20123728 (number)

20123728 is an even 8-digits composite number following 20123727 and preceding 20123729. In scientific notation, it is written as 2.0123728 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors. There are 9963360 positive integers (up to 20123728) that are relatively prime to 20123728.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123728 × 10^7
Engineering notation 2.0123728 × 10^6

Prime Factorization of 20123728

Prime Factorization 2 × 2 × 2 × 2 × 103 × 12211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2515466
Product of the distinct prime numbers

The prime factorization of 20123728 is 2 × 2 × 2 × 2 × 103 × 12211. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 17, 79, 31, 410, 3448, 9483, 10796, 72351, 952079, 116657, 947787, 5564869, 37474145, 85737889, 762200751, 79549940, 8490695019, 6110311942

Basic calculations (n = 20123728)

Multiplication

n×y
n×2 40247456
n×3 60371184
n×4 80494912
n×5 100618640

Division

n÷y
n÷2 10061864
n÷3 6707909.3333333
n÷3 5030932
n÷5 4024745.6

Exponentiation

ny
n2 404964428617984
n3 8.1493940111837E+21
n4 1.6399618844589E+29
n5 3.3002146893218E+36

Nth Root

y√n
2√n 4485.9478374141
3√n 272.00036043782
4√n 66.977218794259
5√n 28.889610576471

Divisors of 20123728

1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12211, 24422, 48844, 97688, 195376, 1257733, 2515466, 5030932, 10061864, 20123728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20123727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20123728 can be divided by 20 positive divisors. The sum of these divisors (counting 20123728) is 1, the average is 0.05.

Base conversion 20123728

Base System Value
2 Binary 1001100110001000001010000
3 Ternary 1101212101120021
4 Quaternary 1030301001100
5 Quinary 20122424403
6 Senary 1555153224
8 Octal 114610120
10 Decimal 20123728
12 Duodecimal 68a5814
16 Hexadecimal 1331050
20 Vigesimal 65f968
36 Base36 bzbkg

Cryptographic Hash Functions

md5 36f41e9cda10a171d087de5f207304b2
sha1 83552f1ad0c015334964017d3e825f239f2f502f
sha256 6fa0a9c52f732b3167424f0d2ab5e6f6902eebad82ec2e2a98bab6fb7aad97d3
sha512 33d6ae5f4108fdc21c944e997fb82b479298549c4c5944ebc82e3fc71b828cdce176726e74184d11bf7d420a8d22e798b99708f53d10067c30aec19c74f069b8
ripemd-160 a6d5905318cbcac069d44790c120e0afc0790852

20123728 as geometric shapes

Circle

Radius = n
Diameter 40247456
Circumference 126441112.09528
Area 1.2722332739114E+15

Sphere

Radius = n
Volume 3.4136101808991E+22
Surface area 5.0889330956458E+15
Circumference 126441112.09528

Square

Length = n
Perimeter 80494912
Area 404964428617984
Diagonal 28459249.063107

Cube

Length = n
Surface area 2429786571707904
Volume 8.1493940111837E+21
Space diagonal 34855319.333696

Equilateral Triangle

Length = n
Perimeter 60371184
Area 1.7535474140611E+14
Altitude 17427659.666848

Triangular Pyramid

Length = n
Surface area 1.7535474140611E+14
Volume 9.6041529464484E+20
Height 9486416.3543691