21494081 (number)

21494081 is an odd 8-digits composite number following 21494080 and preceding 21494082. In scientific notation, it is written as 2.1494081 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18380448 positive integers (up to 21494081) that are relatively prime to 21494081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494081 × 10^7
Engineering notation 2.1494081 × 10^6

Prime Factorization of 21494081

Prime Factorization 7 × 457 × 6719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494081
Product of the distinct prime numbers

The prime factorization of 21494081 is 7 × 457 × 6719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494081)

Multiplication

n×y
n×2 42988162
n×3 64482243
n×4 85976324
n×5 107470405

Division

n÷y
n÷2 10747040.5
n÷3 7164693.6666667
n÷3 5373520.25
n÷5 4298816.2

Exponentiation

ny
n2 461995518034561
n3 9.9301690862718E+21
n4 2.1343985868402E+29
n5 4.5876936111829E+36

Nth Root

y√n
2√n 4636.1709416284
3√n 278.03936868057
4√n 68.089433406575
5√n 29.27276702008

Divisors of 21494081

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 -21494080
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 21494081 can be divided by 8 positive divisors. The sum of these divisors (counting 21494081) is 1, the average is 0.125.

Base conversion 21494081

Base System Value
2 Binary 1010001111111100101000001
3 Ternary 1111110000100002
4 Quaternary 1101333211001
5 Quinary 21000302311
6 Senary 2044405345
8 Octal 121774501
10 Decimal 21494081
12 Duodecimal 7246855
16 Hexadecimal 147f941
20 Vigesimal 6e6f41
36 Base36 csoxt

Cryptographic Hash Functions

md5 a3fd92c244e9925f6cb6b151d7dfc4c3
sha1 7ce1f09d53f26e3b2cf1204bbc50a3e88a6a2fd3
sha256 43d6e20edd717949470addf29c2db15b5a4f29dc6cb771801aa23e85064093d0
sha512 79f9638ef3a8e5718f0fb875841f2865e5ae9d554e876545495fca13d603e81e0cb380025426d2f476df28c55249ebfa62cb784c6321623b350a7af9cb548a5b
ripemd-160 82cd1b88097ff91a7fb7ed5842faaa098553823d

21494081 as geometric shapes

Circle

Radius = n
Diameter 42988162
Circumference 135051293.93053
Area 1.4514017254488E+15

Sphere

Radius = n
Volume 4.1595395000448E+22
Surface area 5.8056069017952E+15
Circumference 135051293.93053

Square

Length = n
Perimeter 85976324
Area 461995518034561
Diagonal 30397220.860946

Cube

Length = n
Surface area 2771973108207366
Volume 9.9301690862718E+21
Space diagonal 37228840.354001

Equilateral Triangle

Length = n
Perimeter 64482243
Area 2.0004992752624E+14
Altitude 18614420.177

Triangular Pyramid

Length = n
Surface area 2.0004992752624E+14
Volume 1.170281649872E+21
Height 10132406.953649