21491044 (number)

21491044 is an even 8-digits composite number following 21491043 and preceding 21491045. In scientific notation, it is written as 2.1491044 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 10745520 positive integers (up to 21491044) that are relatively prime to 21491044.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491044 × 10^7
Engineering notation 2.1491044 × 10^6

Prime Factorization of 21491044

Prime Factorization 2 × 2 × 5372761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10745522
Product of the distinct prime numbers

The prime factorization of 21491044 is 2 × 2 × 5372761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491044)

Multiplication

n×y
n×2 42982088
n×3 64473132
n×4 85964176
n×5 107455220

Division

n÷y
n÷2 10745522
n÷3 7163681.3333333
n÷3 5372761
n÷5 4298208.8

Exponentiation

ny
n2 461864972209936
n3 9.9259604398225E+21
n4 2.1331925255448E+29
n5 4.5844534426955E+36

Nth Root

y√n
2√n 4635.8433968373
3√n 278.02627289952
4√n 68.087028109893
5√n 29.271939755882

Divisors of 21491044

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491043
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491044 can be divided by 6 positive divisors. The sum of these divisors (counting 21491044) is 1, the average is 0.16666666666667.

Base conversion 21491044

Base System Value
2 Binary 1010001111110110101100100
3 Ternary 1111102212011121
4 Quaternary 1101332311210
5 Quinary 21000203134
6 Senary 2044343324
8 Octal 121766544
10 Decimal 21491044
12 Duodecimal 7244b44
16 Hexadecimal 147ed64
20 Vigesimal 6e67c4
36 Base36 csmlg

Cryptographic Hash Functions

md5 993c54f50a633396bc24edeb8570afa5
sha1 0dceb579e88f65b999ef00827e1fa8ed778aba6e
sha256 65a9fd555cb74184fc6a1c7058591f7ea217319849aa2a3b7e99418c19e42cc2
sha512 83538a3978423badaece7ea7f5a165a526baaabd17f03cb5df3c513535393381d67385e2da0a5f87b3ac138315b24edd29e5ca3762eb2f19c569a11ff36dd523
ripemd-160 f9d3ae4e7192951cda3317a123eeedda59152237

21491044 as geometric shapes

Circle

Radius = n
Diameter 42982088
Circumference 135032211.89675
Area 1.4509916036452E+15

Sphere

Radius = n
Volume 4.1577765863426E+22
Surface area 5.8039664145808E+15
Circumference 135032211.89675

Square

Length = n
Perimeter 85964176
Area 461864972209936
Diagonal 30392925.894357

Cube

Length = n
Surface area 2771189833259616
Volume 9.9259604398225E+21
Space diagonal 37223580.115698

Equilateral Triangle

Length = n
Perimeter 64473132
Area 1.99993399526E+14
Altitude 18611790.057849

Triangular Pyramid

Length = n
Surface area 1.99993399526E+14
Volume 1.1697856561313E+21
Height 10130975.298119