21431811 (number)

21431811 is an odd 8-digits composite number following 21431810 and preceding 21431812. In scientific notation, it is written as 2.1431811 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14271840 positive integers (up to 21431811) that are relatively prime to 21431811.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431811 × 10^7
Engineering notation 2.1431811 × 10^6

Prime Factorization of 21431811

Prime Factorization 3 × 1021 × 6997

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21431811
Product of the distinct prime numbers

The prime factorization of 21431811 is 3 × 1021 × 6997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 28, 37, 784, 59, 8860, 5176, 74622, 95699, 633856, 845725, 6940941, 8948487, 92724527, 54110852, 898365344, 804297564, 4540204879, 4237111282

Basic calculations (n = 21431811)

Multiplication

n×y
n×2 42863622
n×3 64295433
n×4 85727244
n×5 107159055

Division

n÷y
n÷2 10715905.5
n÷3 7143937
n÷3 5357952.75
n÷5 4286362.2

Exponentiation

ny
n2 459322522739721
n3 9.8441134954009E+21
n4 2.1097717989598E+29
n5 4.5216230448437E+36

Nth Root

y√n
2√n 4629.4503993455
3√n 277.77060852015
4√n 68.040064663002
5√n 29.2557862409

Divisors of 21431811

1, 3, 1021, 3063, 6997, 20991, 7143937, 21431811

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 -21431810
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 21431811 can be divided by 8 positive divisors. The sum of these divisors (counting 21431811) is 1, the average is 0.125.

Base conversion 21431811

Base System Value
2 Binary 1010001110000011000000011
3 Ternary 1111022211220210
4 Quaternary 1101300120003
5 Quinary 20441304221
6 Senary 2043205203
8 Octal 121603003
10 Decimal 21431811
12 Duodecimal 7216803
16 Hexadecimal 1470603
20 Vigesimal 6dijab
36 Base36 crcw3

Cryptographic Hash Functions

md5 cde839017347e62a14c77528c1a3176a
sha1 df271e66cc5b4a11c1bf6ac79c8bc7c044de3c0b
sha256 7e18ec6a2f901b52fac8adfc165f0b112fe58ca2ba866f06d3909a1a2a9720ae
sha512 8d86e1fe0551d3a11f0269c14ef9fb543d157103bc7e4265dd5882cacdaa80f62dc2e209c787893631bfb1809f304df4fdfb2a8032115940b22b233e32fad466
ripemd-160 119519c5f438d48631c3ef0e7d66f066783cf611

21431811 as geometric shapes

Circle

Radius = n
Diameter 42863622
Circumference 134660039.98145
Area 1.4430042630674E+15

Sphere

Radius = n
Volume 4.1234926184341E+22
Surface area 5.7720170522698E+15
Circumference 134660039.98145

Square

Length = n
Perimeter 85727244
Area 459322522739721
Diagonal 30309157.782417

Cube

Length = n
Surface area 2755935136438326
Volume 9.8441134954009E+21
Space diagonal 37120985.550214

Equilateral Triangle

Length = n
Perimeter 64295433
Area 1.9889248661148E+14
Altitude 18560492.775107

Triangular Pyramid

Length = n
Surface area 1.9889248661148E+14
Volume 1.160139901228E+21
Height 10103052.594139