20001908 (number)

20001908 is an even 8-digits composite number following 20001907 and preceding 20001909. In scientific notation, it is written as 2.0001908 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 9474552 positive integers (up to 20001908) that are relatively prime to 20001908.

Interesting facts

Basic properties

Name

Name twenty million one thousand nine hundred eight

Notation

Scientific notation 2.0001908 × 10^7
Engineering notation 2.0001908 × 10^6

Prime Factorization of 20001908

Prime Factorization 2 × 2 × 19 × 263183

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10000954
Product of the distinct prime numbers

The prime factorization of 20001908 is 2 × 2 × 19 × 263183. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001908)

Multiplication

n×y
n×2 40003816
n×3 60005724
n×4 80007632
n×5 100009540

Division

n÷y
n÷2 10000954
n÷3 6667302.6666667
n÷3 5000477
n÷5 4000381.6

Exponentiation

ny
n2 400076323640464
n3 8.0022898184348E+21
n4 1.6006106473767E+29
n5 3.2015266912649E+36

Nth Root

y√n
2√n 4472.3492707972
3√n 271.45039323303
4√n 66.875625386214
5√n 28.854548631421

Divisors of 20001908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001908 can be divided by 12 positive divisors. The sum of these divisors (counting 20001908) is 1, the average is 0.083333333333333.

Base conversion 20001908

Base System Value
2 Binary 1001100010011010001110100
3 Ternary 1101122012110102
4 Quaternary 1030103101310
5 Quinary 20110030113
6 Senary 1552413232
8 Octal 114232164
10 Decimal 20001908
12 Duodecimal 6847218
16 Hexadecimal 1313474
20 Vigesimal 6504f8
36 Base36 bwpkk

Cryptographic Hash Functions

md5 cab865f5d71423253e25196c4720f4d9
sha1 029bd2e10b2ef33a23b9ef4b469874242e2f7126
sha256 0482f3194bea8cb8d097e5664e835daa91048a57d8227671ea770ca6878cb11a
sha512 1c83f82782d1f4ae641a55a0d17d96de9282436be7aaf56f684f7a20368fa7cea1be775e0c8a927256d8de5157dda07df4e0e828f9d8e4e92af61cb67cb1156e
ripemd-160 a87115a17ded43ab27a46565ca4756a280d7378d

20001908 as geometric shapes

Circle

Radius = n
Diameter 40003816
Circumference 125675694.46116
Area 1.2568768392241E+15

Sphere

Radius = n
Volume 3.3519913207321E+22
Surface area 5.0275073568964E+15
Circumference 125675694.46116

Square

Length = n
Perimeter 80007632
Area 400076323640464
Diagonal 28286969.566939

Cube

Length = n
Surface area 2400457941842784
Volume 8.0022898184348E+21
Space diagonal 34644320.904318

Equilateral Triangle

Length = n
Perimeter 60005724
Area 1.7323812986266E+14
Altitude 17322160.452159

Triangular Pyramid

Length = n
Surface area 1.7323812986266E+14
Volume 9.4307889927255E+20
Height 9428989.8556463