21131238 (number)

21131238 is an even 8-digits composite number following 21131237 and preceding 21131239. In scientific notation, it is written as 2.1131238 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6629376 positive integers (up to 21131238) that are relatively prime to 21131238.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131238 × 10^7
Engineering notation 2.1131238 × 10^6

Prime Factorization of 21131238

Prime Factorization 2 × 3 × 17 × 207169

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21131238
Product of the distinct prime numbers

The prime factorization of 21131238 is 2 × 3 × 17 × 207169. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 48, 25, 21, 29, 9081, 3460, 39161, 4797, 426645, 767236, 9962038, 4400983, 27317641, 45859410, 835407321, 653792158, 5361788555, 9173636371

Basic calculations (n = 21131238)

Multiplication

n×y
n×2 42262476
n×3 63393714
n×4 84524952
n×5 105656190

Division

n÷y
n÷2 10565619
n÷3 7043746
n÷3 5282809.5
n÷5 4226247.6

Exponentiation

ny
n2 446529219412644
n3 9.4357152093628E+21
n4 1.9938834378927E+29
n5 4.2133225470368E+36

Nth Root

y√n
2√n 4596.8726325623
3√n 276.46594786591
4√n 67.800240652687
5√n 29.173261727656

Divisors of 21131238

1, 2, 3, 6, 17, 34, 51, 102, 207169, 414338, 621507, 1243014, 3521873, 7043746, 10565619, 21131238

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131237
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131238 can be divided by 16 positive divisors. The sum of these divisors (counting 21131238) is 1, the average is 0.0625.

Base conversion 21131238

Base System Value
2 Binary 1010000100110111111100110
3 Ternary 1110202120121110
4 Quaternary 1100212333212
5 Quinary 20402144423
6 Senary 2032525450
8 Octal 120467746
10 Decimal 21131238
12 Duodecimal 70b0886
16 Hexadecimal 1426fe6
20 Vigesimal 6c181i
36 Base36 ckwyu

Cryptographic Hash Functions

md5 2447282b12de13c6fc2265655f6769da
sha1 2ebc03df21d6a92a343832b6cd61eb22607f0377
sha256 5d1d4d758d687a992c09a097a54d5bc16062b8ee7a7f30b55c0f6b01ae9f8bf5
sha512 a6ffd9b5d0eabdc8782b96bbaf12aa9af0398b1ddf89e41ba75f573f9a3a529cf4f7b27a3554e0edd59886ccc86014ac8a3139813bee94a2adc41ab7d9beedcd
ripemd-160 ae8804ab01d848c4613292264163049990bd2595

21131238 as geometric shapes

Circle

Radius = n
Diameter 42262476
Circumference 132771484.12411
Area 1.4028129153199E+15

Sphere

Radius = n
Volume 3.9524231444133E+22
Surface area 5.6112516612798E+15
Circumference 132771484.12411

Square

Length = n
Perimeter 84524952
Area 446529219412644
Diagonal 29884083.369334

Cube

Length = n
Surface area 2679175316475864
Volume 9.4357152093628E+21
Space diagonal 36600377.84283

Equilateral Triangle

Length = n
Perimeter 63393714
Area 1.9335282377169E+14
Altitude 18300188.921415

Triangular Pyramid

Length = n
Surface area 1.9335282377169E+14
Volume 1.1120097016476E+21
Height 9961361.1231112