21081320 (number)

21081320 is an even 8-digits composite number following 21081319 and preceding 21081321. In scientific notation, it is written as 2.1081320 × 10^7. The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors. There are 7660800 positive integers (up to 21081320) that are relatively prime to 21081320.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081320 × 10^7
Engineering notation 2.1081320 × 10^6

Prime Factorization of 21081320

Prime Factorization 2 × 2 × 2 × 65 × 71 × 571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5270330
Product of the distinct prime numbers

The prime factorization of 21081320 is 2 × 2 × 2 × 65 × 71 × 571. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081320)

Multiplication

n×y
n×2 42162640
n×3 63243960
n×4 84325280
n×5 105406600

Division

n÷y
n÷2 10540660
n÷3 7027106.6666667
n÷3 5270330
n÷5 4216264

Exponentiation

ny
n2 444422052942400
n3 9.3690035131357E+21
n4 1.9751096114154E+29
n5 4.1637917753323E+36

Nth Root

y√n
2√n 4591.4398613071
3√n 276.2480791278
4√n 67.760164265645
5√n 29.159465575409

Divisors of 21081320

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081319
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081320 can be divided by 32 positive divisors. The sum of these divisors (counting 21081320) is 1, the average is 0.03125.

Base conversion 21081320

Base System Value
2 Binary 1010000011010110011101000
3 Ternary 1110200001010122
4 Quaternary 1100122303220
5 Quinary 20344100240
6 Senary 2031502412
8 Octal 120326350
10 Decimal 21081320
12 Duodecimal 7087a08
16 Hexadecimal 141ace8
20 Vigesimal 6bf360
36 Base36 cjug8

Cryptographic Hash Functions

md5 8595a074f50c13e1fa263ed25b5d8f71
sha1 afa55138c955453c937ce354999a83dbded66804
sha256 5f42cf37df09e06bccd9416f1999b043b21459b61a023ba20658ca1c66d201c9
sha512 f7760232daef16e65d99074a596823dd13a541d68724f5b1b11a23273816ee7860bb72d567adc010b9de392f79a8f64b5c277688117b3e119251cd55ab50d49e
ripemd-160 63451f172302273212d210b168b5bf060b8038c6

21081320 as geometric shapes

Circle

Radius = n
Diameter 42162640
Circumference 132457840.07995
Area 1.3961930566171E+15

Sphere

Radius = n
Volume 3.9244790144432E+22
Surface area 5.5847722264686E+15
Circumference 132457840.07995

Square

Length = n
Perimeter 84325280
Area 444422052942400
Diagonal 29813488.656727

Cube

Length = n
Surface area 2666532317654400
Volume 9.3690035131357E+21
Space diagonal 36513917.330618

Equilateral Triangle

Length = n
Perimeter 63243960
Area 1.9244039392508E+14
Altitude 18256958.665309

Triangular Pyramid

Length = n
Surface area 1.9244039392508E+14
Volume 1.1041476528498E+21
Height 9937829.5522424