21291750 (number)

21291750 is an even 8-digits composite number following 21291749 and preceding 21291751. In scientific notation, it is written as 2.1291750 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5677200 positive integers (up to 21291750) that are relatively prime to 21291750.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred fifty

Notation

Scientific notation 2.1291750 × 10^7
Engineering notation 2.1291750 × 10^6

Prime Factorization of 21291750

Prime Factorization 2 × 15 × 3 × 25 × 9463

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21291750
Product of the distinct prime numbers

The prime factorization of 21291750 is 2 × 15 × 3 × 25 × 9463. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 45, 33, 442, 435, 4838, 5227, 55918, 75805, 427299, 991059, 6036956, 9039827, 73978948, 69120746, 967422719, 988109055, 9068085254, 981314298

Basic calculations (n = 21291750)

Multiplication

n×y
n×2 42583500
n×3 63875250
n×4 85167000
n×5 106458750

Division

n÷y
n÷2 10645875
n÷3 7097250
n÷3 5322937.5
n÷5 4258350

Exponentiation

ny
n2 453338618062500
n3 9.6523725211322E+21
n4 2.0551590262682E+29
n5 4.3757932197545E+36

Nth Root

y√n
2√n 4614.2984298808
3√n 277.16419082292
4√n 67.928627469431
5√n 29.217447452846

Divisors of 21291750

1, 2, 3, 6, 15, 25, 30, 45, 50, 75, 90, 150, 375, 750, 1125, 2250, 9463, 18926, 28389, 56778, 141945, 236575, 283890, 425835, 473150, 709725, 851670, 1419450, 3548625, 7097250, 10645875, 21291750

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 -21291749
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 21291750 can be divided by 32 positive divisors. The sum of these divisors (counting 21291750) is 1, the average is 0.03125.

Base conversion 21291750

Base System Value
2 Binary 1010001001110001011100110
3 Ternary 1111001201210100
4 Quaternary 1101032023212
5 Quinary 20422314000
6 Senary 2040204530
8 Octal 121161346
10 Decimal 21291750
12 Duodecimal 7169746
16 Hexadecimal 144e2e6
20 Vigesimal 6d197a
36 Base36 cocti

Cryptographic Hash Functions

md5 f9d1724330a9a3e56a477f9640acf24f
sha1 46a37818bd97b13e5d2bbc09e67563f86c926c2f
sha256 86346479db406355421ba27deee7cd258d36de62237a457ceb859a0bbe434f1d
sha512 73f0049e1fc150d34833a76dcd7e6e1bb08b98fe974b64660cf665404870386df674ea6a6b451c8c48b5a505b16649b2966294784813deca5f909ae8c189ca83
ripemd-160 00157fc032f628186df1ded439ff55fb15d5c48f

21291750 as geometric shapes

Circle

Radius = n
Diameter 42583500
Circumference 133780010.76414
Area 1.4242052720937E+15

Sphere

Radius = n
Volume 4.0431763469468E+22
Surface area 5.6968210883748E+15
Circumference 133780010.76414

Square

Length = n
Perimeter 85167000
Area 453338618062500
Diagonal 30111081.616657

Cube

Length = n
Surface area 2720031708375000
Volume 9.6523725211322E+21
Space diagonal 36878392.782055

Equilateral Triangle

Length = n
Perimeter 63875250
Area 1.9630137987933E+14
Altitude 18439196.391027

Triangular Pyramid

Length = n
Surface area 1.9630137987933E+14
Volume 1.1375430107052E+21
Height 10037027.205552