21431420 (number)

21431420 is an even 8-digits composite number following 21431419 and preceding 21431421. In scientific notation, it is written as 2.1431420 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 8572560 positive integers (up to 21431420) that are relatively prime to 21431420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431420 × 10^7
Engineering notation 2.1431420 × 10^6

Prime Factorization of 21431420

Prime Factorization 2 × 2 × 5 × 1071571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10715710
Product of the distinct prime numbers

The prime factorization of 21431420 is 2 × 2 × 5 × 1071571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 36, 98, 359, 623, 8385, 5664, 76629, 26513, 247226, 612198, 3701153, 8953073, 83664796, 291008, 395806892, 162513862, 8930319386, 7582234753

Basic calculations (n = 21431420)

Multiplication

n×y
n×2 42862840
n×3 64294260
n×4 85725680
n×5 107157100

Division

n÷y
n÷2 10715710
n÷3 7143806.6666667
n÷3 5357855
n÷5 4286284

Exponentiation

ny
n2 459305763216400
n3 9.8435747199112E+21
n4 2.109617841238E+29
n5 4.5212105995065E+36

Nth Root

y√n
2√n 4629.408169518
3√n 277.76891930269
4√n 68.039754331699
5√n 29.255679492143

Divisors of 21431420

1, 2, 4, 5, 10, 20, 1071571, 2143142, 4286284, 5357855, 10715710, 21431420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431420 can be divided by 12 positive divisors. The sum of these divisors (counting 21431420) is 1, the average is 0.083333333333333.

Base conversion 21431420

Base System Value
2 Binary 1010001110000010001111100
3 Ternary 1111022211101022
4 Quaternary 1101300101330
5 Quinary 20441301140
6 Senary 2043203312
8 Octal 121602174
10 Decimal 21431420
12 Duodecimal 7216538
16 Hexadecimal 147047c
20 Vigesimal 6diib0
36 Base36 crcl8

Cryptographic Hash Functions

md5 1db7b1b328c2183e01a2e18dca8274d0
sha1 12b3ecf9b18e9feac21a626b8505297b541eda1c
sha256 640b14cccbfe2e7d8c2fdca384ec8bc6d935af8ab2d9e74cdd8c1d9312881d61
sha512 be0941ca019c2f384847a0106575ba5fe51b4aec42f1a65d372d20f484f8ede1ce5fa7d0a60704e29ab280b0073b77dd145864d177f679d4f9aa8d49f459d648
ripemd-160 292f1a2be00d08798dbefed764385ad16f95841a

21431420 as geometric shapes

Circle

Radius = n
Diameter 42862840
Circumference 134657583.25599
Area 1.4429516114721E+15

Sphere

Radius = n
Volume 4.1232669366847E+22
Surface area 5.7718064458884E+15
Circumference 134657583.25599

Square

Length = n
Perimeter 85725680
Area 459305763216400
Diagonal 30308604.824914

Cube

Length = n
Surface area 2755834579298400
Volume 9.8435747199112E+21
Space diagonal 37120308.318348

Equilateral Triangle

Length = n
Perimeter 64294260
Area 1.98885229525E+14
Altitude 18560154.159174

Triangular Pyramid

Length = n
Surface area 1.98885229525E+14
Volume 1.1600764059276E+21
Height 10102868.274971