21494443 (number)

21494443 is an odd 8-digits composite number following 21494442 and preceding 21494444. In scientific notation, it is written as 2.1494443 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19350144 positive integers (up to 21494443) that are relatively prime to 21494443.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494443 × 10^7
Engineering notation 2.1494443 × 10^6

Prime Factorization of 21494443

Prime Factorization 23 × 17 × 54973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494443
Product of the distinct prime numbers

The prime factorization of 21494443 is 23 × 17 × 54973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494443)

Multiplication

n×y
n×2 42988886
n×3 64483329
n×4 85977772
n×5 107472215

Division

n÷y
n÷2 10747221.5
n÷3 7164814.3333333
n÷3 5373610.75
n÷5 4298888.6

Exponentiation

ny
n2 462011079880249
n3 9.9306708218545E+21
n4 2.1345423793211E+29
n5 4.5880799503403E+36

Nth Root

y√n
2√n 4636.2099823024
3√n 278.04092957054
4√n 68.089720092701
5√n 29.272865620902

Divisors of 21494443

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 -21494442
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 21494443 can be divided by 8 positive divisors. The sum of these divisors (counting 21494443) is 1, the average is 0.125.

Base conversion 21494443

Base System Value
2 Binary 1010001111111101010101011
3 Ternary 1111110000211111
4 Quaternary 1101333222223
5 Quinary 21000310233
6 Senary 2044411151
8 Octal 121775253
10 Decimal 21494443
12 Duodecimal 7246ab7
16 Hexadecimal 147faab
20 Vigesimal 6e6g23
36 Base36 csp7v

Cryptographic Hash Functions

md5 40a96cdc89b1a9d3c301565f19863b0f
sha1 0aef0ae73fe68674c3169e554abf8ec1cae6e060
sha256 31546d1e1493b34e7aa17f57fde0e7cdcc7f9027d238ac979f6fa10302753f6c
sha512 98905c6030540cba44c0687ad5fc572ed2b3016f4f8dc40945123d45be566e8a4c7338267df13e1662621d3830821da34baa0ba94ee28fca77784969e1fa92ac
ripemd-160 7ef73d556be87eaa62079daf1d481d2081ccacca

21494443 as geometric shapes

Circle

Radius = n
Diameter 42988886
Circumference 135053568.44361
Area 1.4514506144289E+15

Sphere

Radius = n
Volume 4.1597496665542E+22
Surface area 5.8058024577155E+15
Circumference 135053568.44361

Square

Length = n
Perimeter 85977772
Area 462011079880249
Diagonal 30397732.806255

Cube

Length = n
Surface area 2772066479281494
Volume 9.9306708218545E+21
Space diagonal 37229467.356393

Equilateral Triangle

Length = n
Perimeter 64483329
Area 2.0005666600309E+14
Altitude 18614733.678197

Triangular Pyramid

Length = n
Surface area 2.0005666600309E+14
Volume 1.1703407799774E+21
Height 10132577.602085