21491141 (number)

21491141 is an odd 8-digits composite number following 21491140 and preceding 21491142. In scientific notation, it is written as 2.1491141 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18369360 positive integers (up to 21491141) that are relatively prime to 21491141.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand one hundred forty-one

Notation

Scientific notation 2.1491141 × 10^7
Engineering notation 2.1491141 × 10^6

Prime Factorization of 21491141

Prime Factorization 7 × 373 × 8231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491141
Product of the distinct prime numbers

The prime factorization of 21491141 is 7 × 373 × 8231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491141)

Multiplication

n×y
n×2 42982282
n×3 64473423
n×4 85964564
n×5 107455705

Division

n÷y
n÷2 10745570.5
n÷3 7163713.6666667
n÷3 5372785.25
n÷5 4298228.2

Exponentiation

ny
n2 461869141481881
n3 9.9260948431361E+21
n4 2.1332310385321E+29
n5 4.584556903467E+36

Nth Root

y√n
2√n 4635.8538587837
3√n 278.02669119017
4√n 68.0871049376
5√n 29.271966179662

Divisors of 21491141

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 -21491140
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 21491141 can be divided by 8 positive divisors. The sum of these divisors (counting 21491141) is 1, the average is 0.125.

Base conversion 21491141

Base System Value
2 Binary 1010001111110110111000101
3 Ternary 1111102212022012
4 Quaternary 1101332313011
5 Quinary 21000204031
6 Senary 2044344005
8 Octal 121766705
10 Decimal 21491141
12 Duodecimal 7245005
16 Hexadecimal 147edc5
20 Vigesimal 6e67h1
36 Base36 csmo5

Cryptographic Hash Functions

md5 543d4122b507aa1fe9efcf50f02be72c
sha1 abf245c5b536dc56a7732546e6c1304418a938ed
sha256 e0b269c018e7b39d954703d11e7b556f25b07bc1a1dd5db0ff9a52432a477841
sha512 a146f727d44d88105b5e91f595771716fa0f44ba3b21e9f72d00c1b67fb8d37c1b9c890f2360ce37081114ed3e259c83c495cc32e42f4e8dad3dbdc720f19800
ripemd-160 b66c8d802aab6faa4b7f34157e96e109bb4aee22

21491141 as geometric shapes

Circle

Radius = n
Diameter 42982282
Circumference 135032821.36572
Area 1.4510047017993E+15

Sphere

Radius = n
Volume 4.1578328850709E+22
Surface area 5.8040188071972E+15
Circumference 135032821.36572

Square

Length = n
Perimeter 85964564
Area 461869141481881
Diagonal 30393063.073072

Cube

Length = n
Surface area 2771214848891286
Volume 9.9260948431361E+21
Space diagonal 37223748.124627

Equilateral Triangle

Length = n
Perimeter 64473423
Area 1.9999520487371E+14
Altitude 18611874.062313

Triangular Pyramid

Length = n
Surface area 1.9999520487371E+14
Volume 1.1698014957137E+21
Height 10131021.024357