20129138 (number)

20129138 is an even 8-digits composite number following 20129137 and preceding 20129139. In scientific notation, it is written as 2.0129138 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 10064568 positive integers (up to 20129138) that are relatively prime to 20129138.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0129138 × 10^7
Engineering notation 2.0129138 × 10^6

Prime Factorization of 20129138

Prime Factorization 2 × 10064569

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20129138
Product of the distinct prime numbers

The prime factorization of 20129138 is 2 × 10064569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20129138)

Multiplication

n×y
n×2 40258276
n×3 60387414
n×4 80516552
n×5 100645690

Division

n÷y
n÷2 10064569
n÷3 6709712.6666667
n÷3 5032284.5
n÷5 4025827.6

Exponentiation

ny
n2 405182196623044
n3 8.1559683509684E+21
n4 1.6417261246028E+29
n5 3.3046531720334E+36

Nth Root

y√n
2√n 4486.5507909752
3√n 272.02473282884
4√n 66.981719826944
5√n 28.891163727945

Divisors of 20129138

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 -20129137
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 20129138 can be divided by 4 positive divisors. The sum of these divisors (counting 20129138) is 1, the average is 0.25.

Base conversion 20129138

Base System Value
2 Binary 1001100110010010101110010
3 Ternary 1101212122222122
4 Quaternary 1030302111302
5 Quinary 20123113023
6 Senary 1555234242
8 Octal 114622562
10 Decimal 20129138
12 Duodecimal 68a8982
16 Hexadecimal 1332572
20 Vigesimal 65g2gi
36 Base36 bzfqq

Cryptographic Hash Functions

md5 00fa817aec9e24444d46eb0ad5b61542
sha1 98786345d5213a76d49debed10b477a9584fa475
sha256 3cb974b5cadb63604f68f0ab5247ac225222634aae124708929c98751ecf9147
sha512 8561fd12225fdd79c4f2d1b292ae57d6fb931e1cdee28d1615fa7a27cb262aff96ec723f5e1067ed0220ed00203d3670302db45a93dfc37cbccbcbb788186323
ripemd-160 4942ee0aa13dc1a09322227b7fe270a3b8e3351d

20129138 as geometric shapes

Circle

Radius = n
Diameter 40258276
Circumference 126475104.12779
Area 1.2729174122763E+15

Sphere

Radius = n
Volume 3.4163640339084E+22
Surface area 5.0916696491053E+15
Circumference 126475104.12779

Square

Length = n
Perimeter 80516552
Area 405182196623044
Diagonal 28466899.95848

Cube

Length = n
Surface area 2431093179738264
Volume 8.1559683509684E+21
Space diagonal 34864689.728565

Equilateral Triangle

Length = n
Perimeter 60387414
Area 1.7544903771837E+14
Altitude 17432344.864283

Triangular Pyramid

Length = n
Surface area 1.7544903771837E+14
Volume 9.6119008801877E+20
Height 9488966.6528265