21491883 (number)

21491883 is an odd 8-digits composite number following 21491882 and preceding 21491884. In scientific notation, it is written as 2.1491883 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 12281040 positive integers (up to 21491883) that are relatively prime to 21491883.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand eight hundred eighty-three

Notation

Scientific notation 2.1491883 × 10^7
Engineering notation 2.1491883 × 10^6

Prime Factorization of 21491883

Prime Factorization 63 × 341141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21491883
Product of the distinct prime numbers

The prime factorization of 21491883 is 63 × 341141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491883)

Multiplication

n×y
n×2 42983766
n×3 64475649
n×4 85967532
n×5 107459415

Division

n÷y
n÷2 10745941.5
n÷3 7163961
n÷3 5372970.75
n÷5 4298376.6

Exponentiation

ny
n2 461901034885689
n3 9.9271229993421E+21
n4 2.1335256602847E+29
n5 4.5853483868337E+36

Nth Root

y√n
2√n 4635.9338865001
3√n 278.02989085634
4√n 68.087692621355
5√n 29.272168304797

Divisors of 21491883

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 -21491882
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 21491883 can be divided by 4 positive divisors. The sum of these divisors (counting 21491883) is 1, the average is 0.25.

Base conversion 21491883

Base System Value
2 Binary 1010001111111000010101011
3 Ternary 1111102220022200
4 Quaternary 1101333002223
5 Quinary 21000220013
6 Senary 2044351243
8 Octal 121770253
10 Decimal 21491883
12 Duodecimal 7245523
16 Hexadecimal 147f0ab
20 Vigesimal 6e69e3
36 Base36 csn8r

Cryptographic Hash Functions

md5 ff8d6760854bea2a61703a31c7072e96
sha1 64d882b752504b74de7c2b93b9df909f5cdb8549
sha256 960319b26d8dacb5b2b7eb922ce1b9f764ffcd393c2fe169b71ef84592444d50
sha512 16c22e4332993317ea1d7603639fe0ef9c8dd8fff225b4ad1c981b816ec115a71860fdebd5812490fa005866ab6262225783e92ed74bc507f12f62151bfada4a
ripemd-160 bc158d6767b075637b7c39be763f91b3575e4f85

21491883 as geometric shapes

Circle

Radius = n
Diameter 42983766
Circumference 135037483.48922
Area 1.4511048978824E+15

Sphere

Radius = n
Volume 4.1582635581354E+22
Surface area 5.8044195915296E+15
Circumference 135037483.48922

Square

Length = n
Perimeter 85967532
Area 461901034885689
Diagonal 30394112.419536

Cube

Length = n
Surface area 2771406209314134
Volume 9.9271229993421E+21
Space diagonal 37225033.306326

Equilateral Triangle

Length = n
Perimeter 64475649
Area 2.0000901512266E+14
Altitude 18612516.653163

Triangular Pyramid

Length = n
Surface area 2.0000901512266E+14
Volume 1.1699226650846E+21
Height 10131370.806512