21072515 (number)

21072515 is an odd 8-digits composite number following 21072514 and preceding 21072516. In scientific notation, it is written as 2.1072515 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 16858008 positive integers (up to 21072515) that are relatively prime to 21072515.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1072515 × 10^7
Engineering notation 2.1072515 × 10^6

Prime Factorization of 21072515

Prime Factorization 5 × 4214503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21072515
Product of the distinct prime numbers

The prime factorization of 21072515 is 5 × 4214503. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072515)

Multiplication

n×y
n×2 42145030
n×3 63217545
n×4 84290060
n×5 105362575

Division

n÷y
n÷2 10536257.5
n÷3 7024171.6666667
n÷3 5268128.75
n÷5 4214503

Exponentiation

ny
n2 444050888425225
n3 9.3572690071039E+21
n4 1.9718119151123E+29
n5 4.1551036158383E+36

Nth Root

y√n
2√n 4590.4809116257
3√n 276.20961374619
4√n 67.75308783831
5√n 29.157029371228

Divisors of 21072515

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 -21072514
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 21072515 can be divided by 4 positive divisors. The sum of these divisors (counting 21072515) is 1, the average is 0.25.

Base conversion 21072515

Base System Value
2 Binary 1010000011000101010000011
3 Ternary 1110122121001112
4 Quaternary 1100120222003
5 Quinary 20343310030
6 Senary 2031353535
8 Octal 120305203
10 Decimal 21072515
12 Duodecimal 70828ab
16 Hexadecimal 1418a83
20 Vigesimal 6be15f
36 Base36 cjnnn

Cryptographic Hash Functions

md5 bd23fd1b851fa3ad1189964da4a833d2
sha1 9fac469c29198b415570c739c3b99f71c9cc8b85
sha256 48bdcbb37b6178780dd2457dd41caafb540c67bd811adba3ce1af9109d38be7c
sha512 cb32857a8a8aa0a57bce973d7ad815b61bec2b97dec58610ebae031d50fbad53f2858dc42323d1dfe49429b0b520d36a172d014067d15c5e59f7879b790a9c9f
ripemd-160 a394bc061d0f6c9d7ddf0a28934e85a156ac35d0

21072515 as geometric shapes

Circle

Radius = n
Diameter 42145030
Circumference 132402516.63332
Area 1.3950270088967E+15

Sphere

Radius = n
Volume 3.9195636760508E+22
Surface area 5.5801080355868E+15
Circumference 132402516.63332

Square

Length = n
Perimeter 84290060
Area 444050888425225
Diagonal 29801036.50631

Cube

Length = n
Surface area 2664305330551350
Volume 9.3572690071039E+21
Space diagonal 36498666.623257

Equilateral Triangle

Length = n
Perimeter 63217545
Area 1.9227967497465E+14
Altitude 18249333.311629

Triangular Pyramid

Length = n
Surface area 1.9227967497465E+14
Volume 1.1027647280516E+21
Height 9933678.8354368