20249749 (number)

20249749 is an odd 8-digits composite number following 20249748 and preceding 20249750. In scientific notation, it is written as 2.0249749 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 18665712 positive integers (up to 20249749) that are relatively prime to 20249749.

Interesting facts

Basic properties

Name

Name twenty million two hundred forty-nine thousand seven hundred forty-nine

Notation

Scientific notation 2.0249749 × 10^7
Engineering notation 2.0249749 × 10^6

Prime Factorization of 20249749

Prime Factorization 2197 × 13 × 709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20249749
Product of the distinct prime numbers

The prime factorization of 20249749 is 2197 × 13 × 709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20249749)

Multiplication

n×y
n×2 40499498
n×3 60749247
n×4 80998996
n×5 101248745

Division

n÷y
n÷2 10124874.5
n÷3 6749916.3333333
n÷3 5062437.25
n÷5 4049949.8

Exponentiation

ny
n2 410052334563001
n3 8.3034568517648E+21
n4 1.6814291708057E+29
n5 3.4048518670093E+36

Nth Root

y√n
2√n 4499.9721110247
3√n 272.56696275407
4√n 67.081831452523
5√n 28.92570341237

Divisors of 20249749

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 -20249748
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 20249749 can be divided by 8 positive divisors. The sum of these divisors (counting 20249749) is 1, the average is 0.125.

Base conversion 20249749

Base System Value
2 Binary 1001101001111110010010101
3 Ternary 1102002210102201
4 Quaternary 1031033302111
5 Quinary 20140442444
6 Senary 2002004501
8 Octal 115176225
10 Decimal 20249749
12 Duodecimal 6946731
16 Hexadecimal 134fc95
20 Vigesimal 66b479
36 Base36 c20t1

Cryptographic Hash Functions

md5 cdbf07d107c128aea5f8985245f694cb
sha1 d980c7c4ba5cacb42e9b021b507ba8fbb7e6235d
sha256 c56246a4fdd5b118baf6ebb44cf212b5720d692814afb8885bc0dbaf9e5e69a4
sha512 beb930dc04f5a0abc5ba3bf466f11ca797fa0628b83895af48315f37f33ae7ecbe9c809a187b90a69ad86e2cded00f1f90a12f5ea1a4664978a5545f1f122bd1
ripemd-160 e4115f2ce34ed2bf48ab41c94ce5668e56cf0db6

20249749 as geometric shapes

Circle

Radius = n
Diameter 40499498
Circumference 127232925.39087
Area 1.2882174018505E+15

Sphere

Radius = n
Volume 3.4781438726539E+22
Surface area 5.1528696074019E+15
Circumference 127232925.39087

Square

Length = n
Perimeter 80998996
Area 410052334563001
Diagonal 28637469.670451

Cube

Length = n
Surface area 2460314007378006
Volume 8.3034568517648E+21
Space diagonal 35073594.108517

Equilateral Triangle

Length = n
Perimeter 60749247
Area 1.7755786930634E+14
Altitude 17536797.054259

Triangular Pyramid

Length = n
Surface area 1.7755786930634E+14
Volume 9.785717745288E+20
Height 9545823.2234837