144
8 Octal 120352070
10 Decimal 21091384
12 Duodecimal 70917b4
16 Hexadecimal 141d438
20 Vigesimal 6bg894
36 Base36 ck27s

Cryptographic Hash Functions

md5 aff43b4494029dca9eaf8775170562db
sha1 bdf60642c71ffa72b28dd781a750fb95e4106204
sha256 eac0478c90dad7c0d382049f684dff6e519745df67f8607c299bde1f6af40a4e
sha512 68806deeb134aaad9adaa729d89cd1293fa0f1046a0f16e0e3101d37578dbaa7bc9221d38f251fc464d06a1ff95090de291b6ee314a0f7c8b3620daf912943ad
ripemd-160 312c279bfa75dcd36a3d66712345f328d213b77e

21091384 as geometric shapes

Circle

Radius = n
Diameter 42182768
Circumference 132521074.05688
Area 1.3975264305131E+15

Sphere

Radius = n
Volume 3.9301022128134E+22
Surface area 5.5901057220523E+15
Circumference 132521074.05688

Square

Length = n
Perimeter 84365536
Area 444846479035456
Diagonal 29827721.302019

Cube

Length = n
Surface area 2669078874212736
Volume 9.3824279103848E+21
Space diagonal 36531348.689945

Equilateral Triangle

Length = n
Perimeter 63274152
Area 1.9262417581438E+14
Altitude 18265674.344973

Triangular Pyramid

Length = n
Surface area 1.9262417581438E+14
Volume 1.1057297332378E+21
Height 9942573.7673396