20921375 (number)

20921375 is an odd 8-digits composite number following 20921374 and preceding 20921376. In scientific notation, it is written as 2.0921375 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 15127200 positive integers (up to 20921375) that are relatively prime to 20921375.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred seventy-five

Notation

Scientific notation 2.0921375 × 10^7
Engineering notation 2.0921375 × 10^6

Prime Factorization of 20921375

Prime Factorization 2185 × 5 × 5 × 383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4184275
Product of the distinct prime numbers

The prime factorization of 20921375 is 2185 × 5 × 5 × 383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 14, 68, 391, 402, 4226, 5618, 36767, 39884, 702388, 694808, 5011359, 9275007, 82311415, 53958043, 90446788, 154640677, 3936887728, 5997969111

Basic calculations (n = 20921375)

Multiplication

n×y
n×2 41842750
n×3 62764125
n×4 83685500
n×5 104606875

Division

n÷y
n÷2 10460687.5
n÷3 6973791.6666667
n÷3 5230343.75
n÷5 4184275

Exponentiation

ny
n2 437703931890625
n3 9.1573680980582E+21
n4 1.9158473199251E+29
n5 4.0082160222899E+36

Nth Root

y√n
2√n 4573.988959322
3√n 275.54766891113
4√n 67.631272051633
5√n 29.115083822981

Divisors of 20921375

1, 5, 25, 383, 1915, 2185, 9575, 10925, 54625, 836855, 4184275, 20921375

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 -20921374
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 20921375 can be divided by 12 positive divisors. The sum of these divisors (counting 20921375) is 1, the average is 0.083333333333333.

Base conversion 20921375

Base System Value
2 Binary 1001111110011110000011111
3 Ternary 1110100220201202
4 Quaternary 1033303300133
5 Quinary 20323441000
6 Senary 2024230115
8 Octal 117636037
10 Decimal 20921375
12 Duodecimal 700b33b
16 Hexadecimal 13f3c1f
20 Vigesimal 6af38f
36 Base36 cgf1b

Cryptographic Hash Functions

md5 32deb19cacfdf09b5cd9aee4d447895a
sha1 a44e553b39b403b95a8b98907660798d7c58cbc1
sha256 da326eb2e21a839252c73333de0bf536a15c0f019644517fa1e70eadcf09c16f
sha512 66087e666fee24ee08f76956d2e992f7e1813f80cce0991a22badffb6ee3b5e2a28dba798ece128a7e1ffb2d13255fa610ac21daf5b7d96d44c714f367ede698
ripemd-160 d774e8d29c603e84034762a063eff7b4105e51d4

20921375 as geometric shapes

Circle

Radius = n
Diameter 41842750
Circumference 131452876.00599
Area 1.375087456875E+15

Sphere

Radius = n
Volume 3.835829379077E+22
Surface area 5.5003498274998E+15
Circumference 131452876.00599

Square

Length = n
Perimeter 83685500
Area 437703931890625
Diagonal 29587292.268493

Cube

Length = n
Surface area 2626223591343750
Volume 9.1573680980582E+21
Space diagonal 36236884.464201

Equilateral Triangle

Length = n
Perimeter 62764125
Area 1.8953136217681E+14
Altitude 18118442.232101

Triangular Pyramid

Length = n
Surface area 1.8953136217681E+14
Volume 1.0792061799931E+21
Height 9862430.7561645