20921142 (number)

20921142 is an even 8-digits composite number following 20921141 and preceding 20921143. In scientific notation, it is written as 2.0921142 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6339520 positive integers (up to 20921142) that are relatively prime to 20921142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921142 × 10^7
Engineering notation 2.0921142 × 10^6

Prime Factorization of 20921142

Prime Factorization 2 × 3 × 11 × 11 × 28817

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1901922
Product of the distinct prime numbers

The prime factorization of 20921142 is 2 × 3 × 11 × 11 × 28817. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 68, 80, 918, 617, 519, 3675, 68062, 15658, 378147, 124455, 2818607, 4305641, 17645469, 62118407, 569780715, 729842883, 348393449, 5276073394

Basic calculations (n = 20921142)

Multiplication

n×y
n×2 41842284
n×3 62763426
n×4 83684568
n×5 104605710

Division

n÷y
n÷2 10460571
n÷3 6973714
n÷3 5230285.5
n÷5 4184228.4

Exponentiation

ny
n2 437694182584164
n3 9.1570621464172E+21
n4 1.9157619746802E+29
n5 4.0079928310485E+36

Nth Root

y√n
2√n 4573.9634891416
3√n 275.54664598847
4√n 67.631083749572
5√n 29.115018972131

Divisors of 20921142

1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28817, 57634, 86451, 172902, 316987, 633974, 950961, 1901922, 3486857, 6973714, 10460571, 20921142

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921142 can be divided by 24 positive divisors. The sum of these divisors (counting 20921142) is 1, the average is 0.041666666666667.

Base conversion 20921142

Base System Value
2 Binary 1001111110011101100110110
3 Ternary 1110100220102010
4 Quaternary 1033303230312
5 Quinary 20323434032
6 Senary 2024225050
8 Octal 117635466
10 Decimal 20921142
12 Duodecimal 700b186
16 Hexadecimal 13f3b36
20 Vigesimal 6af2h2
36 Base36 cgeuu

Cryptographic Hash Functions

md5 1e3a06fa894c2def2ef221334003bb13
sha1 cd3eaf1a945a8dcc1aa2df63d028609a9f192122
sha256 8b717aeac9d15f3ed6876dbeb44e691364ca1164a07dc841245538067a6d2c12
sha512 bd5caae6e2a7563b77660cb79864a49b85bfc484770b6978b67459881874b6d33f01c9cb7413bf1ad12c53592405d517e544ce12da4628999661ed90eba6f1d8
ripemd-160 7d5b231431ad942715f034fd51eef6da1a5b8a5c

20921142 as geometric shapes

Circle

Radius = n
Diameter 41842284
Circumference 131451412.02382
Area 1.3750568285254E+15

Sphere

Radius = n
Volume 3.8357012223533E+22
Surface area 5.5002273141016E+15
Circumference 131451412.02382

Square

Length = n
Perimeter 83684568
Area 437694182584164
Diagonal 29586962.756733

Cube

Length = n
Surface area 2626165095504984
Volume 9.1570621464172E+21
Space diagonal 36236480.896363

Equilateral Triangle

Length = n
Perimeter 62763426
Area 1.8952714060328E+14
Altitude 18118240.448182

Triangular Pyramid

Length = n
Surface area 1.8952714060328E+14
Volume 1.0791701232464E+21
Height 9862320.9189111