20721892 (number)

20721892 is an even 8-digits composite number following 20721891 and preceding 20721893. In scientific notation, it is written as 2.0721892 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 9757440 positive integers (up to 20721892) that are relatively prime to 20721892.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-one thousand eight hundred ninety-two

Notation

Scientific notation 2.0721892 × 10^7
Engineering notation 2.0721892 × 10^6

Prime Factorization of 20721892

Prime Factorization 2 × 2 × 41 × 29 × 4357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10360946
Product of the distinct prime numbers

The prime factorization of 20721892 is 2 × 2 × 41 × 29 × 4357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 92, 41, 195, 898, 2634, 3066, 4534, 63751, 432300, 571432, 3843525, 3134053, 29944223, 54209799, 751212146, 756248934, 9655647112, 7083872556

Basic calculations (n = 20721892)

Multiplication

n×y
n×2 41443784
n×3 62165676
n×4 82887568
n×5 103609460

Division

n÷y
n÷2 10360946
n÷3 6907297.3333333
n÷3 5180473
n÷5 4144378.4

Exponentiation

ny
n2 429396808059664
n3 8.8979142817571E+21
n4 1.8438161877183E+29
n5 3.820735990975E+36

Nth Root

y√n
2√n 4552.130490221
3√n 274.66909841167
4√n 67.469478212159
5√n 29.059349023871

Divisors of 20721892

1, 2, 4, 29, 41, 58, 82, 116, 164, 1189, 2378, 4357, 4756, 8714, 17428, 126353, 178637, 252706, 357274, 505412, 714548, 5180473, 10360946, 20721892

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20721891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20721892 can be divided by 24 positive divisors. The sum of these divisors (counting 20721892) is 1, the average is 0.041666666666667.

Base conversion 20721892

Base System Value
2 Binary 1001111000011000011100100
3 Ternary 1102222210002111
4 Quaternary 1033003003210
5 Quinary 20301100032
6 Senary 2020050404
8 Octal 117030344
10 Decimal 20721892
12 Duodecimal 6b33a04
16 Hexadecimal 13c30e4
20 Vigesimal 69a4ec
36 Base36 cc544

Cryptographic Hash Functions

md5 2d64427de64a3079396bb099bfa4ad84
sha1 f44de16295dfd0466850131efa056f357d3ddaa8
sha256 6b9609d6510b5342ea79f4fcadea22da64f8b0f737d1f1b60225f5af7df7aa3b
sha512 d83051bbe09c2a54235edffc89c7c67a2605ec8dcfd2b627ad0e21c51b7fbc503e9e574e44d942a578761696a1166bb12fabab58308bfc30d5842e997438c10b
ripemd-160 3ffd68cdb3c742627a8bef585b9a532cb505a239

20721892 as geometric shapes

Circle

Radius = n
Diameter 41443784
Circumference 130199487.35136
Area 1.3489898576751E+15

Sphere

Radius = n
Volume 3.7271496186453E+22
Surface area 5.3959594307006E+15
Circumference 130199487.35136

Square

Length = n
Perimeter 82887568
Area 429396808059664
Diagonal 29305180.704431

Cube

Length = n
Surface area 2576380848357984
Volume 8.8979142817571E+21
Space diagonal 35891369.772955

Equilateral Triangle

Length = n
Perimeter 62165676
Area 1.8593427204181E+14
Altitude 17945684.886478

Triangular Pyramid

Length = n
Surface area 1.8593427204181E+14
Volume 1.0486292545078E+21
Height 9768393.5681435