21431806 (number)

21431806 is an even 8-digits composite number following 21431805 and preceding 21431807. In scientific notation, it is written as 2.1431806 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 9354240 positive integers (up to 21431806) that are relatively prime to 21431806.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1431806 × 10^7
Engineering notation 2.1431806 × 10^6

Prime Factorization of 21431806

Prime Factorization 2 × 37 × 11 × 113 × 233

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21431806
Product of the distinct prime numbers

The prime factorization of 21431806 is 2 × 37 × 11 × 113 × 233. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 83, 54, 759, 251, 687, 1528, 29393, 5678, 549227, 377584, 1595504, 4563524, 71399894, 33774009, 294746370, 823846158, 2197759137, 2574433965

Basic calculations (n = 21431806)

Multiplication

n×y
n×2 42863612
n×3 64295418
n×4 85727224
n×5 107159030

Division

n÷y
n÷2 10715903
n÷3 7143935.3333333
n÷3 5357951.5
n÷5 4286361.2

Exponentiation

ny
n2 459322308421636
n3 9.8441066055647E+21
n4 2.1097698301378E+29
n5 4.5216177704166E+36

Nth Root

y√n
2√n 4629.4498593245
3√n 277.77058691904
4√n 68.040060694598
5√n 29.255784875836

Divisors of 21431806

1, 2, 11, 22, 37, 74, 113, 226, 233, 407, 466, 814, 1243, 2486, 2563, 4181, 5126, 8362, 8621, 17242, 26329, 45991, 52658, 91982, 94831, 189662, 289619, 579238, 974173, 1948346, 10715903, 21431806

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 -21431805
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 21431806 can be divided by 32 positive divisors. The sum of these divisors (counting 21431806) is 1, the average is 0.03125.

Base conversion 21431806

Base System Value
2 Binary 1010001110000010111111110
3 Ternary 1111022211220121
4 Quaternary 1101300113332
5 Quinary 20441304211
6 Senary 2043205154
8 Octal 121602776
10 Decimal 21431806
12 Duodecimal 72167ba
16 Hexadecimal 14705fe
20 Vigesimal 6dija6
36 Base36 crcvy

Cryptographic Hash Functions

md5 2c696c414cf4cfe93c78cf95fe7fe4f7
sha1 aad69ee9c53c447e09f5f362aa92c364b50eccd2
sha256 3771f804218f01b267279cd28340cdafcd506d839c98918eeef1e9cd3ccef85d
sha512 6ffa21de05f101c1452174f29eb4ce6b823135654e1a6c1f06fb8575c0c9ab1790c8feddc06179bcb7824c1528546cdc5cb0fa002d058e72c1f0b7d10894b8f8
ripemd-160 6b53ce21d78aded330db8ad87808f0b7d0ed9cc4

21431806 as geometric shapes

Circle

Radius = n
Diameter 42863612
Circumference 134660008.56552
Area 1.4430035897673E+15

Sphere

Radius = n
Volume 4.1234897324262E+22
Surface area 5.7720143590693E+15
Circumference 134660008.56552

Square

Length = n
Perimeter 85727224
Area 459322308421636
Diagonal 30309150.711349

Cube

Length = n
Surface area 2755933850529816
Volume 9.8441066055647E+21
Space diagonal 37120976.88996

Equilateral Triangle

Length = n
Perimeter 64295418
Area 1.9889239380902E+14
Altitude 18560488.44498

Triangular Pyramid

Length = n
Surface area 1.9889239380902E+14
Volume 1.160139089253E+21
Height 10103050.237116