21431430 (number)

21431430 is an even 8-digits composite number following 21431429 and preceding 21431431. In scientific notation, it is written as 2.1431430 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 64 positive divisors. There are 5313600 positive integers (up to 21431430) that are relatively prime to 21431430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431430 × 10^7
Engineering notation 2.1431430 × 10^6

Prime Factorization of 21431430

Prime Factorization 2 × 9 × 5 × 83 × 19 × 151

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21431430
Product of the distinct prime numbers

The prime factorization of 21431430 is 2 × 9 × 5 × 83 × 19 × 151. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 9, 15, 77, 828, 420, 7807, 4589, 2388, 67006, 236459, 739360, 4957061, 1017273, 21778203, 11393206, 482891029, 810346047, 5273632006, 4239264764

Basic calculations (n = 21431430)

Multiplication

n×y
n×2 42862860
n×3 64294290
n×4 85725720
n×5 107157150

Division

n÷y
n÷2 10715715
n÷3 7143810
n÷3 5357857.5
n÷5 4286286

Exponentiation

ny
n2 459306191844900
n3 9.8435884990905E+21
n4 2.1096217786706E+29
n5 4.5212211476055E+36

Nth Root

y√n
2√n 4629.4092495695
3√n 277.76896250544
4√n 68.039762268614
5√n 29.25568222231

Divisors of 21431430

1, 2, 5, 9, 10, 18, 19, 38, 45, 83, 90, 95, 151, 166, 171, 190, 302, 342, 415, 747, 755, 830, 855, 1359, 1494, 1510, 1577, 1710, 2718, 2869, 3154, 3735, 5738, 6795, 7470, 7885, 12533, 13590, 14193, 14345, 15770, 25066, 25821, 28386, 28690, 51642, 62665, 70965, 112797, 125330, 129105, 141930, 225594, 238127, 258210, 476254, 563985, 1127970, 1190635, 2143143, 2381270, 4286286, 10715715, 21431430

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431429
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431430 can be divided by 64 positive divisors. The sum of these divisors (counting 21431430) is 1, the average is 0.015625.

Base conversion 21431430

Base System Value
2 Binary 1010001110000010010000110
3 Ternary 1111022211101200
4 Quaternary 1101300102012
5 Quinary 20441301210
6 Senary 2043203330
8 Octal 121602206
10 Decimal 21431430
12 Duodecimal 7216546
16 Hexadecimal 1470486
20 Vigesimal 6diiba
36 Base36 crcli

Cryptographic Hash Functions

md5 ddd179f170d8ec5536e85c38985e1904
sha1 c83f7f502e17d29e70fc989bfca6c940206c3f2a
sha256 87a46ad6a3616a2581e01917a0008778f78f86b6cae50835746c35a56f834a7e
sha512 7fc3a53115f75461b6f31c576c5ea0f21c4904c4f737015a0d0bc9fba0dd97ca43407b645e8e522e9bad8d289894f649dd43a6418f7655fb658fbe6e628afb44
ripemd-160 3dc72ee3c274feda8c5fdb930b25b456f7b92851

21431430 as geometric shapes

Circle

Radius = n
Diameter 42862860
Circumference 134657646.08785
Area 1.4429529580482E+15

Sphere

Radius = n
Volume 4.1232727084938E+22
Surface area 5.771811832193E+15
Circumference 134657646.08785

Square

Length = n
Perimeter 85725720
Area 459306191844900
Diagonal 30308618.96705

Cube

Length = n
Surface area 2755837151069400
Volume 9.8435884990905E+21
Space diagonal 37120325.638856

Equilateral Triangle

Length = n
Perimeter 64294290
Area 1.9888541512659E+14
Altitude 18560162.819428

Triangular Pyramid

Length = n
Surface area 1.9888541512659E+14
Volume 1.1600780298195E+21
Height 10102872.989017