20921357 (number)

20921357 is an odd 8-digits composite number following 20921356 and preceding 20921358. In scientific notation, it is written as 2.0921357 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20120800 positive integers (up to 20921357) that are relatively prime to 20921357.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred fifty-seven

Notation

Scientific notation 2.0921357 × 10^7
Engineering notation 2.0921357 × 10^6

Prime Factorization of 20921357

Prime Factorization 41 × 71 × 7187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921357
Product of the distinct prime numbers

The prime factorization of 20921357 is 41 × 71 × 7187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921357)

Multiplication

n×y
n×2 41842714
n×3 62764071
n×4 83685428
n×5 104606785

Division

n÷y
n÷2 10460678.5
n÷3 6973785.6666667
n÷3 5230339.25
n÷5 4184271.4

Exponentiation

ny
n2 437703178721449
n3 9.1573444620662E+21
n4 1.9158407266286E+29
n5 4.0081987796936E+36

Nth Root

y√n
2√n 4573.9869916737
3√n 275.54758988733
4√n 67.631257504749
5√n 29.115078813065

Divisors of 20921357

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921356
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921357 can be divided by 8 positive divisors. The sum of these divisors (counting 20921357) is 1, the average is 0.125.

Base conversion 20921357

Base System Value
2 Binary 1001111110011110000001101
3 Ternary 1110100220201002
4 Quaternary 1033303300031
5 Quinary 20323440412
6 Senary 2024230045
8 Octal 117636015
10 Decimal 20921357
12 Duodecimal 700b325
16 Hexadecimal 13f3c0d
20 Vigesimal 6af37h
36 Base36 cgf0t

Cryptographic Hash Functions

md5 3153d276eb0140ae81828efb4af5b31e
sha1 db770650f3678f0a9374b9777e311d70552bec90
sha256 dd765df0bb0bae35e5bbab3e13f847cf5ff3e438b43cf69c821f491f74cd6d0e
sha512 6d5096760f552cee05f5b9382a97b903dd625322004dc08287b331283472ee3c872fa8d874b608150beda1858429fd9e2d468a51773b95632ffabe4eb8014e9c
ripemd-160 58c90f9fecb4f36aae4eac193bf2935b7bcf5682

20921357 as geometric shapes

Circle

Radius = n
Diameter 41842714
Circumference 131452762.90866
Area 1.3750850907242E+15

Sphere

Radius = n
Volume 3.8358194784558E+22
Surface area 5.5003403628968E+15
Circumference 131452762.90866

Square

Length = n
Perimeter 83685428
Area 437703178721449
Diagonal 29587266.812649

Cube

Length = n
Surface area 2626219072328694
Volume 9.1573444620662E+21
Space diagonal 36236853.287287

Equilateral Triangle

Length = n
Perimeter 62764071
Area 1.8953103604499E+14
Altitude 18118426.643643

Triangular Pyramid

Length = n
Surface area 1.8953103604499E+14
Volume 1.0792033944647E+21
Height 9862422.2708831