21431738 (number)

21431738 is an even 8-digits composite number following 21431737 and preceding 21431739. In scientific notation, it is written as 2.1431738 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10709244 positive integers (up to 21431738) that are relatively prime to 21431738.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand seven hundred thirty-eight

Notation

Scientific notation 2.1431738 × 10^7
Engineering notation 2.1431738 × 10^6

Prime Factorization of 21431738

Prime Factorization 2 × 3823 × 2803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431738
Product of the distinct prime numbers

The prime factorization of 21431738 is 2 × 3823 × 2803. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 47, 40, 313, 687, 1928, 4141, 98983, 49152, 123586, 235998, 4930400, 6493412, 20848726, 58408237, 356225426, 505972449, 4402055141, 7698678856

Basic calculations (n = 21431738)

Multiplication

n×y
n×2 42863476
n×3 64295214
n×4 85726952
n×5 107158690

Division

n÷y
n÷2 10715869
n÷3 7143912.6666667
n÷3 5357934.5
n÷5 4286347.6

Exponentiation

ny
n2 459319393700644
n3 9.8440129041111E+21
n4 2.1097430542953E+29
n5 4.5215460386976E+36

Nth Root

y√n
2√n 4629.4425150335
3√n 277.77029314352
4√n 68.040006724232
5√n 29.255766310943

Divisors of 21431738

1, 2, 2803, 3823, 5606, 7646, 10715869, 21431738

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 -21431737
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 21431738 can be divided by 8 positive divisors. The sum of these divisors (counting 21431738) is 1, the average is 0.125.

Base conversion 21431738

Base System Value
2 Binary 1010001110000010110111010
3 Ternary 1111022211211002
4 Quaternary 1101300112322
5 Quinary 20441303423
6 Senary 2043205002
8 Octal 121602672
10 Decimal 21431738
12 Duodecimal 7216762
16 Hexadecimal 14705ba
20 Vigesimal 6dij6i
36 Base36 crcu2

Cryptographic Hash Functions

md5 3e4552300f79114458f73a475b332629
sha1 5e193fb75cd6d80121f8b2d8cdbe1a45946f6db8
sha256 f3c36dc99cab554c4560079d4b9155aff7e01014ae18ddffac73ba89738dbd0e
sha512 b336ffae36ee4abeb8757dd6eac81dcff2db0595bebd85bb63b99e06ba121db969a383810bfe58fac4ab6e918bd1a6c6310b835083bb98d6e7e4cf2ec9506a7f
ripemd-160 5671e042df07d7cccc892802607c28f27430a252

21431738 as geometric shapes

Circle

Radius = n
Diameter 42863476
Circumference 134659581.30892
Area 1.4429944329013E+15

Sphere

Radius = n
Volume 4.1234504828531E+22
Surface area 5.771977731605E+15
Circumference 134659581.30892

Square

Length = n
Perimeter 85726952
Area 459319393700644
Diagonal 30309054.544827

Cube

Length = n
Surface area 2755916362203864
Volume 9.8440129041111E+21
Space diagonal 37120859.110505

Equilateral Triangle

Length = n
Perimeter 64295214
Area 1.9889113169781E+14
Altitude 18560429.555252

Triangular Pyramid

Length = n
Surface area 1.9889113169781E+14
Volume 1.1601280464308E+21
Height 10103018.181609