21108907 (number)

21108907 is an odd 8-digits composite number following 21108906 and preceding 21108908. In scientific notation, it is written as 2.1108907 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20538360 positive integers (up to 21108907) that are relatively prime to 21108907.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred eight thousand nine hundred seven

Notation

Scientific notation 2.1108907 × 10^7
Engineering notation 2.1108907 × 10^6

Prime Factorization of 21108907

Prime Factorization 37 × 570511

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21108907
Product of the distinct prime numbers

The prime factorization of 21108907 is 37 × 570511. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21108907)

Multiplication

n×y
n×2 42217814
n×3 63326721
n×4 84435628
n×5 105544535

Division

n÷y
n÷2 10554453.5
n÷3 7036302.3333333
n÷3 5277226.75
n÷5 4221781.4

Exponentiation

ny
n2 445585954734649
n3 9.4058324789999E+21
n4 1.9854684305679E+29
n5 4.1911068452293E+36

Nth Root

y√n
2√n 4594.443056563
3√n 276.36852594925
4√n 67.782321121093
5√n 29.167093194937

Divisors of 21108907

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21108906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108907 can be divided by 4 positive divisors. The sum of these divisors (counting 21108907) is 1, the average is 0.25.

Base conversion 21108907

Base System Value
2 Binary 1010000100001100010101011
3 Ternary 1110201102222101
4 Quaternary 1100201202223
5 Quinary 20400441112
6 Senary 2032234231
8 Octal 120414253
10 Decimal 21108907
12 Duodecimal 709b977
16 Hexadecimal 14218ab
20 Vigesimal 6bic57
36 Base36 ckfqj

Cryptographic Hash Functions

md5 9aa9c7dbfde8905708770983d112b000
sha1 0e99ce8c6318e20e535a1b988b58f2593d7ef2b0
sha256 f9c9d83fead092d9442c620ccfaf1000b2eacd8ac2d2698bee0f2d323f98b206
sha512 1314bce9d3ddcb14c3fef2da7e5c91511380462fbc51e593bdda913fc49fb580c1de7e9f11ad5e6d1e419e3d4c5328ddd007e5a8f1b6f5d2fa25a473863b849e
ripemd-160 56ce50c0a8cd16b63bbe6f0acb9cc742de7e7dd5

21108907 as geometric shapes

Circle

Radius = n
Diameter 42217814
Circumference 132631174.31302
Area 1.3998495619372E+15

Sphere

Radius = n
Volume 3.9399058955897E+22
Surface area 5.5993982477487E+15
Circumference 132631174.31302

Square

Length = n
Perimeter 84435628
Area 445585954734649
Diagonal 29852502.566272

Cube

Length = n
Surface area 2673515728407894
Volume 9.4058324789999E+21
Space diagonal 36561699.416246

Equilateral Triangle

Length = n
Perimeter 63326721
Area 1.9294437818487E+14
Altitude 18280849.708123

Triangular Pyramid

Length = n
Surface area 1.9294437818487E+14
Volume 1.1084879881009E+21
Height 9950834.1887575