21495020 (number)

21495020 is an even 8-digits composite number following 21495019 and preceding 21495021. In scientific notation, it is written as 2.1495020 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 8598000 positive integers (up to 21495020) that are relatively prime to 21495020.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand twenty

Notation

Scientific notation 2.1495020 × 10^7
Engineering notation 2.1495020 × 10^6

Prime Factorization of 21495020

Prime Factorization 2 × 2 × 5 × 1074751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10747510
Product of the distinct prime numbers

The prime factorization of 21495020 is 2 × 2 × 5 × 1074751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 31, 68, 606, 283, 385, 5708, 21964, 13000, 719192, 346572, 4845613, 2656766, 9566242, 81101867, 390040902, 96652237, 8071549328, 4985471593

Basic calculations (n = 21495020)

Multiplication

n×y
n×2 42990040
n×3 64485060
n×4 85980080
n×5 107475100

Division

n÷y
n÷2 10747510
n÷3 7165006.6666667
n÷3 5373755
n÷5 4299004

Exponentiation

ny
n2 462035884800400
n3 9.9314705845023E+21
n4 2.1347715884329E+29
n5 4.5886957988797E+36

Nth Root

y√n
2√n 4636.2722094372
3√n 278.0434174722
4√n 68.090177040725
5√n 29.273022780239

Divisors of 21495020

1, 2, 4, 5, 10, 20, 1074751, 2149502, 4299004, 5373755, 10747510, 21495020

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 -21495019
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 21495020 can be divided by 12 positive divisors. The sum of these divisors (counting 21495020) is 1, the average is 0.083333333333333.

Base conversion 21495020

Base System Value
2 Binary 1010001111111110011101100
3 Ternary 1111110001121212
4 Quaternary 1101333303230
5 Quinary 21000320040
6 Senary 2044413552
8 Octal 121776354
10 Decimal 21495020
12 Duodecimal 72472b8
16 Hexadecimal 147fcec
20 Vigesimal 6e6hb0
36 Base36 cspnw

Cryptographic Hash Functions

md5 a88acd7ba36956bc56d7514b74177b8f
sha1 b6367ad26f1eaf9afcd060d2dbf5ef4349d152a7
sha256 537fc70366f8d1c844c0b199041d1cdd42450cec259517897d51c1907126ca5a
sha512 3c69001030627adac56204e369478e8f99f84c5258d89ac4f5761166188529ca4b1f07251dfa2fde465c020eb16e86bfa7bde26cc99bd40bc7a6e664fbc91035
ripemd-160 b0ed5091a9aca74f56e3a78686fe1aa2b3e9aedd

21495020 as geometric shapes

Circle

Radius = n
Diameter 42990040
Circumference 135057193.84153
Area 1.4515285413838E+15

Sphere

Radius = n
Volume 4.1600846703487E+22
Surface area 5.8061141655352E+15
Circumference 135057193.84153

Square

Length = n
Perimeter 85980080
Area 462035884800400
Diagonal 30398548.807481

Cube

Length = n
Surface area 2772215308802400
Volume 9.9314705845023E+21
Space diagonal 37230466.749709

Equilateral Triangle

Length = n
Perimeter 64485060
Area 2.0006740684858E+14
Altitude 18615233.374855

Triangular Pyramid

Length = n
Surface area 2.0006740684858E+14
Volume 1.1704350329094E+21
Height 10132849.602494