21494865 (number)

21494865 is an odd 8-digits composite number following 21494864 and preceding 21494866. In scientific notation, it is written as 2.1494865 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 9584640 positive integers (up to 21494865) that are relatively prime to 21494865.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred sixty-five

Notation

Scientific notation 2.1494865 × 10^7
Engineering notation 2.1494865 × 10^6

Prime Factorization of 21494865

Prime Factorization 3 × 5 × 7 × 41 × 4993

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21494865
Product of the distinct prime numbers

The prime factorization of 21494865 is 3 × 5 × 7 × 41 × 4993. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 82, 94, 44, 772, 4146, 7588, 65597, 43519, 282913, 444100, 3217712, 7021159, 18849239, 45185266, 961134196, 703214838, 2405463399, 3944900306

Basic calculations (n = 21494865)

Multiplication

n×y
n×2 42989730
n×3 64484595
n×4 85979460
n×5 107474325

Division

n÷y
n÷2 10747432.5
n÷3 7164955
n÷3 5373716.25
n÷5 4298973

Exponentiation

ny
n2 462029221368225
n3 9.9312557393651E+21
n4 2.1347100139813E+29
n5 4.5885303564676E+36

Nth Root

y√n
2√n 4636.2554933912
3√n 278.04274914944
4√n 68.090054291293
5√n 29.272980562725

Divisors of 21494865

1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4993, 14979, 24965, 34951, 74895, 104853, 174755, 204713, 524265, 614139, 1023565, 1432991, 3070695, 4298973, 7164955, 21494865

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 -21494864
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 21494865 can be divided by 32 positive divisors. The sum of these divisors (counting 21494865) is 1, the average is 0.03125.

Base conversion 21494865

Base System Value
2 Binary 1010001111111110001010001
3 Ternary 1111110001102010
4 Quaternary 1101333301101
5 Quinary 21000313430
6 Senary 2044413133
8 Octal 121776121
10 Decimal 21494865
12 Duodecimal 72471a9
16 Hexadecimal 147fc51
20 Vigesimal 6e6h35
36 Base36 cspjl

Cryptographic Hash Functions

md5 712611dc4eb631977075b3971227e1b0
sha1 d1d48a5a6d8efa1ea9d7698ca2ff99389f3e119b
sha256 c886611f8656163b019b38f5f62bf5cc2194654ea4485500d2c0147b3515c8ea
sha512 30f3cc8197d8eed3d29b3cb8498d39992f9c4b0b877f5fac6486c656e3f0e59260d09e12338bdf05256310e4ef9117644637fccf96597b56921f51e44cd8a735
ripemd-160 0cca11f906c8ca45e08d67d0d21661f1ea5e4fa4

21494865 as geometric shapes

Circle

Radius = n
Diameter 42989730
Circumference 135056219.94781
Area 1.4515076075942E+15

Sphere

Radius = n
Volume 4.1599946762281E+22
Surface area 5.8060304303769E+15
Circumference 135056219.94781

Square

Length = n
Perimeter 85979460
Area 462029221368225
Diagonal 30398329.604379

Cube

Length = n
Surface area 2772175328209350
Volume 9.9312557393651E+21
Space diagonal 37230198.281834

Equilateral Triangle

Length = n
Perimeter 64484595
Area 2.0006452149781E+14
Altitude 18615099.140917

Triangular Pyramid

Length = n
Surface area 2.0006452149781E+14
Volume 1.1704097131671E+21
Height 10132776.534793