21494870 (number)

21494870 is an even 8-digits composite number following 21494869 and preceding 21494871. In scientific notation, it is written as 2.1494870 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 8542560 positive integers (up to 21494870) that are relatively prime to 21494870.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred seventy

Notation

Scientific notation 2.1494870 × 10^7
Engineering notation 2.1494870 × 10^6

Prime Factorization of 21494870

Prime Factorization 2 × 5 × 157 × 13691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494870
Product of the distinct prime numbers

The prime factorization of 21494870 is 2 × 5 × 157 × 13691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 28, 30, 961, 13, 5198, 6694, 49887, 63557, 633012, 200762, 4049272, 2449485, 42950189, 65226670, 414266795, 337240768, 4955540195, 6445868158

Basic calculations (n = 21494870)

Multiplication

n×y
n×2 42989740
n×3 64484610
n×4 85979480
n×5 107474350

Division

n÷y
n÷2 10747435
n÷3 7164956.6666667
n÷3 5373717.5
n÷5 4298974

Exponentiation

ny
n2 462029436316900
n3 9.931262669805E+21
n4 2.1347120002331E+29
n5 4.5885356932451E+36

Nth Root

y√n
2√n 4636.2560326194
3√n 278.04277070829
4√n 68.090058250962
5√n 29.272981924584

Divisors of 21494870

1, 2, 5, 10, 157, 314, 785, 1570, 13691, 27382, 68455, 136910, 2149487, 4298974, 10747435, 21494870

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 -21494869
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 21494870 can be divided by 16 positive divisors. The sum of these divisors (counting 21494870) is 1, the average is 0.0625.

Base conversion 21494870

Base System Value
2 Binary 1010001111111110001010110
3 Ternary 1111110001102022
4 Quaternary 1101333301112
5 Quinary 21000313440
6 Senary 2044413142
8 Octal 121776126
10 Decimal 21494870
12 Duodecimal 72471b2
16 Hexadecimal 147fc56
20 Vigesimal 6e6h3a
36 Base36 cspjq

Cryptographic Hash Functions

md5 97b7b453257b8a2b79085f4173aa8a7c
sha1 5a5099ff64366c8e2722a6364bb80479311459f2
sha256 5beb7ffce36779bc5f77fea6dfac81d0c1ac77fb5c82deaa63eb855d4125d067
sha512 494769fc2cba76a86a6cf95ccf262268dfc0ad2306571e16fad87490330fbded9c5620c5ac2b410470bfd5f84530a62d2c4f370e32a92cca4504b5c8dc4ebe4a
ripemd-160 3c8babd556a5c732949bcc5548daa2cb7b9e12f6

21494870 as geometric shapes

Circle

Radius = n
Diameter 42989740
Circumference 135056251.36374
Area 1.4515082828754E+15

Sphere

Radius = n
Volume 4.159997579244E+22
Surface area 5.8060331315016E+15
Circumference 135056251.36374

Square

Length = n
Perimeter 85979480
Area 462029436316900
Diagonal 30398336.675447

Cube

Length = n
Surface area 2772176617901400
Volume 9.931262669805E+21
Space diagonal 37230206.942088

Equilateral Triangle

Length = n
Perimeter 64484610
Area 2.0006461457332E+14
Altitude 18615103.471044

Triangular Pyramid

Length = n
Surface area 2.0006461457332E+14
Volume 1.1704105299273E+21
Height 10132778.891816