21001572 (number)

21001572 is an even 8-digits composite number following 21001571 and preceding 21001573. In scientific notation, it is written as 2.1001572 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 6951744 positive integers (up to 21001572) that are relatively prime to 21001572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1001572 × 10^7
Engineering notation 2.1001572 × 10^6

Prime Factorization of 21001572

Prime Factorization 2 × 2 × 27 × 163 × 1193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10500786
Product of the distinct prime numbers

The prime factorization of 21001572 is 2 × 2 × 27 × 163 × 1193. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001572)

Multiplication

n×y
n×2 42003144
n×3 63004716
n×4 84006288
n×5 105007860

Division

n÷y
n÷2 10500786
n÷3 7000524
n÷3 5250393
n÷5 4200314.4

Exponentiation

ny
n2 441066026471184
n3 9.2630799116885E+21
n4 1.9453923970708E+29
n5 4.0856298495335E+36

Nth Root

y√n
2√n 4582.7472110078
3√n 275.89930163905
4√n 67.695991099974
5√n 29.137370794236

Divisors of 21001572

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 -21001571
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 21001572 can be divided by 24 positive divisors. The sum of these divisors (counting 21001572) is 1, the average is 0.041666666666667.

Base conversion 21001572

Base System Value
2 Binary 1010000000111010101100100
3 Ternary 1110111222202000
4 Quaternary 1100013111210
5 Quinary 20334022242
6 Senary 2030045300
8 Octal 120072544
10 Decimal 21001572
12 Duodecimal 7049830
16 Hexadecimal 1407564
20 Vigesimal 6b53ic
36 Base36 ci4x0

Cryptographic Hash Functions

md5 8283308b31a02b15326336ba9ba97b34
sha1 c604cac5c380002f369fc8010ae5f95f78c44ea6
sha256 0797e793cdf82ec85755ca11c73779b897395b3b7a9dd1f34153a7369f6c1ddd
sha512 20a2df110c9d40b66330e367223cc8cb862a7f8f3f6ad9bc10a44530e3a444aa2a87c19d1fccb809ba29259ccb691f17fb901d9796bf6b177803e4e20434e9f0
ripemd-160 5d9e03f2c3d6fcd9eee7d458a3e4b48018a9f8de

21001572 as geometric shapes

Circle

Radius = n
Diameter 42003144
Circumference 131956768.61807
Area 1.3856497885099E+15

Sphere

Radius = n
Volume 3.8801098400234E+22
Surface area 5.5425991540397E+15
Circumference 131956768.61807

Square

Length = n
Perimeter 84006288
Area 441066026471184
Diagonal 29700707.953555

Cube

Length = n
Surface area 2646396158827104
Volume 9.2630799116885E+21
Space diagonal 36375789.742816

Equilateral Triangle

Length = n
Perimeter 63004716
Area 1.9098719183515E+14
Altitude 18187894.871408

Triangular Pyramid

Length = n
Surface area 1.9098719183515E+14
Volume 1.0916644367046E+21
Height 9900235.9845183