21494481 (number)

21494481 is an odd 8-digits composite number following 21494480 and preceding 21494482. In scientific notation, it is written as 2.1494481 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 13700288 positive integers (up to 21494481) that are relatively prime to 21494481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494481 × 10^7
Engineering notation 2.1494481 × 10^6

Prime Factorization of 21494481

Prime Factorization 3 × 29 × 107 × 2309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494481
Product of the distinct prime numbers

The prime factorization of 21494481 is 3 × 29 × 107 × 2309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494481)

Multiplication

n×y
n×2 42988962
n×3 64483443
n×4 85977924
n×5 107472405

Division

n÷y
n÷2 10747240.5
n÷3 7164827
n÷3 5373620.25
n÷5 4298896.2

Exponentiation

ny
n2 462012713459361
n3 9.9307234912107E+21
n4 2.1345574739808E+29
n5 4.5881205067889E+36

Nth Root

y√n
2√n 4636.2140804756
3√n 278.04109341986
4√n 68.089750186615
5√n 29.272875971187

Divisors of 21494481

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494481 can be divided by 16 positive divisors. The sum of these divisors (counting 21494481) is 1, the average is 0.0625.

Base conversion 21494481

Base System Value
2 Binary 1010001111111101011010001
3 Ternary 1111110000212220
4 Quaternary 1101333223101
5 Quinary 21000310411
6 Senary 2044411253
8 Octal 121775321
10 Decimal 21494481
12 Duodecimal 7246b29
16 Hexadecimal 147fad1
20 Vigesimal 6e6g41
36 Base36 csp8x

Cryptographic Hash Functions

md5 22550f23f944e488ef9980ce2bbbfede
sha1 fe1111cab59a9d362e40d61b47d646f8b3c347b1
sha256 a13a061e78ad9128c5f2bc1442be2b3989a23266b9e8cab811540c954ddab031
sha512 d49c6d09e51a2e511bce807eccdecda482a37434d0b0dbc0c90033a20fd6af5b36335c556c89e478eca30cb5d085e0812a4071300e1788d0c1f9990f4f29cd6f
ripemd-160 5ef6ec02b549d0024f7d5e3a40f907a23b55a64f

21494481 as geometric shapes

Circle

Radius = n
Diameter 42988962
Circumference 135053807.20465
Area 1.451455746469E+15

Sphere

Radius = n
Volume 4.1597717286425E+22
Surface area 5.8058229858761E+15
Circumference 135053807.20465

Square

Length = n
Perimeter 85977924
Area 462012713459361
Diagonal 30397786.546371

Cube

Length = n
Surface area 2772076280756166
Volume 9.9307234912107E+21
Space diagonal 37229533.174324

Equilateral Triangle

Length = n
Perimeter 64483443
Area 2.0005737336359E+14
Altitude 18614766.587162

Triangular Pyramid

Length = n
Surface area 2.0005737336359E+14
Volume 1.1703469871206E+21
Height 10132595.515457