20121748 (number)

20121748 is an even 8-digits composite number following 20121747 and preceding 20121749. In scientific notation, it is written as 2.0121748 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 18 positive divisors. There are 9940944 positive integers (up to 20121748) that are relatively prime to 20121748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121748 × 10^7
Engineering notation 2.0121748 × 10^6

Prime Factorization of 20121748

Prime Factorization 2 × 2 × 179 × 157 × 179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 56206
Product of the distinct prime numbers

The prime factorization of 20121748 is 2 × 2 × 179 × 157 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 41, 24, 451, 667, 5963, 7574, 77444, 29293, 634895, 615993, 5276175, 7759839, 67129138, 51491847, 130351682, 842120472, 5900989010, 2154215270

Basic calculations (n = 20121748)

Multiplication

n×y
n×2 40243496
n×3 60365244
n×4 80486992
n×5 100608740

Division

n÷y
n÷2 10060874
n÷3 6707249.3333333
n÷3 5030437
n÷5 4024349.6

Exponentiation

ny
n2 404884742575504
n3 8.1469887591492E+21
n4 1.6393165477043E+29
n5 3.2985914465136E+36

Nth Root

y√n
2√n 4485.7271428387
3√n 271.99143932111
4√n 66.975571239361
5√n 28.889042056758

Divisors of 20121748

1, 2, 4, 157, 179, 314, 358, 628, 716, 28103, 32041, 56206, 64082, 112412, 128164, 5030437, 10060874, 20121748

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121748 can be divided by 18 positive divisors. The sum of these divisors (counting 20121748) is 1, the average is 0.055555555555556.

Base conversion 20121748

Base System Value
2 Binary 1001100110000100010010100
3 Ternary 1101212021211221
4 Quaternary 1030300202110
5 Quinary 20122343443
6 Senary 1555140124
8 Octal 114604224
10 Decimal 20121748
12 Duodecimal 68a4644
16 Hexadecimal 1330894
20 Vigesimal 65f478
36 Base36 bza1g

Cryptographic Hash Functions

md5 419380ee53ddbdd2b999c9d847a9a3cd
sha1 8e27d2e2371ace96bb1bab043ab03ba4ca6d9507
sha256 e9d9b1a0b171d079be98ebf2ec79938422a886959eeeb0488ceea2261e88e259
sha512 31235192b46819b353380abc4d8936a8b3c6bcc1c52bf3639cfad54211670cd66cf5a925c1723cf812b27832e1a1c6825b32149e16ea8d3087517e0866cd5e7c
ripemd-160 5f8ef47c7152473f5db41ba6a34b92b2a57b8bcb

20121748 as geometric shapes

Circle

Radius = n
Diameter 40243496
Circumference 126428671.38837
Area 1.2719829328258E+15

Sphere

Radius = n
Volume 3.4126026712829E+22
Surface area 5.0879317313032E+15
Circumference 126428671.38837

Square

Length = n
Perimeter 80486992
Area 404884742575504
Diagonal 28456448.920254

Cube

Length = n
Surface area 2429308455453024
Volume 8.1469887591492E+21
Space diagonal 34851889.873097

Equilateral Triangle

Length = n
Perimeter 60365244
Area 1.7532023633755E+14
Altitude 17425944.936549

Triangular Pyramid

Length = n
Surface area 1.7532023633755E+14
Volume 9.6013183297416E+20
Height 9485482.9734179