21031912 (number)

21031912 is an even 8-digits composite number following 21031911 and preceding 21031913. In scientific notation, it is written as 2.1031912 × 10^7. The sum of its digits is 19. It has a total of 6 prime factors and 32 positive divisors. There are 9504000 positive integers (up to 21031912) that are relatively prime to 21031912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031912 × 10^7
Engineering notation 2.1031912 × 10^6

Prime Factorization of 21031912

Prime Factorization 2 × 2 × 2 × 11 × 199 × 1201

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5257978
Product of the distinct prime numbers

The prime factorization of 21031912 is 2 × 2 × 2 × 11 × 199 × 1201. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 3, 18, 24, 391, 608, 7106, 7092, 16353, 66858, 980479, 33834, 3432528, 1421526, 5382263, 63764112, 215628403, 639145370, 4875929592, 8605653246

Basic calculations (n = 21031912)

Multiplication

n×y
n×2 42063824
n×3 63095736
n×4 84127648
n×5 105159560

Division

n÷y
n÷2 10515956
n÷3 7010637.3333333
n÷3 5257978
n÷5 4206382.4

Exponentiation

ny
n2 442341322375744
n3 9.3032837661703E+21
n4 1.9566584548112E+29
n5 4.1152268435646E+36

Nth Root

y√n
2√n 4586.056257832
3√n 276.03209736631
4√n 67.720427182882
5√n 29.145784616083

Divisors of 21031912

1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1201, 1592, 2189, 2402, 4378, 4804, 8756, 9608, 13211, 17512, 26422, 52844, 105688, 238999, 477998, 955996, 1911992, 2628989, 5257978, 10515956, 21031912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031912 can be divided by 32 positive divisors. The sum of these divisors (counting 21031912) is 1, the average is 0.03125.

Base conversion 21031912

Base System Value
2 Binary 1010000001110101111101000
3 Ternary 1110120112100201
4 Quaternary 1100032233220
5 Quinary 20341010122
6 Senary 2030441544
8 Octal 120165750
10 Decimal 21031912
12 Duodecimal 70632b4
16 Hexadecimal 140ebe8
20 Vigesimal 6b8jfc
36 Base36 cisbs

Cryptographic Hash Functions

md5 09b7d816fc56746e35ba7774404eb160
sha1 f4abd6107da074669be8556ee90448d28c732ff2
sha256 781e99051ea5f8076e2f92c4959a8ba09e5aec74066c37259ff79e4a8c28a18e
sha512 560f49639956e313dbcf472d8bda8706d932bd316788326b9f4a87ab86a7bb6af89c85c75ee6c5cd45259947b4e05221aa400b5921b862d75e659fab8a5fc5b2
ripemd-160 4a03bdfc8b39f95d6bf33a39fed4f8a6a5f147f4

21031912 as geometric shapes

Circle

Radius = n
Diameter 42063824
Circumference 132147400.46029
Area 1.3896562487548E+15

Sphere

Radius = n
Volume 3.8969503912082E+22
Surface area 5.5586249950193E+15
Circumference 132147400.46029

Square

Length = n
Perimeter 84127648
Area 442341322375744
Diagonal 29743615.193037

Cube

Length = n
Surface area 2654047934254464
Volume 9.3032837661703E+21
Space diagonal 36428340.164318

Equilateral Triangle

Length = n
Perimeter 63095736
Area 1.915394111605E+14
Altitude 18214170.082159

Triangular Pyramid

Length = n
Surface area 1.915394111605E+14
Volume 1.0964025063936E+21
Height 9914538.3976792