20921395 (number)

20921395 is an odd 8-digits composite number following 20921394 and preceding 20921396. In scientific notation, it is written as 2.0921395 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15028960 positive integers (up to 20921395) that are relatively prime to 20921395.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred ninety-five

Notation

Scientific notation 2.0921395 × 10^7
Engineering notation 2.0921395 × 10^6

Prime Factorization of 20921395

Prime Factorization 5 × 11 × 83 × 4583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921395
Product of the distinct prime numbers

The prime factorization of 20921395 is 5 × 11 × 83 × 4583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 77, 61, 163, 214, 961, 529, 6539, 85358, 824051, 934393, 2886879, 6488868, 19270235, 60315772, 209492091, 968588259, 1483692459, 8063028227

Basic calculations (n = 20921395)

Multiplication

n×y
n×2 41842790
n×3 62764185
n×4 83685580
n×5 104606975

Division

n÷y
n÷2 10460697.5
n÷3 6973798.3333333
n÷3 5230348.75
n÷5 4184279

Exponentiation

ny
n2 437704768746025
n3 9.1573943603192E+21
n4 1.9158546458301E+29
n5 4.0082351807997E+36

Nth Root

y√n
2√n 4573.991145597
3√n 275.54775671529
4√n 67.631288214827
5√n 29.11508938955

Divisors of 20921395

1, 5, 11, 55, 83, 415, 913, 4565, 4583, 22915, 50413, 252065, 380389, 1901945, 4184279, 20921395

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 -20921394
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 20921395 can be divided by 16 positive divisors. The sum of these divisors (counting 20921395) is 1, the average is 0.0625.

Base conversion 20921395

Base System Value
2 Binary 1001111110011110000110011
3 Ternary 1110100220202111
4 Quaternary 1033303300303
5 Quinary 20323441040
6 Senary 2024230151
8 Octal 117636063
10 Decimal 20921395
12 Duodecimal 700b357
16 Hexadecimal 13f3c33
20 Vigesimal 6af39f
36 Base36 cgf1v

Cryptographic Hash Functions

md5 18841cd676e90efac246af6cfe0a095d
sha1 d29ee0e0735c7390fe5a2a247f39477f0142781f
sha256 60136910f233ff03c20d4530689d379f6627322a17eceefa9d851b1e4642d619
sha512 6136d2e014dab3d9ad8f7b0980344e20d0bb171533894d003896fdc038588a5510b15de6903459d8135e81b53a3378a6a56a234f1eaae121eb46a01fe4d64c4e
ripemd-160 1bff88a74996c7f7c99d5d8fc6f34919b40c4fb7

20921395 as geometric shapes

Circle

Radius = n
Diameter 41842790
Circumference 131453001.6697
Area 1.3750900859337E+15

Sphere

Radius = n
Volume 3.8358403797871E+22
Surface area 5.5003603437349E+15
Circumference 131453001.6697

Square

Length = n
Perimeter 83685580
Area 437704768746025
Diagonal 29587320.552765

Cube

Length = n
Surface area 2626228612476150
Volume 9.1573943603192E+21
Space diagonal 36236919.105217

Equilateral Triangle

Length = n
Perimeter 62764185
Area 1.8953172454583E+14
Altitude 18118459.552609

Triangular Pyramid

Length = n
Surface area 1.8953172454583E+14
Volume 1.0792092750302E+21
Height 9862440.1842549