20521285 (number)

20521285 is an odd 8-digits composite number following 20521284 and preceding 20521286. In scientific notation, it is written as 2.0521285 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16400064 positive integers (up to 20521285) that are relatively prime to 20521285.

Interesting facts

Basic properties

Name

Name twenty million five hundred twenty-one thousand two hundred eighty-five

Notation

Scientific notation 2.0521285 × 10^7
Engineering notation 2.0521285 × 10^6

Prime Factorization of 20521285

Prime Factorization 5 × 1493 × 2749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20521285
Product of the distinct prime numbers

The prime factorization of 20521285 is 5 × 1493 × 2749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20521285)

Multiplication

n×y
n×2 41042570
n×3 61563855
n×4 82085140
n×5 102606425

Division

n÷y
n÷2 10260642.5
n÷3 6840428.3333333
n÷3 5130321.25
n÷5 4104257

Exponentiation

ny
n2 421123138051225
n3 8.6419879360435E+21
n4 1.7734469740211E+29
n5 3.6393410786275E+36

Nth Root

y√n
2√n 4530.0424942819
3√n 273.77987275041
4√n 67.305590364263
5√n 29.002865621169

Divisors of 20521285

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20521284
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20521285 can be divided by 8 positive divisors. The sum of these divisors (counting 20521285) is 1, the average is 0.125.

Base conversion 20521285

Base System Value
2 Binary 1001110010010000101000101
3 Ternary 1102121120220121
4 Quaternary 1032102011011
5 Quinary 20223140120
6 Senary 2011501541
8 Octal 116220505
10 Decimal 20521285
12 Duodecimal 6a578b1
16 Hexadecimal 1392145
20 Vigesimal 685345
36 Base36 c7ubp

Cryptographic Hash Functions

md5 3c89fcde2d4e557ef3e09ce32b47c8af
sha1 01ce89f6a70499ab4412cb5ca1ce4f44e586a0ce
sha256 85b5eac0129919b29cc8c6901263f007ce4cdb1fc586b2b761cb0a637cb09b2f
sha512 c98c0ddcb2e6257d8a7d94bfd6bbac646e85a50fa949db850231e3c1747b2763b07152b5c2f275e3f4700b13696e61517f574efbc254bdfba49f59657a4e98ad
ripemd-160 91487906306c16ef77955142deeb1ed90ae7b128

20521285 as geometric shapes

Circle

Radius = n
Diameter 41042570
Circumference 128939036.39644
Area 1.3229973567584E+15

Sphere

Radius = n
Volume 3.6199474416381E+22
Surface area 5.2919894270336E+15
Circumference 128939036.39644

Square

Length = n
Perimeter 82085140
Area 421123138051225
Diagonal 29021479.564324

Cube

Length = n
Surface area 2526738828307350
Volume 8.6419879360435E+21
Space diagonal 35543908.256601

Equilateral Triangle

Length = n
Perimeter 61563855
Area 1.8235166783689E+14
Altitude 17771954.128301

Triangular Pyramid

Length = n
Surface area 1.8235166783689E+14
Volume 1.0184680454181E+21
Height 9673826.5214412