20921937 (number)

20921937 is an odd 8-digits composite number following 20921936 and preceding 20921938. In scientific notation, it is written as 2.0921937 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13910400 positive integers (up to 20921937) that are relatively prime to 20921937.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921937 × 10^7
Engineering notation 2.0921937 × 10^6

Prime Factorization of 20921937

Prime Factorization 3 × 379 × 18401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921937
Product of the distinct prime numbers

The prime factorization of 20921937 is 3 × 379 × 18401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 92, 45, 965, 937, 1619, 6020, 28919, 81920, 886220, 396005, 9553133, 4631428, 69485521, 68405330, 831691629, 974285669, 4437446632, 8272715777

Basic calculations (n = 20921937)

Multiplication

n×y
n×2 41843874
n×3 62765811
n×4 83687748
n×5 104609685

Division

n÷y
n÷2 10460968.5
n÷3 6973979
n÷3 5230484.25
n÷5 4184387.4

Exponentiation

ny
n2 437727447831969
n3 9.1581060867112E+21
n4 1.9160531858549E+29
n5 4.0087544043105E+36

Nth Root

y√n
2√n 4574.050393251
3√n 275.55013618687
4√n 67.631726232967
5√n 29.115240241967

Divisors of 20921937

1, 3, 379, 1137, 18401, 55203, 6973979, 20921937

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 -20921936
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 20921937 can be divided by 8 positive divisors. The sum of these divisors (counting 20921937) is 1, the average is 0.125.

Base conversion 20921937

Base System Value
2 Binary 1001111110011111001010001
3 Ternary 1110100221111120
4 Quaternary 1033303321101
5 Quinary 20324000222
6 Senary 2024232453
8 Octal 117637121
10 Decimal 20921937
12 Duodecimal 700b729
16 Hexadecimal 13f3e51
20 Vigesimal 6af4gh
36 Base36 cgfgx

Cryptographic Hash Functions

md5 e449ff121b073fae3276b0b75867e0f0
sha1 cf794922a16ddef81542659d7a583b7868612b55
sha256 1a4e14946de1191d924bed9169fb1c4ec77bd2bff740bf7ab080904795c7964d
sha512 d07c61fc7999b0bdcf453218c4d2b0308d25766d235e97cd9bb9c7cd47e000a3bfe455b8bca5a910d186a3f527a2492c8cf8265df511432d039ad67840605e56
ripemd-160 7056e6751cd61e213a4aa9ae77a0166a5dac1260

20921937 as geometric shapes

Circle

Radius = n
Diameter 41843874
Circumference 131456407.15614
Area 1.3751613343835E+15

Sphere

Radius = n
Volume 3.8361385070411E+22
Surface area 5.5006453375341E+15
Circumference 131456407.15614

Square

Length = n
Perimeter 83687748
Area 437727447831969
Diagonal 29588087.056515

Cube

Length = n
Surface area 2626364686991814
Volume 9.1581060867112E+21
Space diagonal 36237857.876755

Equilateral Triangle

Length = n
Perimeter 62765811
Area 1.8954154487811E+14
Altitude 18118928.938378

Triangular Pyramid

Length = n
Surface area 1.8954154487811E+14
Volume 1.0792931527899E+21
Height 9862695.6855052