21031854 (number)

21031854 is an even 8-digits composite number following 21031853 and preceding 21031855. In scientific notation, it is written as 2.1031854 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6921720 positive integers (up to 21031854) that are relatively prime to 21031854.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred fifty-four

Notation

Scientific notation 2.1031854 × 10^7
Engineering notation 2.1031854 × 10^6

Prime Factorization of 21031854

Prime Factorization 2 × 3 × 79 × 44371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031854
Product of the distinct prime numbers

The prime factorization of 21031854 is 2 × 3 × 79 × 44371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031854)

Multiplication

n×y
n×2 42063708
n×3 63095562
n×4 84127416
n×5 105159270

Division

n÷y
n÷2 10515927
n÷3 7010618
n÷3 5257963.5
n÷5 4206370.8

Exponentiation

ny
n2 442338882677316
n3 9.3032067989924E+21
n4 1.9566368712822E+29
n5 4.1151701007823E+36

Nth Root

y√n
2√n 4586.0499343117
3√n 276.03184362687
4√n 67.720380494439
5√n 29.145768540917

Divisors of 21031854

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 -21031853
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 21031854 can be divided by 16 positive divisors. The sum of these divisors (counting 21031854) is 1, the average is 0.0625.

Base conversion 21031854

Base System Value
2 Binary 1010000001110101110101110
3 Ternary 1110120112021120
4 Quaternary 1100032232232
5 Quinary 20341004404
6 Senary 2030441410
8 Octal 120165656
10 Decimal 21031854
12 Duodecimal 7063266
16 Hexadecimal 140ebae
20 Vigesimal 6b8jce
36 Base36 cisa6

Cryptographic Hash Functions

md5 9f86b058bc038ffb953c5d72fc218d4b
sha1 04cea9cd4db4b0c8b9c691ec9160d665754261c7
sha256 e04a6233af57a18e3482a00ca9d0951e5b4c819ac364c6e0b63ed146f7408b9c
sha512 52493252d345e9796fa0135e3f348c2ebb77179de038154ee399875d5e15220d19885cc493e4afaa99d18b965b99fe005ecdc7bed67bc2257c05b3e8377b256c
ripemd-160 a90700390e314685cdb4673f6ac6099c86aade14

21031854 as geometric shapes

Circle

Radius = n
Diameter 42063708
Circumference 132147036.03555
Area 1.3896485842162E+15

Sphere

Radius = n
Volume 3.8969181512722E+22
Surface area 5.5585943368647E+15
Circumference 132147036.03555

Square

Length = n
Perimeter 84127416
Area 442338882677316
Diagonal 29743533.168651

Cube

Length = n
Surface area 2654033296063896
Volume 9.3032067989924E+21
Space diagonal 36428239.705371

Equilateral Triangle

Length = n
Perimeter 63095562
Area 1.9153835474009E+14
Altitude 18214119.852685

Triangular Pyramid

Length = n
Surface area 1.9153835474009E+14
Volume 1.0963934357247E+21
Height 9914511.0562169