21001481 (number)

21001481 is an odd 8-digits composite number following 21001480 and preceding 21001482. In scientific notation, it is written as 2.1001481 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 20209168 positive integers (up to 21001481) that are relatively prime to 21001481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1001481 × 10^7
Engineering notation 2.1001481 × 10^6

Prime Factorization of 21001481

Prime Factorization 29 × 347 × 2087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21001481
Product of the distinct prime numbers

The prime factorization of 21001481 is 29 × 347 × 2087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21001481)

Multiplication

n×y
n×2 42002962
n×3 63004443
n×4 84005924
n×5 105007405

Division

n÷y
n÷2 10500740.5
n÷3 7000493.6666667
n÷3 5250370.25
n÷5 4200296.2

Exponentiation

ny
n2 441062204193361
n3 9.262959501185E+21
n4 1.9453586796791E+29
n5 4.0855413349465E+36

Nth Root

y√n
2√n 4582.7372824547
3√n 275.89890314709
4√n 67.695917768021
5√n 29.137345543694

Divisors of 21001481

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21001480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21001481 can be divided by 8 positive divisors. The sum of these divisors (counting 21001481) is 1, the average is 0.125.

Base conversion 21001481

Base System Value
2 Binary 1010000000111010100001001
3 Ternary 1110111222121122
4 Quaternary 1100013110021
5 Quinary 20334021411
6 Senary 2030045025
8 Octal 120072411
10 Decimal 21001481
12 Duodecimal 7049775
16 Hexadecimal 1407509
20 Vigesimal 6b53e1
36 Base36 ci4uh

Cryptographic Hash Functions

md5 bc8b9d571288e495670abb90c0edecd8
sha1 d3bf2d19d6e864802cff9f6ebd98035c729e9f24
sha256 b4cc4370b36054378a29d249eb344e1a926dd6c362cdadfb8967842d62b27623
sha512 1fb9b7983e7f84adabeac384c9bfda51b61d3d916ef06fedfff6452e2c3c1c53db1a4aeb23335e5f8e8c14fbf07202524bd7b16ceb83b93d528a69c1c775acad
ripemd-160 ecc241b08f3f1769414638f2260fd1645cff7f6e

21001481 as geometric shapes

Circle

Radius = n
Diameter 42002962
Circumference 131956196.84821
Area 1.38563778047E+15

Sphere

Radius = n
Volume 3.8800594025897E+22
Surface area 5.5425511218799E+15
Circumference 131956196.84821

Square

Length = n
Perimeter 84005924
Area 441062204193361
Diagonal 29700579.260121

Cube

Length = n
Surface area 2646373225160166
Volume 9.262959501185E+21
Space diagonal 36375632.126192

Equilateral Triangle

Length = n
Perimeter 63004443
Area 1.909855367403E+14
Altitude 18187816.063096

Triangular Pyramid

Length = n
Surface area 1.909855367403E+14
Volume 1.0916502461907E+21
Height 9900193.086707