21494872 (number)

21494872 is an even 8-digits composite number following 21494871 and preceding 21494873. In scientific notation, it is written as 2.1494872 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 9212064 positive integers (up to 21494872) that are relatively prime to 21494872.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494872 × 10^7
Engineering notation 2.1494872 × 10^6

Prime Factorization of 21494872

Prime Factorization 2 × 2 × 2 × 7 × 383837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5373718
Product of the distinct prime numbers

The prime factorization of 21494872 is 2 × 2 × 2 × 7 × 383837. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 29, 87, 332, 61, 6239, 4289, 37321, 97301, 14345, 37391, 3628590, 7971386, 26536855, 86845201, 192778652, 786682090, 2627650878, 9372322149

Basic calculations (n = 21494872)

Multiplication

n×y
n×2 42989744
n×3 64484616
n×4 85979488
n×5 107474360

Division

n÷y
n÷2 10747436
n÷3 7164957.3333333
n÷3 5373718
n÷5 4298974.4

Exponentiation

ny
n2 462029522296384
n3 9.9312654419819E+21
n4 2.1347127947342E+29
n5 4.5885378279575E+36

Nth Root

y√n
2√n 4636.2562483107
3√n 278.04277933182
4√n 68.09005983483
5√n 29.272982469327

Divisors of 21494872

1, 2, 4, 7, 8, 14, 28, 56, 383837, 767674, 1535348, 2686859, 3070696, 5373718, 10747436, 21494872

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 -21494871
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 21494872 can be divided by 16 positive divisors. The sum of these divisors (counting 21494872) is 1, the average is 0.0625.

Base conversion 21494872

Base System Value
2 Binary 1010001111111110001011000
3 Ternary 1111110001102101
4 Quaternary 1101333301120
5 Quinary 21000313442
6 Senary 2044413144
8 Octal 121776130
10 Decimal 21494872
12 Duodecimal 72471b4
16 Hexadecimal 147fc58
20 Vigesimal 6e6h3c
36 Base36 cspjs

Cryptographic Hash Functions

md5 97f6b3c955122e5b25eae9ac2d42f565
sha1 34b4f75ad6668a73c177908c42ecc95734675a99
sha256 a3e85600d2d75fd392939ad2761a7b1723e0db1079512a7425cfe0ac6819cee9
sha512 65c643441da7d0c3bc543d1ddf3bee0d6e18656cc7f76dfd82fb83002a5d8d9aee2c13e8f769ce34bb59f72b84645c45abb54b437919c21e136cc3057c2e717d
ripemd-160 760ed3279097ebebcd78c4cafd6d861c711881de

21494872 as geometric shapes

Circle

Radius = n
Diameter 42989744
Circumference 135056263.93011
Area 1.4515085529879E+15

Sphere

Radius = n
Volume 4.1599987404507E+22
Surface area 5.8060342119517E+15
Circumference 135056263.93011

Square

Length = n
Perimeter 85979488
Area 462029522296384
Diagonal 30398339.503874

Cube

Length = n
Surface area 2772177133778304
Volume 9.9312654419819E+21
Space diagonal 37230210.40619

Equilateral Triangle

Length = n
Perimeter 64484616
Area 2.0006465180353E+14
Altitude 18615105.203095

Triangular Pyramid

Length = n
Surface area 2.0006465180353E+14
Volume 1.1704108566315E+21
Height 10132779.834625