20921948 (number)

20921948 is an even 8-digits composite number following 20921947 and preceding 20921949. In scientific notation, it is written as 2.0921948 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10357200 positive integers (up to 20921948) that are relatively prime to 20921948.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921948 × 10^7
Engineering notation 2.0921948 × 10^6

Prime Factorization of 20921948

Prime Factorization 2 × 2 × 101 × 51787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460974
Product of the distinct prime numbers

The prime factorization of 20921948 is 2 × 2 × 101 × 51787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 99, 16, 659, 444, 1212, 8232, 96375, 34808, 573162, 318915, 2088075, 9401311, 85722973, 31221041, 313715306, 403531806, 4564745543, 198809310

Basic calculations (n = 20921948)

Multiplication

n×y
n×2 41843896
n×3 62765844
n×4 83687792
n×5 104609740

Division

n÷y
n÷2 10460974
n÷3 6973982.6666667
n÷3 5230487
n÷5 4184389.6

Exponentiation

ny
n2 437727908114704
n3 9.1581205317246E+21
n4 1.9160572154247E+29
n5 4.0087649426141E+36

Nth Root

y√n
2√n 4574.0515956863
3√n 275.5501844783
4√n 67.631735122546
5√n 29.115243303515

Divisors of 20921948

1, 2, 4, 101, 202, 404, 51787, 103574, 207148, 5230487, 10460974, 20921948

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921947
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921948 can be divided by 12 positive divisors. The sum of these divisors (counting 20921948) is 1, the average is 0.083333333333333.

Base conversion 20921948

Base System Value
2 Binary 1001111110011111001011100
3 Ternary 1110100221111222
4 Quaternary 1033303321130
5 Quinary 20324000243
6 Senary 2024232512
8 Octal 117637134
10 Decimal 20921948
12 Duodecimal 700b738
16 Hexadecimal 13f3e5c
20 Vigesimal 6af4h8
36 Base36 cgfh8

Cryptographic Hash Functions

md5 852137f5ae70b61eb2b1ec7b577db357
sha1 f131c4376e18e8aa52baddbde2c4bb8f3c2524d6
sha256 11804d4a36570e61375d72ca4db646b7c3956b03b2aedaff4ae3381f43329f7b
sha512 53001f98d6643c1ca9a61f4ebe213de616154a1aa79abdece2a896864f03fb29dce7499152fc08c656ddd0240c681440b1f2714cb6b65230f630ed0a39323ddd
ripemd-160 997b27eb942511169a7297f0015774a01b4d301f

20921948 as geometric shapes

Circle

Radius = n
Diameter 41843896
Circumference 131456476.27118
Area 1.3751627804044E+15

Sphere

Radius = n
Volume 3.8361445577541E+22
Surface area 5.5006511216175E+15
Circumference 131456476.27118

Square

Length = n
Perimeter 83687792
Area 437727908114704
Diagonal 29588102.612865

Cube

Length = n
Surface area 2626367448688224
Volume 9.1581205317246E+21
Space diagonal 36237876.929314

Equilateral Triangle

Length = n
Perimeter 62765844
Area 1.8954174418638E+14
Altitude 18118938.464657

Triangular Pyramid

Length = n
Surface area 1.8954174418638E+14
Volume 1.079294855151E+21
Height 9862700.8709549