20921698 (number)

20921698 is an even 8-digits composite number following 20921697 and preceding 20921699. In scientific notation, it is written as 2.0921698 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8494416 positive integers (up to 20921698) that are relatively prime to 20921698.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921698 × 10^7
Engineering notation 2.0921698 × 10^6

Prime Factorization of 20921698

Prime Factorization 2 × 7 × 19 × 78653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921698
Product of the distinct prime numbers

The prime factorization of 20921698 is 2 × 7 × 19 × 78653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921698)

Multiplication

n×y
n×2 41843396
n×3 62765094
n×4 83686792
n×5 104608490

Division

n÷y
n÷2 10460849
n÷3 6973899.3333333
n÷3 5230424.5
n÷5 4184339.6

Exponentiation

ny
n2 437717447203204
n3 9.1577922397164E+21
n4 1.9159656358609E+29
n5 4.008525441186E+36

Nth Root

y√n
2√n 4574.0242675351
3√n 275.54908694155
4√n 67.631533085796
5√n 29.11517372256

Divisors of 20921698

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 -20921697
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 20921698 can be divided by 16 positive divisors. The sum of these divisors (counting 20921698) is 1, the average is 0.0625.

Base conversion 20921698

Base System Value
2 Binary 1001111110011110101100010
3 Ternary 1110100221011201
4 Quaternary 1033303311202
5 Quinary 20323443243
6 Senary 2024231414
8 Octal 117636542
10 Decimal 20921698
12 Duodecimal 700b56a
16 Hexadecimal 13f3d62
20 Vigesimal 6af44i
36 Base36 cgfaa

Cryptographic Hash Functions

md5 bba3bcb187cda5971cde96d224379178
sha1 56c8805c6f4d67e113bdf4e85e0f0e549fffcfd5
sha256 4c3e89ba47c01f40dc98486c1ed51628cb3370c911582a519b7c8fb7db57ebb7
sha512 97e2fd54b626bb2d6cf5c210a4591ffa4ca11a44bce0421d3257e1b5080975d990e5e9a8ae462886089df202a1c1eab1cfeb3b57d257f0dfad03d6359d7e34a4
ripemd-160 ac7db1ac7beae4909f28f95226bc9f38288f26eb

20921698 as geometric shapes

Circle

Radius = n
Diameter 41843396
Circumference 131454905.47485
Area 1.3751299164817E+15

Sphere

Radius = n
Volume 3.8360070431193E+22
Surface area 5.5005196659267E+15
Circumference 131454905.47485

Square

Length = n
Perimeter 83686792
Area 437717447203204
Diagonal 29587749.059474

Cube

Length = n
Surface area 2626304683219224
Volume 9.1577922397164E+21
Space diagonal 36237443.916612

Equilateral Triangle

Length = n
Perimeter 62765094
Area 1.8953721447882E+14
Altitude 18118721.958306

Triangular Pyramid

Length = n
Surface area 1.8953721447882E+14
Volume 1.0792561655668E+21
Height 9862583.0198247