20921143 (number)

20921143 is an odd 8-digits composite number following 20921142 and preceding 20921144. In scientific notation, it is written as 2.0921143 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20634480 positive integers (up to 20921143) that are relatively prime to 20921143.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921143 × 10^7
Engineering notation 2.0921143 × 10^6

Prime Factorization of 20921143

Prime Factorization 73 × 286591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921143
Product of the distinct prime numbers

The prime factorization of 20921143 is 73 × 286591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921143)

Multiplication

n×y
n×2 41842286
n×3 62763429
n×4 83684572
n×5 104605715

Division

n÷y
n÷2 10460571.5
n÷3 6973714.3333333
n÷3 5230285.75
n÷5 4184228.6

Exponentiation

ny
n2 437694224426449
n3 9.1570634594998E+21
n4 1.9157623409627E+29
n5 4.0079937889296E+36

Nth Root

y√n
2√n 4573.9635984559
3√n 275.54665037872
4√n 67.631084557738
5√n 29.115019250462

Divisors of 20921143

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 -20921142
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 20921143 can be divided by 4 positive divisors. The sum of these divisors (counting 20921143) is 1, the average is 0.25.

Base conversion 20921143

Base System Value
2 Binary 1001111110011101100110111
3 Ternary 1110100220102011
4 Quaternary 1033303230313
5 Quinary 20323434033
6 Senary 2024225051
8 Octal 117635467
10 Decimal 20921143
12 Duodecimal 700b187
16 Hexadecimal 13f3b37
20 Vigesimal 6af2h3
36 Base36 cgeuv

Cryptographic Hash Functions

md5 ec1715a1cb9d3e15ccdf24c467d6a40c
sha1 93bb64256416fe1692bc0d2ebd2a54f63e576d0e
sha256 69ff46aa956a7d917e6bee0e974ceaece280fa429dd4b48a5d98ce0fef610b19
sha512 5b992d6709c67d3520003a8396851bd2631ef873d1499ac108781c25ecde0e7583af3048c3f847e92e0ee54d0a2f0da0715d91d78a33e734039854184115e1d9
ripemd-160 7c645dc45e4738574ab4f5a985f834d8d14a6673

20921143 as geometric shapes

Circle

Radius = n
Diameter 41842286
Circumference 131451418.307
Area 1.3750569599768E+15

Sphere

Radius = n
Volume 3.835701772376E+22
Surface area 5.5002278399073E+15
Circumference 131451418.307

Square

Length = n
Perimeter 83684572
Area 437694224426449
Diagonal 29586964.170947

Cube

Length = n
Surface area 2626165346558694
Volume 9.1570634594998E+21
Space diagonal 36236482.628414

Equilateral Triangle

Length = n
Perimeter 62763429
Area 1.8952715872152E+14
Altitude 18118241.314207

Triangular Pyramid

Length = n
Surface area 1.8952715872152E+14
Volume 1.0791702779946E+21
Height 9862321.3903156