21108906 (number)

21108906 is an even 8-digits composite number following 21108905 and preceding 21108907. In scientific notation, it is written as 2.1108906 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5546016 positive integers (up to 21108906) that are relatively prime to 21108906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1108906 × 10^7
Engineering notation 2.1108906 × 10^6

Prime Factorization of 21108906

Prime Factorization 2 × 21 × 13 × 7 × 21 × 263

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1005186
Product of the distinct prime numbers

The prime factorization of 21108906 is 2 × 21 × 13 × 7 × 21 × 263. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 52, 80, 277, 979, 9223, 7956, 79480, 26590, 342562, 966843, 517835, 2306499, 72011822, 90261177, 160215734, 402522145, 1012606852, 6127553997

Basic calculations (n = 21108906)

Multiplication

n×y
n×2 42217812
n×3 63326718
n×4 84435624
n×5 105544530

Division

n÷y
n÷2 10554453
n÷3 7036302
n÷3 5277226.5
n÷5 4221781.2

Exponentiation

ny
n2 445585912516836
n3 9.4058311422421E+21
n4 1.9854680543346E+29
n5 4.1911058524952E+36

Nth Root

y√n
2√n 4594.4429477359
3√n 276.36852158509
4√n 67.782320318324
5√n 29.167092918589

Divisors of 21108906

1, 2, 7, 13, 14, 21, 26, 42, 91, 147, 182, 263, 273, 294, 441, 526, 546, 882, 1841, 1911, 3087, 3419, 3682, 3822, 5523, 5733, 6174, 6838, 11046, 11466, 23933, 38661, 40131, 47866, 71799, 77322, 80262, 115983, 143598, 231966, 502593, 811881, 1005186, 1507779, 1623762, 3015558, 10554453, 21108906

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21108905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21108906 can be divided by 48 positive divisors. The sum of these divisors (counting 21108906) is 1, the average is 0.020833333333333.

Base conversion 21108906

Base System Value
2 Binary 1010000100001100010101010
3 Ternary 1110201102222100
4 Quaternary 1100201202222
5 Quinary 20400441111
6 Senary 2032234230
8 Octal 120414252
10 Decimal 21108906
12 Duodecimal 709b976
16 Hexadecimal 14218aa
20 Vigesimal 6bic56
36 Base36 ckfqi

Cryptographic Hash Functions

md5 d1510c72894afaf24af487c0b641af62
sha1 d5d9bd8213b14963e49f532366b6c6555b1a7481
sha256 83946f1915f1b1d45c913b33cab1b2cd1ab4ecf8ad80d6da34663803bbb9521c
sha512 b879a5cbf34f9e672bc60fb7f479e465f4c776a1e9060bd37bc1553e85e5ed52b819ca1073817f370a7bfbf9f3a66a932feb89f1dbb600f0c00f1f1f0c420a75
ripemd-160 c5f55aeb7399f8f0afa7955ebed8ecabbbb45814

21108906 as geometric shapes

Circle

Radius = n
Diameter 42217812
Circumference 132631168.02984
Area 1.399849429306E+15

Sphere

Radius = n
Volume 3.9399053356499E+22
Surface area 5.599397717224E+15
Circumference 132631168.02984

Square

Length = n
Perimeter 84435624
Area 445585912516836
Diagonal 29852501.152059

Cube

Length = n
Surface area 2673515475101016
Volume 9.4058311422421E+21
Space diagonal 36561697.684196

Equilateral Triangle

Length = n
Perimeter 63326718
Area 1.9294435990403E+14
Altitude 18280848.842098

Triangular Pyramid

Length = n
Surface area 1.9294435990403E+14
Volume 1.1084878305625E+21
Height 9950833.7173529