20108921 (number)

20108921 is an odd 8-digits composite number following 20108920 and preceding 20108922. In scientific notation, it is written as 2.0108921 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 17236212 positive integers (up to 20108921) that are relatively prime to 20108921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0108921 × 10^7
Engineering notation 2.0108921 × 10^6

Prime Factorization of 20108921

Prime Factorization 7 × 2872703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20108921
Product of the distinct prime numbers

The prime factorization of 20108921 is 7 × 2872703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20108921)

Multiplication

n×y
n×2 40217842
n×3 60326763
n×4 80435684
n×5 100544605

Division

n÷y
n÷2 10054460.5
n÷3 6702973.6666667
n÷3 5027230.25
n÷5 4021784.2

Exponentiation

ny
n2 404368703784241
n3 8.1314183192697E+21
n4 1.6351404860015E+29
n5 3.2880910856905E+36

Nth Root

y√n
2√n 4484.297157861
3√n 271.93363162309
4√n 66.9648949664
5√n 28.885357940777

Divisors of 20108921

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 -20108920
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 20108921 can be divided by 4 positive divisors. The sum of these divisors (counting 20108921) is 1, the average is 0.25.

Base conversion 20108921

Base System Value
2 Binary 1001100101101011001111001
3 Ternary 1101211122020212
4 Quaternary 1030231121321
5 Quinary 20121441141
6 Senary 1555000505
8 Octal 114553171
10 Decimal 20108921
12 Duodecimal 6899135
16 Hexadecimal 132d679
20 Vigesimal 65dc61
36 Base36 bz055

Cryptographic Hash Functions

md5 0b08432a429b7de9d7d36aa50b865edc
sha1 d2521a69d38252be4bcc82dda9e886b93dd66ad9
sha256 b3a1230cc5abd6c0f75133d6a282b7cf5eadc70d42a900dda2256e9e4c2711a7
sha512 525fea63aa3ea4f5bd746696b8f0d25123864878a71947d29e26c91314fbb155ac26905351bf4434ebc641c6edd82562964c655ec519d3c4616c9a69f47c6d51
ripemd-160 52bd811e92e6327d4d3a5eac24042c5304f6fc81

20108921 as geometric shapes

Circle

Radius = n
Diameter 40217842
Circumference 126348076.97044
Area 1.2703617491502E+15

Sphere

Radius = n
Volume 3.4060805406778E+22
Surface area 5.0814469966008E+15
Circumference 126348076.97044

Square

Length = n
Perimeter 80435684
Area 404368703784241
Diagonal 28438308.802889

Cube

Length = n
Surface area 2426212222705446
Volume 8.1314183192697E+21
Space diagonal 34829672.857389

Equilateral Triangle

Length = n
Perimeter 60326763
Area 1.7509678498627E+14
Altitude 17414836.428694

Triangular Pyramid

Length = n
Surface area 1.7509678498627E+14
Volume 9.5829683903669E+20
Height 9479436.2676297