20921929 (number)

20921929 is an odd 8-digits composite number following 20921928 and preceding 20921930. In scientific notation, it is written as 2.0921929 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17933076 positive integers (up to 20921929) that are relatively prime to 20921929.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921929 × 10^7
Engineering notation 2.0921929 × 10^6

Prime Factorization of 20921929

Prime Factorization 7 × 2988847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921929
Product of the distinct prime numbers

The prime factorization of 20921929 is 7 × 2988847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921929)

Multiplication

n×y
n×2 41843858
n×3 62765787
n×4 83687716
n×5 104609645

Division

n÷y
n÷2 10460964.5
n÷3 6973976.3333333
n÷3 5230482.25
n÷5 4184385.8

Exponentiation

ny
n2 437727113081041
n3 9.1580955812565E+21
n4 1.9160502552626E+29
n5 4.0087467401037E+36

Nth Root

y√n
2√n 4574.0495187525
3√n 275.55010106582
4√n 67.631719767817
5√n 29.115238015385

Divisors of 20921929

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921928
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921929 can be divided by 4 positive divisors. The sum of these divisors (counting 20921929) is 1, the average is 0.25.

Base conversion 20921929

Base System Value
2 Binary 1001111110011111001001001
3 Ternary 1110100221111021
4 Quaternary 1033303321021
5 Quinary 20324000204
6 Senary 2024232441
8 Octal 117637111
10 Decimal 20921929
12 Duodecimal 700b721
16 Hexadecimal 13f3e49
20 Vigesimal 6af4g9
36 Base36 cgfgp

Cryptographic Hash Functions

md5 813ff566074118be0aa86eef8a75928e
sha1 ebf72cd0ad2521c604db1c17f179b9943f9d4787
sha256 70aa02c065bce08cfc9a0e6b44e2598af80b3536bb65fb2086df2826a2c48900
sha512 10d12a479196eb2da61e90543a90701607bc121e62a140a1b363ab81bb7eb2044f343f5ef1c73a7a507acde1795d4effd1d84572decb3bf676fdf2ba6be41d70
ripemd-160 3d72d1ea1cc6a0395015faafc862479ba463cdd8

20921929 as geometric shapes

Circle

Radius = n
Diameter 41843858
Circumference 131456356.89065
Area 1.3751602827325E+15

Sphere

Radius = n
Volume 3.8361341065265E+22
Surface area 5.5006411309299E+15
Circumference 131456356.89065

Square

Length = n
Perimeter 83687716
Area 437727113081041
Diagonal 29588075.742807

Cube

Length = n
Surface area 2626362678486246
Volume 9.1580955812565E+21
Space diagonal 36237844.020349

Equilateral Triangle

Length = n
Perimeter 62765787
Area 1.895413999267E+14
Altitude 18118922.010174

Triangular Pyramid

Length = n
Surface area 1.895413999267E+14
Volume 1.0792919147102E+21
Height 9862691.914269