20921824 (number)

20921824 is an even 8-digits composite number following 20921823 and preceding 20921825. In scientific notation, it is written as 2.0921824 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 8144640 positive integers (up to 20921824) that are relatively prime to 20921824.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred twenty-four

Notation

Scientific notation 2.0921824 × 10^7
Engineering notation 2.0921824 × 10^6

Prime Factorization of 20921824

Prime Factorization 2 × 2 × 2 × 2 × 2 × 539 × 1213

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1307614
Product of the distinct prime numbers

The prime factorization of 20921824 is 2 × 2 × 2 × 2 × 2 × 539 × 1213. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 8, 76, 51, 883, 407, 939, 6871, 95535, 93407, 35381, 67332, 4986533, 1072479, 98311210, 33123370, 318538504, 43680677, 696802339, 6119700977

Basic calculations (n = 20921824)

Multiplication

n×y
n×2 41843648
n×3 62765472
n×4 83687296
n×5 104609120

Division

n÷y
n÷2 10460912
n÷3 6973941.3333333
n÷3 5230456
n÷5 4184364.8

Exponentiation

ny
n2 437722719486976
n3 9.1579576979079E+21
n4 1.9160117915507E+29
n5 4.0086461484749E+36

Nth Root

y√n
2√n 4574.0380409437
3√n 275.54964010117
4√n 67.631634912544
5√n 29.115208791444

Divisors of 20921824

1, 2, 4, 8, 16, 32, 539, 1078, 1213, 2156, 2426, 4312, 4852, 8624, 9704, 17248, 19408, 38816, 653807, 1307614, 2615228, 5230456, 10460912, 20921824

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 -20921823
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 20921824 can be divided by 24 positive divisors. The sum of these divisors (counting 20921824) is 1, the average is 0.041666666666667.

Base conversion 20921824

Base System Value
2 Binary 1001111110011110111100000
3 Ternary 1110100221100101
4 Quaternary 1033303313200
5 Quinary 20323444244
6 Senary 2024232144
8 Octal 117636740
10 Decimal 20921824
12 Duodecimal 700b654
16 Hexadecimal 13f3de0
20 Vigesimal 6af4b4
36 Base36 cgfds

Cryptographic Hash Functions

md5 7fd1f908256f444413fac608fa3585f6
sha1 f30d643283869381007bdce10c70c825374d3dd2
sha256 6fb47ba8d824342bf0d25d267b29dd5724668450087f44cd9c3da8aa2aef8826
sha512 9a9825176efdd39c42e0ac095498beae00192b857d32658261856daf0677e8d5e2ce220b5bb2515f7808bbfc530fdb2581f71b723e11c0699bc749a3e9fc648c
ripemd-160 07bd3ef712bea348eaca78fc70144b2e8f41416b

20921824 as geometric shapes

Circle

Radius = n
Diameter 41843648
Circumference 131455697.1562
Area 1.3751464798496E+15

Sphere

Radius = n
Volume 3.8360763500845E+22
Surface area 5.5005859193985E+15
Circumference 131455697.1562

Square

Length = n
Perimeter 83687296
Area 437722719486976
Diagonal 29587927.250383

Cube

Length = n
Surface area 2626336316921856
Volume 9.1579576979079E+21
Space diagonal 36237662.155014

Equilateral Triangle

Length = n
Perimeter 62765472
Area 1.8953949744467E+14
Altitude 18118831.077507

Triangular Pyramid

Length = n
Surface area 1.8953949744467E+14
Volume 1.0792756650017E+21
Height 9862642.4167943