20921679 (number)

20921679 is an odd 8-digits composite number following 20921678 and preceding 20921680. In scientific notation, it is written as 2.0921679 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12431232 positive integers (up to 20921679) that are relatively prime to 20921679.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred seventy-nine

Notation

Scientific notation 2.0921679 × 10^7
Engineering notation 2.0921679 × 10^6

Prime Factorization of 20921679

Prime Factorization 153 × 3 × 19 × 2399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921679
Product of the distinct prime numbers

The prime factorization of 20921679 is 153 × 3 × 19 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 21, 14, 454, 902, 8576, 5720, 61879, 39480, 566420, 109609, 1054121, 6504806, 17609296, 45204136, 924304996, 746026969, 4696794612, 9123747197

Basic calculations (n = 20921679)

Multiplication

n×y
n×2 41843358
n×3 62765037
n×4 83686716
n×5 104608395

Division

n÷y
n÷2 10460839.5
n÷3 6973893
n÷3 5230419.75
n÷5 4184335.8

Exponentiation

ny
n2 437716652179041
n3 9.1577672898445E+21
n4 1.9159586759483E+29
n5 4.0085072395455E+36

Nth Root

y√n
2√n 4574.0221905889
3√n 275.5490035284
4√n 67.631517730929
5√n 29.11516843438

Divisors of 20921679

1, 3, 19, 57, 153, 459, 2399, 2907, 7197, 8721, 45581, 136743, 367047, 1101141, 6973893, 20921679

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921678
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921679 can be divided by 16 positive divisors. The sum of these divisors (counting 20921679) is 1, the average is 0.0625.

Base conversion 20921679

Base System Value
2 Binary 1001111110011110101001111
3 Ternary 1110100221011000
4 Quaternary 1033303311033
5 Quinary 20323443204
6 Senary 2024231343
8 Octal 117636517
10 Decimal 20921679
12 Duodecimal 700b553
16 Hexadecimal 13f3d4f
20 Vigesimal 6af43j
36 Base36 cgf9r

Cryptographic Hash Functions

md5 19a90b0f38b7d69f3790126fe544393c
sha1 9c13c3a9c8f498d34d13692d4bcfacc88a442f6a
sha256 88374490db59d5d8987eba2c76fa16ac4aca14dca8be43e4bffd0954e4c75693
sha512 d5debc9b191fd9ea876821539edad9c9393377dd6414f011aeda83dec660f2889e37bb3efe1c14965db8cc5ca2e017e10293cd5f158b01bc100aacf9add97c74
ripemd-160 400d1df523cb690aa28cd30147a4255d0bf650e6

20921679 as geometric shapes

Circle

Radius = n
Diameter 41843358
Circumference 131454786.09433
Area 1.3751274188396E+15

Sphere

Radius = n
Volume 3.8359965921414E+22
Surface area 5.5005096753584E+15
Circumference 131454786.09433

Square

Length = n
Perimeter 83686716
Area 437716652179041
Diagonal 29587722.189416

Cube

Length = n
Surface area 2626299913074246
Volume 9.1577672898445E+21
Space diagonal 36237411.007647

Equilateral Triangle

Length = n
Perimeter 62765037
Area 1.8953687022326E+14
Altitude 18118705.503823

Triangular Pyramid

Length = n
Surface area 1.8953687022326E+14
Volume 1.0792532251962E+21
Height 9862574.0631388