20921684 (number)

20921684 is an even 8-digits composite number following 20921683 and preceding 20921685. In scientific notation, it is written as 2.0921684 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 8966424 positive integers (up to 20921684) that are relatively prime to 20921684.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred eighty-four

Notation

Scientific notation 2.0921684 × 10^7
Engineering notation 2.0921684 × 10^6

Prime Factorization of 20921684

Prime Factorization 2 × 2 × 7 × 747203

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460842
Product of the distinct prime numbers

The prime factorization of 20921684 is 2 × 2 × 7 × 747203. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 59, 66, 511, 380, 9995, 3826, 9148, 954, 182508, 698671, 8611048, 7878273, 45775556, 52242605, 105599172, 801057743, 5206766321, 6335570145

Basic calculations (n = 20921684)

Multiplication

n×y
n×2 41843368
n×3 62765052
n×4 83686736
n×5 104608420

Division

n÷y
n÷2 10460842
n÷3 6973894.6666667
n÷3 5230421
n÷5 4184336.8

Exponentiation

ny
n2 437716861395856
n3 9.1577738555959E+21
n4 1.9159605075024E+29
n5 4.0085120294445E+36

Nth Root

y√n
2√n 4574.0227371538
3√n 275.54902547924
4√n 67.631521771684
5√n 29.115169826006

Divisors of 20921684

1, 2, 4, 7, 14, 28, 747203, 1494406, 2988812, 5230421, 10460842, 20921684

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921683
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921684 can be divided by 12 positive divisors. The sum of these divisors (counting 20921684) is 1, the average is 0.083333333333333.

Base conversion 20921684

Base System Value
2 Binary 1001111110011110101010100
3 Ternary 1110100221011012
4 Quaternary 1033303311110
5 Quinary 20323443214
6 Senary 2024231352
8 Octal 117636524
10 Decimal 20921684
12 Duodecimal 700b558
16 Hexadecimal 13f3d54
20 Vigesimal 6af444
36 Base36 cgf9w

Cryptographic Hash Functions

md5 b0e98dec5c1e2c01156f2d8b19c8d3c0
sha1 974e685bfbc09e65d5d0939515ef093a3532aac5
sha256 7988c64abc7e0e86458bf8454fe8275288b0206248c1758ca762aaa0f6592ed1
sha512 9394acf55f238a2bc9ee29c526878d3cf12d9d235111ecac2c4852067a9d2f47be0e04f25d1f1eeab37569196a7aa5c12feb1f3f68a389c0b3887ac62482b0a8
ripemd-160 90ddaa0990b906f7752f04930692fd072eb533b4

20921684 as geometric shapes

Circle

Radius = n
Diameter 41843368
Circumference 131454817.51025
Area 1.3751280761136E+15

Sphere

Radius = n
Volume 3.8359993423969E+22
Surface area 5.5005123044544E+15
Circumference 131454817.51025

Square

Length = n
Perimeter 83686736
Area 437716861395856
Diagonal 29587729.260484

Cube

Length = n
Surface area 2626301168375136
Volume 9.1577738555959E+21
Space diagonal 36237419.667901

Equilateral Triangle

Length = n
Perimeter 62765052
Area 1.895369608168E+14
Altitude 18118709.83395

Triangular Pyramid

Length = n
Surface area 1.895369608168E+14
Volume 1.0792539989775E+21
Height 9862576.4201614