21493884 (number)

21493884 is an even 8-digits composite number following 21493883 and preceding 21493885. In scientific notation, it is written as 2.1493884 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 7153920 positive integers (up to 21493884) that are relatively prime to 21493884.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493884 × 10^7
Engineering notation 2.1493884 × 10^6

Prime Factorization of 21493884

Prime Factorization 2 × 2 × 3 × 1297 × 1381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10746942
Product of the distinct prime numbers

The prime factorization of 21493884 is 2 × 2 × 3 × 1297 × 1381. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 14, 48, 995, 304, 3369, 8062, 92220, 83904, 189478, 409869, 4303379, 783883, 3598400, 72361567, 438601802, 405180056, 6174512368, 5539434674

Basic calculations (n = 21493884)

Multiplication

n×y
n×2 42987768
n×3 64481652
n×4 85975536
n×5 107469420

Division

n÷y
n÷2 10746942
n÷3 7164628
n÷3 5373471
n÷5 4298776.8

Exponentiation

ny
n2 461987049405456
n3 9.9298960494231E+21
n4 2.1343203381836E+29
n5 4.5874833767759E+36

Nth Root

y√n
2√n 4636.1496955987
3√n 278.03851923861
4√n 68.089277390781
5√n 29.272713361063

Divisors of 21493884

1, 2, 3, 4, 6, 12, 1297, 1381, 2594, 2762, 3891, 4143, 5188, 5524, 7782, 8286, 15564, 16572, 1791157, 3582314, 5373471, 7164628, 10746942, 21493884

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493884 can be divided by 24 positive divisors. The sum of these divisors (counting 21493884) is 1, the average is 0.041666666666667.

Base conversion 21493884

Base System Value
2 Binary 1010001111111100001111100
3 Ternary 1111110000001210
4 Quaternary 1101333201330
5 Quinary 21000301014
6 Senary 2044404420
8 Octal 121774174
10 Decimal 21493884
12 Duodecimal 7246710
16 Hexadecimal 147f87c
20 Vigesimal 6e6ee4
36 Base36 csosc

Cryptographic Hash Functions

md5 cda977727a1e60c4e3b6ede1476a9cbb
sha1 af0ec66ab11974eb0a821e97fc484e28d7c17ecb
sha256 6729c8f2e7fe78f5009ed01e6702e2f8d3a17c56b5ef0e238ca655ff214f0bee
sha512 4d17b9cd75c22ba77f2e854e04301be54892aeb746067306b0d218b830fd4eeb3a67eee1c7799d250c36d4bbeb8ed331e4788d9d3fae08142310c48d036170ce
ripemd-160 1a1506e8643b6e954cf1c5982296b6f9e6e8b8ad

21493884 as geometric shapes

Circle

Radius = n
Diameter 42987768
Circumference 135050056.14302
Area 1.4513751204658E+15

Sphere

Radius = n
Volume 4.1594251306371E+22
Surface area 5.8055004818632E+15
Circumference 135050056.14302

Square

Length = n
Perimeter 85975536
Area 461987049405456
Diagonal 30396942.260874

Cube

Length = n
Surface area 2771922296432736
Volume 9.9298960494231E+21
Space diagonal 37228499.139992

Equilateral Triangle

Length = n
Perimeter 64481652
Area 2.0004626050227E+14
Altitude 18614249.569996

Triangular Pyramid

Length = n
Surface area 2.0004626050227E+14
Volume 1.1702494721708E+21
Height 10132314.086958