21242488 (number)

21242488 is an even 8-digits composite number following 21242487 and preceding 21242489. In scientific notation, it is written as 2.1242488 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 10608000 positive integers (up to 21242488) that are relatively prime to 21242488.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-two thousand four hundred eighty-eight

Notation

Scientific notation 2.1242488 × 10^7
Engineering notation 2.1242488 × 10^6

Prime Factorization of 21242488

Prime Factorization 2 × 2 × 2 × 1951 × 1361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5310622
Product of the distinct prime numbers

The prime factorization of 21242488 is 2 × 2 × 2 × 1951 × 1361. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 13, 11, 588, 175, 242, 6910, 99120, 60640, 248217, 166015, 5239336, 4163436, 34360424, 44457428, 832614788, 839381370, 7565593640, 4987041609

Basic calculations (n = 21242488)

Multiplication

n×y
n×2 42484976
n×3 63727464
n×4 84969952
n×5 106212440

Division

n÷y
n÷2 10621244
n÷3 7080829.3333333
n÷3 5310622
n÷5 4248497.6

Exponentiation

ny
n2 451243296430144
n3 9.5855303094978E+21
n4 2.0362051257314E+29
n5 4.3254062948888E+36

Nth Root

y√n
2√n 4608.9573658258
3√n 276.95027062802
4√n 67.889302292967
5√n 29.20391503976

Divisors of 21242488

1, 2, 4, 8, 1361, 1951, 2722, 3902, 5444, 7804, 10888, 15608, 2655311, 5310622, 10621244, 21242488

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 -21242487
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 21242488 can be divided by 16 positive divisors. The sum of these divisors (counting 21242488) is 1, the average is 0.0625.

Base conversion 21242488

Base System Value
2 Binary 1010001000010001001111000
3 Ternary 1110222020012211
4 Quaternary 1101002021320
5 Quinary 20414224423
6 Senary 2035144504
8 Octal 121021170
10 Decimal 21242488
12 Duodecimal 7145134
16 Hexadecimal 1442278
20 Vigesimal 6cf648
36 Base36 cnat4

Cryptographic Hash Functions

md5 9d636d6cb3e08c4152d935588d903591
sha1 6d1627371166706d8f559d46b1eb07db7987b4d6
sha256 d38c167aeda0b06e3114bfd9e17049db1257fb07954eba18969927c20c704e2d
sha512 8bbde5b906518fbd79b379d56672e79e3cf0c3213f13105de58d2dcbf414048769496d217564d333bffc83c1d56b9f2e7262e860d7de6813bb866626e2b83ac6
ripemd-160 983cb9b38e06a7a78dbc175890a4afa550159606

21242488 as geometric shapes

Circle

Radius = n
Diameter 42484976
Circumference 133470488.48954
Area 1.4176226250466E+15

Sphere

Radius = n
Volume 4.0151775468107E+22
Surface area 5.6704905001863E+15
Circumference 133470488.48954

Square

Length = n
Perimeter 84969952
Area 451243296430144
Diagonal 30041414.628148

Cube

Length = n
Surface area 2707459778580864
Volume 9.5855303094978E+21
Space diagonal 36793068.495172

Equilateral Triangle

Length = n
Perimeter 63727464
Area 1.9539407899797E+14
Altitude 18396534.247586

Triangular Pyramid

Length = n
Surface area 1.9539407899797E+14
Volume 1.1296655805192E+21
Height 10013804.876049