20121239 (number)

20121239 is an odd 8-digits composite number following 20121238 and preceding 20121240. In scientific notation, it is written as 2.0121239 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19820856 positive integers (up to 20121239) that are relatively prime to 20121239.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand two hundred thirty-nine

Notation

Scientific notation 2.0121239 × 10^7
Engineering notation 2.0121239 × 10^6

Prime Factorization of 20121239

Prime Factorization 67 × 300317

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20121239
Product of the distinct prime numbers

The prime factorization of 20121239 is 67 × 300317. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121239)

Multiplication

n×y
n×2 40242478
n×3 60363717
n×4 80484956
n×5 100606195

Division

n÷y
n÷2 10060619.5
n÷3 6707079.6666667
n÷3 5030309.75
n÷5 4024247.8

Exponentiation

ny
n2 404864258895121
n3 8.1463705157866E+21
n4 1.639150681307E+29
n5 3.298174261559E+36

Nth Root

y√n
2√n 4485.6704069737
3√n 271.98914586878
4√n 66.975147681612
5√n 28.888895899762

Divisors of 20121239

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121238
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121239 can be divided by 4 positive divisors. The sum of these divisors (counting 20121239) is 1, the average is 0.25.

Base conversion 20121239

Base System Value
2 Binary 1001100110000011010010111
3 Ternary 1101212021011002
4 Quaternary 1030300122113
5 Quinary 20122334424
6 Senary 1555133515
8 Octal 114603227
10 Decimal 20121239
12 Duodecimal 68a429b
16 Hexadecimal 1330697
20 Vigesimal 65f31j
36 Base36 bz9nb

Cryptographic Hash Functions

md5 0667c8d837612402cbd2f8adad81857e
sha1 7e058c808dd65388dc8013ea5cd9e0940c5a69e9
sha256 4561a1cbc41ef4771a3971ab6c7ae03af953b20c65fe3ac8de3b4ffab4e0ce03
sha512 b93b6e54d3fc09c41498b15bca0ae2e2e876f1a039f4977e8a933a3f1097a90e201860ded30f17135353bc278b37ed815ef0dea2d777be5a58b7a296d4c0dc90
ripemd-160 7c6505c1fecbd669b0d52c91422e9e84550c993a

20121239 as geometric shapes

Circle

Radius = n
Diameter 40242478
Circumference 126425473.24705
Area 1.271918581446E+15

Sphere

Radius = n
Volume 3.4123437021088E+22
Surface area 5.087674325784E+15
Circumference 126425473.24705

Square

Length = n
Perimeter 80484956
Area 404864258895121
Diagonal 28455729.08555

Cube

Length = n
Surface area 2429185553370726
Volume 8.1463705157866E+21
Space diagonal 34851008.259236

Equilateral Triangle

Length = n
Perimeter 60363717
Area 1.7531136664377E+14
Altitude 17425504.129618

Triangular Pyramid

Length = n
Surface area 1.7531136664377E+14
Volume 9.6005897229514E+20
Height 9485243.0285168