20921442 (number)

20921442 is an even 8-digits composite number following 20921441 and preceding 20921443. In scientific notation, it is written as 2.0921442 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 6973812 positive integers (up to 20921442) that are relatively prime to 20921442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921442 × 10^7
Engineering notation 2.0921442 × 10^6

Prime Factorization of 20921442

Prime Factorization 2 × 3 × 3486907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921442
Product of the distinct prime numbers

The prime factorization of 20921442 is 2 × 3 × 3486907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921442)

Multiplication

n×y
n×2 41842884
n×3 62764326
n×4 83685768
n×5 104607210

Division

n÷y
n÷2 10460721
n÷3 6973814
n÷3 5230360.5
n÷5 4184288.4

Exponentiation

ny
n2 437706735359364
n3 9.1574560768303E+21
n4 1.9158718617895E+29
n5 4.0082802035862E+36

Nth Root

y√n
2√n 4573.9962833391
3√n 275.54796305486
4√n 67.631326198287
5√n 29.115102470972

Divisors of 20921442

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 -20921441
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 20921442 can be divided by 8 positive divisors. The sum of these divisors (counting 20921442) is 1, the average is 0.125.

Base conversion 20921442

Base System Value
2 Binary 1001111110011110001100010
3 Ternary 1110100220211020
4 Quaternary 1033303301202
5 Quinary 20323441232
6 Senary 2024230310
8 Octal 117636142
10 Decimal 20921442
12 Duodecimal 700b396
16 Hexadecimal 13f3c62
20 Vigesimal 6af3c2
36 Base36 cgf36

Cryptographic Hash Functions

md5 193cfdcb48ce1cc3ff04c3f300d8e73e
sha1 62f1a808eafeaa610600cc12d1761180ad3618e6
sha256 3348b4bede81f49918165a3cbcc427ccff15efc05eea9491008bb3a7c969e367
sha512 e1d060290d5d2d2a7b27dca1fb597c1b59bcfa66636056318715b741f952ab0f7490e20c3695887eba5376a9a066d70e937caa7ad08839650ffd1db14a848cb6
ripemd-160 0186efe4f617eab21e94a493c2702c50e4e88888

20921442 as geometric shapes

Circle

Radius = n
Diameter 41842884
Circumference 131453296.97941
Area 1.3750962642317E+15

Sphere

Radius = n
Volume 3.8358662315388E+22
Surface area 5.500385056927E+15
Circumference 131453296.97941

Square

Length = n
Perimeter 83685768
Area 437706735359364
Diagonal 29587387.020802

Cube

Length = n
Surface area 2626240412156184
Volume 9.1574560768303E+21
Space diagonal 36237000.511605

Equilateral Triangle

Length = n
Perimeter 62764326
Area 1.8953257611438E+14
Altitude 18118500.255803

Triangular Pyramid

Length = n
Surface area 1.8953257611438E+14
Volume 1.0792165483908E+21
Height 9862462.3402674