20451249 (number)

20451249 is an odd 8-digits composite number following 20451248 and preceding 20451250. In scientific notation, it is written as 2.0451249 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 10787040 positive integers (up to 20451249) that are relatively prime to 20451249.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand two hundred forty-nine

Notation

Scientific notation 2.0451249 × 10^7
Engineering notation 2.0451249 × 10^6

Prime Factorization of 20451249

Prime Factorization 91 × 3 × 3 × 24971

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6817083
Product of the distinct prime numbers

The prime factorization of 20451249 is 91 × 3 × 3 × 24971. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 27, 30, 477, 32, 3278, 4094, 21323, 31781, 105863, 116063, 2837882, 878075, 28509449, 52348612, 799142215, 454710621, 2785978831, 2439446543

Basic calculations (n = 20451249)

Multiplication

n×y
n×2 40902498
n×3 61353747
n×4 81804996
n×5 102256245

Division

n÷y
n÷2 10225624.5
n÷3 6817083
n÷3 5112812.25
n÷5 4090249.8

Exponentiation

ny
n2 418253585660001
n3 8.5538082254755E+21
n4 1.7493606191745E+29
n5 3.5776609613531E+36

Nth Root

y√n
2√n 4522.3057172199
3√n 273.4680615136
4√n 67.248090807248
5√n 28.983042073871

Divisors of 20451249

1, 3, 9, 91, 273, 819, 24971, 74913, 224739, 2272361, 6817083, 20451249

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 -20451248
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 20451249 can be divided by 12 positive divisors. The sum of these divisors (counting 20451249) is 1, the average is 0.083333333333333.

Base conversion 20451249

Base System Value
2 Binary 1001110000000111110110001
3 Ternary 1102111000211200
4 Quaternary 1032000332301
5 Quinary 20213414444
6 Senary 2010201413
8 Octal 116007661
10 Decimal 20451249
12 Duodecimal 6a23269
16 Hexadecimal 1380fb1
20 Vigesimal 67g829
36 Base36 c6ca9

Cryptographic Hash Functions

md5 a3b29f80150e478b2aae886564e2f45f
sha1 3d956d7a04c379c70401657fc52ecb45961c178e
sha256 37e2efd693e39abfbd182c3b183e5570ad61aca86ff50afe536abf3911bb06a3
sha512 db81f0ff7a9c864d452945048ce458a932271c0377d8455cba945a35e0c9280930236ef82fc1b12853e731cc7da702ec0f61a7e2f2c40608f48e03be8062da64
ripemd-160 2e277d8af8e39ef4ff1f14ab69766f87e3fae5cd

20451249 as geometric shapes

Circle

Radius = n
Diameter 40902498
Circumference 128498987.23027
Area 1.313982392047E+15

Sphere

Radius = n
Volume 3.5830108108493E+22
Surface area 5.2559295681882E+15
Circumference 128498987.23027

Square

Length = n
Perimeter 81804996
Area 418253585660001
Diagonal 28922433.703269

Cube

Length = n
Surface area 2509521513960006
Volume 8.5538082254755E+21
Space diagonal 35422602.346242

Equilateral Triangle

Length = n
Perimeter 61353747
Area 1.8110911520275E+14
Altitude 17711301.173121

Triangular Pyramid

Length = n
Surface area 1.8110911520275E+14
Volume 1.0080759668672E+21
Height 9640811.2344231