21072578 (number)

21072578 is an even 8-digits composite number following 21072577 and preceding 21072579. In scientific notation, it is written as 2.1072578 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10536288 positive integers (up to 21072578) that are relatively prime to 21072578.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred seventy-eight

Notation

Scientific notation 2.1072578 × 10^7
Engineering notation 2.1072578 × 10^6

Prime Factorization of 21072578

Prime Factorization 2 × 10536289

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21072578
Product of the distinct prime numbers

The prime factorization of 21072578 is 2 × 10536289. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072578)

Multiplication

n×y
n×2 42145156
n×3 63217734
n×4 84290312
n×5 105362890

Division

n÷y
n÷2 10536289
n÷3 7024192.6666667
n÷3 5268144.5
n÷5 4214515.6

Exponentiation

ny
n2 444053543566084
n3 9.3573529329727E+21
n4 1.971835495536E+29
n5 4.155165728285E+36

Nth Root

y√n
2√n 4590.4877736467
3√n 276.20988900504
4√n 67.753138478204
5√n 29.157046805224

Divisors of 21072578

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072577
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072578 can be divided by 4 positive divisors. The sum of these divisors (counting 21072578) is 1, the average is 0.25.

Base conversion 21072578

Base System Value
2 Binary 1010000011000101011000010
3 Ternary 1110122121010212
4 Quaternary 1100120223002
5 Quinary 20343310303
6 Senary 2031354122
8 Octal 120305302
10 Decimal 21072578
12 Duodecimal 7082942
16 Hexadecimal 1418ac2
20 Vigesimal 6be18i
36 Base36 cjnpe

Cryptographic Hash Functions

md5 2d04d02ead0ebd24bfac1a343b4c15c7
sha1 fab8be26a0089c4bd530f49b2b76dd13d84a4a1c
sha256 24e6ef84772a5b059df4771a89df1ea495863a2bb75e444fe695a7d887e2337a
sha512 e541b4566f27c4e6c9fb5945bc241207fc88fd627dd528d971c4e1a0c25c6980cc69c9f299438b3f8cb36070ba6c921ec08e6829c626659fc8e28500616fe9e0
ripemd-160 467159ba05105e59ef8ac4b675a890d47eced4f8

21072578 as geometric shapes

Circle

Radius = n
Diameter 42145156
Circumference 132402912.474
Area 1.3950353502677E+15

Sphere

Radius = n
Volume 3.9195988308365E+22
Surface area 5.5801414010709E+15
Circumference 132402912.474

Square

Length = n
Perimeter 84290312
Area 444053543566084
Diagonal 29801125.601765

Cube

Length = n
Surface area 2664321261396504
Volume 9.3573529329727E+21
Space diagonal 36498775.742458

Equilateral Triangle

Length = n
Perimeter 63217734
Area 1.9228082468436E+14
Altitude 18249387.871229

Triangular Pyramid

Length = n
Surface area 1.9228082468436E+14
Volume 1.1027746188101E+21
Height 9933708.5339216