20921750 (number)

20921750 is an even 8-digits composite number following 20921749 and preceding 20921751. In scientific notation, it is written as 2.0921750 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 8205600 positive integers (up to 20921750) that are relatively prime to 20921750.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921750 × 10^7
Engineering notation 2.0921750 × 10^6

Prime Factorization of 20921750

Prime Factorization 2 × 5 × 25 × 53 × 1579

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20921750
Product of the distinct prime numbers

The prime factorization of 20921750 is 2 × 5 × 25 × 53 × 1579. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 3, 66, 668, 18, 7110, 7036, 43900, 11471, 142996, 175117, 6663872, 5563403, 71821155, 44738206, 769848520, 703913680, 7243573231, 9715617822

Basic calculations (n = 20921750)

Multiplication

n×y
n×2 41843500
n×3 62765250
n×4 83687000
n×5 104608750

Division

n÷y
n÷2 10460875
n÷3 6973916.6666667
n÷3 5230437.5
n÷5 4184350

Exponentiation

ny
n2 437719623062500
n3 9.1578605238079E+21
n4 1.9159846841398E+29
n5 4.0085752565401E+36

Nth Root

y√n
2√n 4574.029951804
3√n 275.54931522992
4√n 67.631575109589
5√n 29.115188195453

Divisors of 20921750

1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 1579, 2650, 3158, 6625, 7895, 13250, 15790, 39475, 78950, 83687, 167374, 197375, 394750, 418435, 836870, 2092175, 4184350, 10460875, 20921750

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921749
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921750 can be divided by 32 positive divisors. The sum of these divisors (counting 20921750) is 1, the average is 0.03125.

Base conversion 20921750

Base System Value
2 Binary 1001111110011110110010110
3 Ternary 1110100221020122
4 Quaternary 1033303312112
5 Quinary 20323444000
6 Senary 2024231542
8 Octal 117636626
10 Decimal 20921750
12 Duodecimal 700b5b2
16 Hexadecimal 13f3d96
20 Vigesimal 6af47a
36 Base36 cgfbq

Cryptographic Hash Functions

md5 a7f4aed89dc11b9d5e2591623f48a8d9
sha1 eb2c246a3fe4ac8f53b8437f5326707b81a5a039
sha256 07b4625dcf05689eedee9fcc83d372d1379117ac2f449b36760a90cd211b59f1
sha512 4696f3dc9a8850ab3dda178c08be26a85bedc94c594e7fd81e1f0ee129c098a413fd842e1025e9ad2fa1605dbda4b95e69061e7af417aecde4c8f0abe0c9af08
ripemd-160 ba1c740dc5226624d05ace9917602e5fb1828f9b

20921750 as geometric shapes

Circle

Radius = n
Diameter 41843500
Circumference 131455232.20048
Area 1.3751367521452E+15

Sphere

Radius = n
Volume 3.8360356458926E+22
Surface area 5.500547008581E+15
Circumference 131455232.20048

Square

Length = n
Perimeter 83687000
Area 437719623062500
Diagonal 29587822.598579

Cube

Length = n
Surface area 2626317738375000
Volume 9.1578605238079E+21
Space diagonal 36237533.983254

Equilateral Triangle

Length = n
Perimeter 62765250
Area 1.8953815665354E+14
Altitude 18118766.991627

Triangular Pyramid

Length = n
Surface area 1.8953815665354E+14
Volume 1.0792642129242E+21
Height 9862607.5328598