20921380 (number)

20921380 is an even 8-digits composite number following 20921379 and preceding 20921381. In scientific notation, it is written as 2.0921380 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 8368544 positive integers (up to 20921380) that are relatively prime to 20921380.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921380 × 10^7
Engineering notation 2.0921380 × 10^6

Prime Factorization of 20921380

Prime Factorization 2 × 2 × 5 × 1046069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460690
Product of the distinct prime numbers

The prime factorization of 20921380 is 2 × 2 × 5 × 1046069. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 73, 39, 888, 825, 8554, 5656, 28948, 38176, 873802, 402478, 6354420, 5431523, 76052797, 79953913, 939812371, 552017057, 7405500633, 7512143110

Basic calculations (n = 20921380)

Multiplication

n×y
n×2 41842760
n×3 62764140
n×4 83685520
n×5 104606900

Division

n÷y
n÷2 10460690
n÷3 6973793.3333333
n÷3 5230345
n÷5 4184276

Exponentiation

ny
n2 437704141104400
n3 9.1573746636188E+21
n4 1.9158491513994E+29
n5 4.0082208119104E+36

Nth Root

y√n
2√n 4573.9895058909
3√n 275.54769086217
4√n 67.631276092433
5√n 29.115085214624

Divisors of 20921380

1, 2, 4, 5, 10, 20, 1046069, 2092138, 4184276, 5230345, 10460690, 20921380

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921380 can be divided by 12 positive divisors. The sum of these divisors (counting 20921380) is 1, the average is 0.083333333333333.

Base conversion 20921380

Base System Value
2 Binary 1001111110011110000100100
3 Ternary 1110100220201221
4 Quaternary 1033303300210
5 Quinary 20323441010
6 Senary 2024230124
8 Octal 117636044
10 Decimal 20921380
12 Duodecimal 700b344
16 Hexadecimal 13f3c24
20 Vigesimal 6af390
36 Base36 cgf1g

Cryptographic Hash Functions

md5 1e37670f55a62853348c65834c08fdec
sha1 ec381d2c9d7f3f17103b92c55c5c467f038d3a1b
sha256 03927c8c1b4ffbf1c7c9e623c4cf8ca95420b940b9d75c22fd0a4a3b9d9758c2
sha512 75206d9bd59152079a3bf9e97356a4c9ad8935c0fb298f22ef32ef24f273406a0fe41ec8d842e6c8f088cf2ccd59e37e476fdaa8cba97d3455c02b07b23ef52f
ripemd-160 8d738835dd8382b429208bab62501d21ae495bc1

20921380 as geometric shapes

Circle

Radius = n
Diameter 41842760
Circumference 131452907.42192
Area 1.3750881141394E+15

Sphere

Radius = n
Volume 3.8358321292525E+22
Surface area 5.5003524565577E+15
Circumference 131452907.42192

Square

Length = n
Perimeter 83685520
Area 437704141104400
Diagonal 29587299.339561

Cube

Length = n
Surface area 2626224846626400
Volume 9.1573746636188E+21
Space diagonal 36236893.124455

Equilateral Triangle

Length = n
Perimeter 62764140
Area 1.8953145276903E+14
Altitude 18118446.562228

Triangular Pyramid

Length = n
Surface area 1.8953145276903E+14
Volume 1.0792069537518E+21
Height 9862433.1131871