20921488 (number)

20921488 is an even 8-digits composite number following 20921487 and preceding 20921489. In scientific notation, it is written as 2.0921488 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 8966304 positive integers (up to 20921488) that are relatively prime to 20921488.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921488 × 10^7
Engineering notation 2.0921488 × 10^6

Prime Factorization of 20921488

Prime Factorization 2 × 2 × 2 × 2 × 7 × 186799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2615186
Product of the distinct prime numbers

The prime factorization of 20921488 is 2 × 2 × 2 × 2 × 7 × 186799. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 62, 51, 791, 461, 7772, 3236, 69519, 53865, 73615, 630482, 3272301, 730196, 80177926, 97901180, 967705795, 82859588, 3030208661, 4444094716

Basic calculations (n = 20921488)

Multiplication

n×y
n×2 41842976
n×3 62764464
n×4 83685952
n×5 104607440

Division

n÷y
n÷2 10460744
n÷3 6973829.3333333
n÷3 5230372
n÷5 4184297.6

Exponentiation

ny
n2 437708660134144
n3 9.1575164804926E+21
n4 1.9158887115643E+29
n5 4.0083242688327E+36

Nth Root

y√n
2√n 4574.0013117619
3√n 275.54816500393
4√n 67.631363373526
5√n 29.115115274043

Divisors of 20921488

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186799, 373598, 747196, 1307593, 1494392, 2615186, 2988784, 5230372, 10460744, 20921488

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921488 can be divided by 20 positive divisors. The sum of these divisors (counting 20921488) is 1, the average is 0.05.

Base conversion 20921488

Base System Value
2 Binary 1001111110011110010010000
3 Ternary 1110100220212221
4 Quaternary 1033303302100
5 Quinary 20323441423
6 Senary 2024230424
8 Octal 117636220
10 Decimal 20921488
12 Duodecimal 700b414
16 Hexadecimal 13f3c90
20 Vigesimal 6af3e8
36 Base36 cgf4g

Cryptographic Hash Functions

md5 6c61cfa2bb50c8532e89466b66cb4bcf
sha1 63a89ce80e3076123ec177a8863ccd320bed6b4d
sha256 18c2cffe985b46f7c47394e4695dab39e23f34d295a8820af2320fdc683e99e0
sha512 9de287b83a46110ce829a720734ce0e847665e9ff48260778daf84b06aa76ba044f2bca4182c75e029a4ca103a47f74eb762dfb28e06e788955e7cada1479053
ripemd-160 dd1873b780deecc51fb30d22414f8ffa1e2a329c

20921488 as geometric shapes

Circle

Radius = n
Diameter 41842976
Circumference 131453586.00593
Area 1.3751023110901E+15

Sphere

Radius = n
Volume 3.8358915333657E+22
Surface area 5.5004092443602E+15
Circumference 131453586.00593

Square

Length = n
Perimeter 83685952
Area 437708660134144
Diagonal 29587452.074626

Cube

Length = n
Surface area 2626251960804864
Volume 9.1575164804926E+21
Space diagonal 36237080.185943

Equilateral Triangle

Length = n
Perimeter 62764464
Area 1.8953340956631E+14
Altitude 18118540.092971

Triangular Pyramid

Length = n
Surface area 1.8953340956631E+14
Volume 1.0792236670306E+21
Height 9862484.0248753