20921697 (number)

20921697 is an odd 8-digits composite number following 20921696 and preceding 20921698. In scientific notation, it is written as 2.0921697 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 13082784 positive integers (up to 20921697) that are relatively prime to 20921697.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred ninety-seven

Notation

Scientific notation 2.0921697 × 10^7
Engineering notation 2.0921697 × 10^6

Prime Factorization of 20921697

Prime Factorization 23 × 9 × 53 × 1907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921697
Product of the distinct prime numbers

The prime factorization of 20921697 is 23 × 9 × 53 × 1907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 40, 31, 466, 837, 6975, 7171, 77968, 57356, 414197, 236697, 8266302, 2509041, 65711971, 53719841, 239450784, 191141204, 3600815073, 9460172629

Basic calculations (n = 20921697)

Multiplication

n×y
n×2 41843394
n×3 62765091
n×4 83686788
n×5 104608485

Division

n÷y
n÷2 10460848.5
n÷3 6973899
n÷3 5230424.25
n÷5 4184339.4

Exponentiation

ny
n2 437717405359809
n3 9.1577909265641E+21
n4 1.9159652695492E+29
n5 4.0085244832032E+36

Nth Root

y√n
2√n 4574.0241582222
3√n 275.54908255139
4√n 67.631532277645
5√n 29.115173444234

Divisors of 20921697

1, 9, 23, 53, 207, 477, 1219, 1907, 10971, 17163, 43861, 101071, 394749, 909639, 2324633, 20921697

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 -20921696
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 20921697 can be divided by 16 positive divisors. The sum of these divisors (counting 20921697) is 1, the average is 0.0625.

Base conversion 20921697

Base System Value
2 Binary 1001111110011110101100001
3 Ternary 1110100221011200
4 Quaternary 1033303311201
5 Quinary 20323443242
6 Senary 2024231413
8 Octal 117636541
10 Decimal 20921697
12 Duodecimal 700b569
16 Hexadecimal 13f3d61
20 Vigesimal 6af44h
36 Base36 cgfa9

Cryptographic Hash Functions

md5 0412162b1cd3c7c80ca8ffa3fcce2b66
sha1 e7c82d0d1a13cc93d668c714a19f47563d74bb9f
sha256 ab15a0073b123deff1d51ffc116275288cbeb95af931d5e17c2bdab9c9bc1524
sha512 0cb6beae8c04315f7b132215355e354f6e77b2bd3eea237d9252a906299a5d30358cb777a60555c29f9bbfb08af7fbb56e157099e88d21fc072f23314baf124b
ripemd-160 7a7217a9a908db0f27ba4ad63ae9e0bbe3de166d

20921697 as geometric shapes

Circle

Radius = n
Diameter 41843394
Circumference 131454899.19166
Area 1.3751297850268E+15

Sphere

Radius = n
Volume 3.8360064930673E+22
Surface area 5.500519140107E+15
Circumference 131454899.19166

Square

Length = n
Perimeter 83686788
Area 437717405359809
Diagonal 29587747.64526

Cube

Length = n
Surface area 2626304432158854
Volume 9.1577909265641E+21
Space diagonal 36237442.184561

Equilateral Triangle

Length = n
Perimeter 62765091
Area 1.895371963601E+14
Altitude 18118721.092281

Triangular Pyramid

Length = n
Surface area 1.895371963601E+14
Volume 1.0792560108104E+21
Height 9862582.5484202