21457730 (number)

21457730 is an even 8-digits composite number following 21457729 and preceding 21457731. In scientific notation, it is written as 2.1457730 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors. There are 7326144 positive integers (up to 21457730) that are relatively prime to 21457730.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1457730 × 10^7
Engineering notation 2.1457730 × 10^6

Prime Factorization of 21457730

Prime Factorization 2 × 5 × 7 × 967 × 317

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21457730
Product of the distinct prime numbers

The prime factorization of 21457730 is 2 × 5 × 7 × 967 × 317. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 81, 42, 929, 145, 1047, 3905, 53185, 28854, 333316, 7251, 6334023, 8466727, 84912998, 89016196, 333121919, 196758462, 4781457240, 548479601

Basic calculations (n = 21457730)

Multiplication

n×y
n×2 42915460
n×3 64373190
n×4 85830920
n×5 107288650

Division

n÷y
n÷2 10728865
n÷3 7152576.6666667
n÷3 5364432.5
n÷5 4291546

Exponentiation

ny
n2 460434176752900
n3 9.879872247536E+21
n4 2.1199963112212E+29
n5 4.5490308447181E+36

Nth Root

y√n
2√n 4632.2489138646
3√n 277.88253927033
4√n 68.060626751923
5√n 29.262859037245

Divisors of 21457730

1, 2, 5, 7, 10, 14, 35, 70, 317, 634, 967, 1585, 1934, 2219, 3170, 4438, 4835, 6769, 9670, 11095, 13538, 22190, 33845, 67690, 306539, 613078, 1532695, 2145773, 3065390, 4291546, 10728865, 21457730

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 -21457729
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 21457730 can be divided by 32 positive divisors. The sum of these divisors (counting 21457730) is 1, the average is 0.03125.

Base conversion 21457730

Base System Value
2 Binary 1010001110110101101000010
3 Ternary 1111101011110202
4 Quaternary 1101312231002
5 Quinary 20443121410
6 Senary 2043525202
8 Octal 121665502
10 Decimal 21457730
12 Duodecimal 7229802
16 Hexadecimal 1476b42
20 Vigesimal 6e246a
36 Base36 crww2

Cryptographic Hash Functions

md5 70c8919db93d4709628b9e0659dc2a19
sha1 59400d09c62958b46a3aa5b68614a8c141c50262
sha256 469530de6a6a0a469718727f8758a39058ca74f9c69d9883a490cfacedbfe0d3
sha512 a8ee24064e509599364210d27467522986217a57a2917dd200ba8e01e44623da18615fd1c44789665638e5c404f0fcc4bb011c94a4662263712c78eed11fcccd
ripemd-160 611cd8035624b527bea6b72f08ce256b6e6ae873

21457730 as geometric shapes

Circle

Radius = n
Diameter 42915460
Circumference 134822893.86143
Area 1.4464966271486E+15

Sphere

Radius = n
Volume 4.138471209502E+22
Surface area 5.7859865085943E+15
Circumference 134822893.86143

Square

Length = n
Perimeter 85830920
Area 460434176752900
Diagonal 30345812.78374

Cube

Length = n
Surface area 2762605060517400
Volume 9.879872247536E+21
Space diagonal 37165878.575095

Equilateral Triangle

Length = n
Perimeter 64373190
Area 1.9937384691929E+14
Altitude 18582939.287547

Triangular Pyramid

Length = n
Surface area 1.9937384691929E+14
Volume 1.1643541105816E+21
Height 10115270.927913