21493856 (number)

21493856 is an even 8-digits composite number following 21493855 and preceding 21493857. In scientific notation, it is written as 2.1493856 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 10624768 positive integers (up to 21493856) that are relatively prime to 21493856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493856 × 10^7
Engineering notation 2.1493856 × 10^6

Prime Factorization of 21493856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 89 × 7547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1343366
Product of the distinct prime numbers

The prime factorization of 21493856 is 2 × 2 × 2 × 2 × 2 × 89 × 7547. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 6, 73, 38, 699, 926, 5763, 2248, 67758, 98881, 733087, 716446, 5534119, 859802, 21751720, 29074722, 880252944, 869289784, 4486914374, 5775457200

Basic calculations (n = 21493856)

Multiplication

n×y
n×2 42987712
n×3 64481568
n×4 85975424
n×5 107469280

Division

n÷y
n÷2 10746928
n÷3 7164618.6666667
n÷3 5373464
n÷5 4298771.2

Exponentiation

ny
n2 461985845748736
n3 9.9298572425615E+21
n4 2.1343092167217E+29
n5 4.587453496369E+36

Nth Root

y√n
2√n 4636.1466758505
3√n 278.03839850532
4√n 68.08925521586
5√n 29.272705734369

Divisors of 21493856

1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7547, 15094, 30188, 60376, 120752, 241504, 671683, 1343366, 2686732, 5373464, 10746928, 21493856

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 -21493855
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 21493856 can be divided by 24 positive divisors. The sum of these divisors (counting 21493856) is 1, the average is 0.041666666666667.

Base conversion 21493856

Base System Value
2 Binary 1010001111111100001100000
3 Ternary 1111110000000202
4 Quaternary 1101333201200
5 Quinary 21000300411
6 Senary 2044404332
8 Octal 121774140
10 Decimal 21493856
12 Duodecimal 72466a8
16 Hexadecimal 147f860
20 Vigesimal 6e6ecg
36 Base36 csork

Cryptographic Hash Functions

md5 1d107cfe8675047922b21e059e9a8a94
sha1 9b34fdf90f6ec6850a109c2f41865d9e64ba9aa7
sha256 91f670e2197093e42f54970a3aea932c7a188a19b19c2f07628bd4a4fea0d171
sha512 b008e7d2f3a85d9cdccaf616f6d2d72e967adb8d7e40626c481ff7cf50316374a2aa76f42afaac85d68b201b4cf9d14a609bb1846a8e9a5bdda47d99fc488101
ripemd-160 4a69f42455403543a740a671648f12e3306e27a3

21493856 as geometric shapes

Circle

Radius = n
Diameter 42987712
Circumference 135049880.21383
Area 1.4513713390667E+15

Sphere

Radius = n
Volume 4.1594088752569E+22
Surface area 5.8054853562668E+15
Circumference 135049880.21383

Square

Length = n
Perimeter 85975424
Area 461985845748736
Diagonal 30396902.662894

Cube

Length = n
Surface area 2771915074492416
Volume 9.9298572425615E+21
Space diagonal 37228450.642569

Equilateral Triangle

Length = n
Perimeter 64481568
Area 2.0004573930362E+14
Altitude 18614225.321285

Triangular Pyramid

Length = n
Surface area 2.0004573930362E+14
Volume 1.1702448987383E+21
Height 10132300.887631