21154493 (number)

21154493 is an odd 8-digits composite number following 21154492 and preceding 21154494. In scientific notation, it is written as 2.1154493 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors. There are 20471160 positive integers (up to 21154493) that are relatively prime to 21154493.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1154493 × 10^7
Engineering notation 2.1154493 × 10^6

Prime Factorization of 21154493

Prime Factorization 31 × 31 × 22013

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 682403
Product of the distinct prime numbers

The prime factorization of 21154493 is 31 × 31 × 22013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21154493)

Multiplication

n×y
n×2 42308986
n×3 63463479
n×4 84617972
n×5 105772465

Division

n÷y
n÷2 10577246.5
n÷3 7051497.6666667
n÷3 5288623.25
n÷5 4230898.6

Exponentiation

ny
n2 447512574087049
n3 9.4669016159365E+21
n4 2.0026750396602E+29
n5 4.2365575107766E+36

Nth Root

y√n
2√n 4599.4013740921
3√n 276.56732792704
4√n 67.818886558923
5√n 29.17967995791

Divisors of 21154493

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 -21154492
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 21154493 can be divided by 6 positive divisors. The sum of these divisors (counting 21154493) is 1, the average is 0.16666666666667.

Base conversion 21154493

Base System Value
2 Binary 1010000101100101010111101
3 Ternary 1110210202111202
4 Quaternary 1100230222331
5 Quinary 20403420433
6 Senary 2033225245
8 Octal 120545275
10 Decimal 21154493
12 Duodecimal 7102225
16 Hexadecimal 142cabd
20 Vigesimal 6c464d
36 Base36 clewt

Cryptographic Hash Functions

md5 03d1de75d6020e9618553dd36cc5c1e2
sha1 93a57499c9604767183eb5806fe86a791d55e128
sha256 adce0431019e025d396b7e59c8956dc136231982af484e1168402e7eeb188b5f
sha512 48c5fb5e0a5515199ab385fcd59fa1c893df931d9bfbca6bda6be2a41dbcbe0e759665055d435ed092dadf25694b939e2cafa2b48b785eba7a89d02414aba79d
ripemd-160 f1283a87d5d648684ea87494945d7763f07396ee

21154493 as geometric shapes

Circle

Radius = n
Diameter 42308986
Circumference 132917599.59843
Area 1.4059022151409E+15

Sphere

Radius = n
Volume 3.9654864758511E+22
Surface area 5.6236088605637E+15
Circumference 132917599.59843

Square

Length = n
Perimeter 84617972
Area 447512574087049
Diagonal 29916970.905727

Cube

Length = n
Surface area 2685075444522294
Volume 9.4669016159365E+21
Space diagonal 36640656.68436

Equilateral Triangle

Length = n
Perimeter 63463479
Area 1.9377862883618E+14
Altitude 18320328.34218

Triangular Pyramid

Length = n
Surface area 1.9377862883618E+14
Volume 1.1156850549091E+21
Height 9972323.6352422