21431640 (number)

21431640 is an even 8-digits composite number following 21431639 and preceding 21431641. In scientific notation, it is written as 2.1431640 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 5715072 positive integers (up to 21431640) that are relatively prime to 21431640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431640 × 10^7
Engineering notation 2.1431640 × 10^6

Prime Factorization of 21431640

Prime Factorization 2 × 2 × 2 × 3 × 5 × 178597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5357910
Product of the distinct prime numbers

The prime factorization of 21431640 is 2 × 2 × 2 × 3 × 5 × 178597. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 8, 1, 22, 797, 684, 2837, 3847, 52293, 9495, 565928, 236448, 8657710, 6251221, 42166813, 7037748, 491626749, 38291990, 5956285772, 4103336035

Basic calculations (n = 21431640)

Multiplication

n×y
n×2 42863280
n×3 64294920
n×4 85726560
n×5 107158200

Division

n÷y
n÷2 10715820
n÷3 7143880
n÷3 5357910
n÷5 4286328

Exponentiation

ny
n2 459315193089600
n3 9.8438778648268E+21
n4 2.1097044660294E+29
n5 4.5214426622334E+36

Nth Root

y√n
2√n 4629.4319305936
3√n 277.76986976005
4√n 68.039928943185
5√n 29.255739555574

Divisors of 21431640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178597, 357194, 535791, 714388, 892985, 1071582, 1428776, 1785970, 2143164, 2678955, 3571940, 4286328, 5357910, 7143880, 10715820, 21431640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21431639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21431640 can be divided by 32 positive divisors. The sum of these divisors (counting 21431640) is 1, the average is 0.03125.

Base conversion 21431640

Base System Value
2 Binary 1010001110000010101011000
3 Ternary 1111022211200110
4 Quaternary 1101300111120
5 Quinary 20441303030
6 Senary 2043204320
8 Octal 121602530
10 Decimal 21431640
12 Duodecimal 72166a0
16 Hexadecimal 1470558
20 Vigesimal 6dij20
36 Base36 crcrc

Cryptographic Hash Functions

md5 0cdad3beda246005af417ffefaf99057
sha1 7c45699d2ee15c85b2873307dca88f8de4d6ca82
sha256 097c78171c5381929822252fdf36faf5b80a7de1bdf1be2dd1eba55ccecea1c0
sha512 dc9b9ff133a7bf3eeebd2a2de623b13291df24573ebdbb582e752e1b4d85a0eb61b2734f8717b89a762855111d8c9b7563be9e39689ac8ddbaa615f0f3f6a0a9
ripemd-160 92bd9c17e5f1c98b81a30545c02942efb98714a2

21431640 as geometric shapes

Circle

Radius = n
Diameter 42863280
Circumference 134658965.55676
Area 1.4429812362925E+15

Sphere

Radius = n
Volume 4.12339391773E+22
Surface area 5.7719249451699E+15
Circumference 134658965.55676

Square

Length = n
Perimeter 85726560
Area 459315193089600
Diagonal 30308915.951898

Cube

Length = n
Surface area 2755891158537600
Volume 9.8438778648268E+21
Space diagonal 37120689.369525

Equilateral Triangle

Length = n
Perimeter 64294920
Area 1.9888931277987E+14
Altitude 18560344.684763

Triangular Pyramid

Length = n
Surface area 1.9888931277987E+14
Volume 1.1601121318985E+21
Height 10102971.983966