21249942 (number)

21249942 is an even 8-digits composite number following 21249941 and preceding 21249943. In scientific notation, it is written as 2.1249942 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 5559840 positive integers (up to 21249942) that are relatively prime to 21249942.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-nine thousand nine hundred forty-two

Notation

Scientific notation 2.1249942 × 10^7
Engineering notation 2.1249942 × 10^6

Prime Factorization of 21249942

Prime Factorization 2 × 93 × 19 × 7 × 859

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21249942
Product of the distinct prime numbers

The prime factorization of 21249942 is 2 × 93 × 19 × 7 × 859. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 7, 100, 39, 440, 300, 839, 6590, 2460, 10260, 301108, 721691, 4392850, 1202387, 38175034, 99551089, 299476496, 904693890, 5818562457, 9570258137

Basic calculations (n = 21249942)

Multiplication

n×y
n×2 42499884
n×3 63749826
n×4 84999768
n×5 106249710

Division

n÷y
n÷2 10624971
n÷3 7083314
n÷3 5312485.5
n÷5 4249988.4

Exponentiation

ny
n2 451560035003364
n3 9.5956245533395E+21
n4 2.0390646521224E+29
n5 4.3330005591851E+36

Nth Root

y√n
2√n 4609.7659376589
3√n 276.98266083735
4√n 67.895257107245
5√n 29.205964285919

Divisors of 21249942

1, 2, 7, 14, 19, 38, 93, 133, 186, 266, 651, 859, 1302, 1718, 1767, 3534, 6013, 12026, 12369, 16321, 24738, 32642, 79887, 114247, 159774, 228494, 559209, 1118418, 1517853, 3035706, 10624971, 21249942

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 -21249941
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 21249942 can be divided by 32 positive divisors. The sum of these divisors (counting 21249942) is 1, the average is 0.03125.

Base conversion 21249942

Base System Value
2 Binary 1010001000011111110010110
3 Ternary 1110222121102220
4 Quaternary 1101003332112
5 Quinary 20414444232
6 Senary 2035243210
8 Octal 121037626
10 Decimal 21249942
12 Duodecimal 7149506
16 Hexadecimal 1443f96
20 Vigesimal 6cg4h2
36 Base36 cngk6

Cryptographic Hash Functions

md5 0817455948a8a091a82376e8d4e20df2
sha1 b663a450e4b9500a74bfccfc10365a2b8176ea3a
sha256 271016d50dd74ad43ad07ccedfcf633707a79d4a1665829afb53fdda18d4109a
sha512 7125ad309865224e119056f85d5a0c77a4df983144a40af67ecbaeda758b4a764fec50ff15e2d32aa1173e74258dd8693bd1781602249a1f5bd92d48afa6ff8a
ripemd-160 09be1c4985e4693b3a7d3fb99c27194f62796fc0

21249942 as geometric shapes

Circle

Radius = n
Diameter 42499884
Circumference 133517323.35282
Area 1.4186176886213E+15

Sphere

Radius = n
Volume 4.0194058137836E+22
Surface area 5.6744707544853E+15
Circumference 133517323.35282

Square

Length = n
Perimeter 84999768
Area 451560035003364
Diagonal 30051956.176042

Cube

Length = n
Surface area 2709360210020184
Volume 9.5956245533395E+21
Space diagonal 36805979.201892

Equilateral Triangle

Length = n
Perimeter 63749826
Area 1.9553123082335E+14
Altitude 18402989.600946

Triangular Pyramid

Length = n
Surface area 1.9553123082335E+14
Volume 1.1308551985644E+21
Height 10017318.725347