21494494 (number)

21494494 is an even 8-digits composite number following 21494493 and preceding 21494495. In scientific notation, it is written as 2.1494494 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8669952 positive integers (up to 21494494) that are relatively prime to 21494494.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494494 × 10^7
Engineering notation 2.1494494 × 10^6

Prime Factorization of 21494494

Prime Factorization 2 × 17 × 7 × 90313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494494
Product of the distinct prime numbers

The prime factorization of 21494494 is 2 × 17 × 7 × 90313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494494)

Multiplication

n×y
n×2 42988988
n×3 64483482
n×4 85977976
n×5 107472470

Division

n÷y
n÷2 10747247
n÷3 7164831.3333333
n÷3 5373623.5
n÷5 4298898.8

Exponentiation

ny
n2 462013272316036
n3 9.9307415097174E+21
n4 2.1345626379617E+29
n5 4.5881343814292E+36

Nth Root

y√n
2√n 4636.2154824814
3√n 278.04114947352
4√n 68.089760481892
5√n 29.272879512071

Divisors of 21494494

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 -21494493
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 21494494 can be divided by 16 positive divisors. The sum of these divisors (counting 21494494) is 1, the average is 0.0625.

Base conversion 21494494

Base System Value
2 Binary 1010001111111101011011110
3 Ternary 1111110000220101
4 Quaternary 1101333223132
5 Quinary 21000310434
6 Senary 2044411314
8 Octal 121775336
10 Decimal 21494494
12 Duodecimal 7246b3a
16 Hexadecimal 147fade
20 Vigesimal 6e6g4e
36 Base36 csp9a

Cryptographic Hash Functions

md5 3fbbfa3e4c53e78ba4df843bae8a85cb
sha1 a1cc594faa978f56b14c8a71ec804b21c4ac1f2e
sha256 a5810d90d63aecc21980765d8599f6d22877cbb2437cc8c168218539756725fe
sha512 6de5edf0b7b038b6213860604e5adcb88f387eeb8dcaae0dba6003d71302455da2b2f8bed6f8eb47b61aa10047d74dca7281eefe0e158135d47d9ba4b1e2e25e
ripemd-160 a3502f47c3c6b60c5093b63686712510601625e5

21494494 as geometric shapes

Circle

Radius = n
Diameter 42988988
Circumference 135053888.88606
Area 1.451457502169E+15

Sphere

Radius = n
Volume 4.159779276217E+22
Surface area 5.8058300086762E+15
Circumference 135053888.88606

Square

Length = n
Perimeter 85977976
Area 462013272316036
Diagonal 30397804.931147

Cube

Length = n
Surface area 2772079633896216
Volume 9.9307415097174E+21
Space diagonal 37229555.690984

Equilateral Triangle

Length = n
Perimeter 64483482
Area 2.0005761535563E+14
Altitude 18614777.845492

Triangular Pyramid

Length = n
Surface area 2.0005761535563E+14
Volume 1.170349110622E+21
Height 10132601.643716