20120749 (number)

20120749 is an odd 8-digits composite number following 20120748 and preceding 20120750. In scientific notation, it is written as 2.0120749 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18202800 positive integers (up to 20120749) that are relatively prime to 20120749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120749 × 10^7
Engineering notation 2.0120749 × 10^6

Prime Factorization of 20120749

Prime Factorization 11 × 211 × 8669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20120749
Product of the distinct prime numbers

The prime factorization of 20120749 is 11 × 211 × 8669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120749)

Multiplication

n×y
n×2 40241498
n×3 60362247
n×4 80482996
n×5 100603745

Division

n÷y
n÷2 10060374.5
n÷3 6706916.3333333
n÷3 5030187.25
n÷5 4024149.8

Exponentiation

ny
n2 404844540321001
n3 8.1457753798192E+21
n4 1.6389910182772E+29
n5 3.297772689201E+36

Nth Root

y√n
2√n 4485.6157882726
3√n 271.9869379901
4√n 66.974739926875
5√n 28.888755195734

Divisors of 20120749

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 -20120748
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 20120749 can be divided by 8 positive divisors. The sum of these divisors (counting 20120749) is 1, the average is 0.125.

Base conversion 20120749

Base System Value
2 Binary 1001100110000010010101101
3 Ternary 1101212020110221
4 Quaternary 1030300102231
5 Quinary 20122330444
6 Senary 1555131341
8 Octal 114602255
10 Decimal 20120749
12 Duodecimal 68a3b51
16 Hexadecimal 13304ad
20 Vigesimal 65f1h9
36 Base36 bz99p

Cryptographic Hash Functions

md5 ac26d0d000e3446a05150cca2c8138b7
sha1 bc4a17a1da2804480468ca424954471c5b5ae002
sha256 f5be8e6cb15c6e4e827342a3a8836fa8fae35bc2aa6c2a30d07b204ad2445de2
sha512 c40232deabc6cfc75090e7996a83af031222944ca8ec657e71234af102826572aa51d3ded41e42199c29f758fca1a787a6cfe2d2ce1ae37f90b98eb2a574cd1c
ripemd-160 d26d2d304ddb079363bea5ae9fef574c732f4b55

20120749 as geometric shapes

Circle

Radius = n
Diameter 40241498
Circumference 126422394.48625
Area 1.2718566337184E+15

Sphere

Radius = n
Volume 3.4120944121377E+22
Surface area 5.0874265348736E+15
Circumference 126422394.48625

Square

Length = n
Perimeter 80482996
Area 404844540321001
Diagonal 28455036.120905

Cube

Length = n
Surface area 2429067241926006
Volume 8.1457753798192E+21
Space diagonal 34850159.554341

Equilateral Triangle

Length = n
Perimeter 60362247
Area 1.7530282825071E+14
Altitude 17425079.77717

Triangular Pyramid

Length = n
Surface area 1.7530282825071E+14
Volume 9.5998883484877E+20
Height 9485012.0403016