20921437 (number)

20921437 is an odd 8-digits composite number following 20921436 and preceding 20921438. In scientific notation, it is written as 2.0921437 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20911680 positive integers (up to 20921437) that are relatively prime to 20921437.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred thirty-seven

Notation

Scientific notation 2.0921437 × 10^7
Engineering notation 2.0921437 × 10^6

Prime Factorization of 20921437

Prime Factorization 6577 × 3181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921437
Product of the distinct prime numbers

The prime factorization of 20921437 is 6577 × 3181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921437)

Multiplication

n×y
n×2 41842874
n×3 62764311
n×4 83685748
n×5 104607185

Division

n÷y
n÷2 10460718.5
n÷3 6973812.3333333
n÷3 5230359.25
n÷5 4184287.4

Exponentiation

ny
n2 437706526144969
n3 9.1574495112308E+21
n4 1.915870030299E+29
n5 4.0082754139088E+36

Nth Root

y√n
2√n 4573.9957367711
3√n 275.54794110386
4√n 67.631322157497
5√n 29.115101079333

Divisors of 20921437

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 -20921436
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 20921437 can be divided by 4 positive divisors. The sum of these divisors (counting 20921437) is 1, the average is 0.25.

Base conversion 20921437

Base System Value
2 Binary 1001111110011110001011101
3 Ternary 1110100220211001
4 Quaternary 1033303301131
5 Quinary 20323441222
6 Senary 2024230301
8 Octal 117636135
10 Decimal 20921437
12 Duodecimal 700b391
16 Hexadecimal 13f3c5d
20 Vigesimal 6af3bh
36 Base36 cgf31

Cryptographic Hash Functions

md5 77de72d92e80b16486b9896a15723e75
sha1 d66857d7c7ec52255f8e48882bc99162174fe278
sha256 275f1c50a403e9a38d1844568efdf4fde9043b6bd7e4e5d554cebb70dff2bb16
sha512 d8effcf69324a7205eb4d2b98f6fe2e5cb2d04a6021353b825ebd85d9a270b9bf5b77f1b3bfdf96cd8fe1cdb020f5dfaee545a5d60d5ddd3f48b564051889eb3
ripemd-160 3cb91a315be1b7de671c53ed5e2198637b176dda

20921437 as geometric shapes

Circle

Radius = n
Diameter 41842874
Circumference 131453265.56348
Area 1.3750956069653E+15

Sphere

Radius = n
Volume 3.835863481347E+22
Surface area 5.5003824278614E+15
Circumference 131453265.56348

Square

Length = n
Perimeter 83685748
Area 437706526144969
Diagonal 29587379.949734

Cube

Length = n
Surface area 2626239156869814
Volume 9.1574495112308E+21
Space diagonal 36236991.851351

Equilateral Triangle

Length = n
Perimeter 62764311
Area 1.8953248552189E+14
Altitude 18118495.925676

Triangular Pyramid

Length = n
Surface area 1.8953248552189E+14
Volume 1.0792157746275E+21
Height 9862459.9832448