20122749 (number)

20122749 is an odd 8-digits composite number following 20122748 and preceding 20122750. In scientific notation, it is written as 2.0122749 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13222440 positive integers (up to 20122749) that are relatively prime to 20122749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0122749 × 10^7
Engineering notation 2.0122749 × 10^6

Prime Factorization of 20122749

Prime Factorization 3 × 27 × 71 × 3499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20122749
Product of the distinct prime numbers

The prime factorization of 20122749 is 3 × 27 × 71 × 3499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20122749)

Multiplication

n×y
n×2 40245498
n×3 60368247
n×4 80490996
n×5 100613745

Division

n÷y
n÷2 10061374.5
n÷3 6707583
n÷3 5030687.25
n÷5 4024549.8

Exponentiation

ny
n2 404925027317001
n3 8.1482046885182E+21
n4 1.6396427774767E+29
n5 3.2994120060827E+36

Nth Root

y√n
2√n 4485.8387175644
3√n 271.99594951437
4√n 66.976404185089
5√n 28.88932948065

Divisors of 20122749

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20122748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20122749 can be divided by 16 positive divisors. The sum of these divisors (counting 20122749) is 1, the average is 0.0625.

Base conversion 20122749

Base System Value
2 Binary 1001100110000110001111101
3 Ternary 1101212100020000
4 Quaternary 1030300301331
5 Quinary 20122411444
6 Senary 1555144513
8 Octal 114606175
10 Decimal 20122749
12 Duodecimal 68a5139
16 Hexadecimal 1330c7d
20 Vigesimal 65f6h9
36 Base36 bzat9

Cryptographic Hash Functions

md5 912eb25205f3decf8a6f3394af45d159
sha1 a85ec0092d45d48aadddd26fdc17706a6b5f79a3
sha256 97db4183ca3d31552644d946ef5ec204ca4548975eb542b12e38f643d369b6e3
sha512 47aa312305c3ccfd74fc1b9b83313bebf86fe4584a1ccd9e78efc9864662a7356d8aac96728f19f8168b58a12afc1d450260b74827dec675c7a39854256ef0f0
ripemd-160 626a3e791f6a6739f0bb513da8349d29a63590a6

20122749 as geometric shapes

Circle

Radius = n
Diameter 40245498
Circumference 126434960.85686
Area 1.2721094910737E+15

Sphere

Radius = n
Volume 3.4131119985859E+22
Surface area 5.0884379642949E+15
Circumference 126434960.85686

Square

Length = n
Perimeter 80490996
Area 404925027317001
Diagonal 28457864.54803

Cube

Length = n
Surface area 2429550163902006
Volume 8.1482046885182E+21
Space diagonal 34853623.655956

Equilateral Triangle

Length = n
Perimeter 60368247
Area 1.7533768014232E+14
Altitude 17426811.827978

Triangular Pyramid

Length = n
Surface area 1.7533768014232E+14
Volume 9.6027513162453E+20
Height 9485954.8493432