21291225 (number)

21291225 is an odd 8-digits composite number following 21291224 and preceding 21291226. In scientific notation, it is written as 2.1291225 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10686720 positive integers (up to 21291225) that are relatively prime to 21291225.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred twenty-five

Notation

Scientific notation 2.1291225 × 10^7
Engineering notation 2.1291225 × 10^6

Prime Factorization of 21291225

Prime Factorization 15 × 5 × 17 × 16699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21291225
Product of the distinct prime numbers

The prime factorization of 21291225 is 15 × 5 × 17 × 16699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 55, 98, 837, 110, 2010, 1572, 90147, 30345, 949239, 420622, 1097493, 1443957, 43311635, 28709439, 598102716, 611558479, 8110111960, 6261619887

Basic calculations (n = 21291225)

Multiplication

n×y
n×2 42582450
n×3 63873675
n×4 85164900
n×5 106456125

Division

n÷y
n÷2 10645612.5
n÷3 7097075
n÷3 5322806.25
n÷5 4258245

Exponentiation

ny
n2 453316262000625
n3 9.6516585304143E+21
n4 2.0549563339422E+29
n5 4.3752537671138E+36

Nth Root

y√n
2√n 4614.2415411419
3√n 277.16191275127
4√n 67.928208729084
5√n 29.217303365946

Divisors of 21291225

1, 5, 15, 17, 75, 85, 255, 1275, 16699, 83495, 250485, 283883, 1252425, 1419415, 4258245, 21291225

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 -21291224
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 21291225 can be divided by 16 positive divisors. The sum of these divisors (counting 21291225) is 1, the average is 0.0625.

Base conversion 21291225

Base System Value
2 Binary 1010001001110000011011001
3 Ternary 1111001201001220
4 Quaternary 1101032003121
5 Quinary 20422304400
6 Senary 2040202253
8 Octal 121160331
10 Decimal 21291225
12 Duodecimal 7169389
16 Hexadecimal 144e0d9
20 Vigesimal 6d1815
36 Base36 cocex

Cryptographic Hash Functions

md5 8f870dd29d449d63f4b2cad641c4511a
sha1 68a6b0ef5c6c839d253a5b82ef73323018123aae
sha256 940a4f9dfb9d749a38a88133ec407382f1c8699154e3669c7e037cf07c0ed782
sha512 813cbb08309dba5b0e1909ccaa3e8d4fd8e3b65763ef42ab2b2ee3bd332dea03b286271b2f7064df393e7a97b7bc4aa0c027a17a01b2de9ffd751cafaed283f3
ripemd-160 b63012a8e024c88d6f47cb35cb35a1d5b3b7e499

21291225 as geometric shapes

Circle

Radius = n
Diameter 42582450
Circumference 133776712.09185
Area 1.4241350384539E+15

Sphere

Radius = n
Volume 4.0428772712142E+22
Surface area 5.6965401538158E+15
Circumference 133776712.09185

Square

Length = n
Perimeter 85164900
Area 453316262000625
Diagonal 30110339.154537

Cube

Length = n
Surface area 2719897572003750
Volume 9.6516585304143E+21
Space diagonal 36877483.455381

Equilateral Triangle

Length = n
Perimeter 63873675
Area 1.9629169942057E+14
Altitude 18438741.72769

Triangular Pyramid

Length = n
Surface area 1.9629169942057E+14
Volume 1.1374588660922E+21
Height 10036779.718179