20101908 (number)

20101908 is an even 8-digits composite number following 20101907 and preceding 20101909. In scientific notation, it is written as 2.0101908 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 6357120 positive integers (up to 20101908) that are relatively prime to 20101908.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand nine hundred eight

Notation

Scientific notation 2.0101908 × 10^7
Engineering notation 2.0101908 × 10^6

Prime Factorization of 20101908

Prime Factorization 2 × 2 × 23 × 3 × 173 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10050954
Product of the distinct prime numbers

The prime factorization of 20101908 is 2 × 2 × 23 × 3 × 173 × 421. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101908)

Multiplication

n×y
n×2 40203816
n×3 60305724
n×4 80407632
n×5 100509540

Division

n÷y
n÷2 10050954
n÷3 6700636
n÷3 5025477
n÷5 4020381.6

Exponentiation

ny
n2 404086705240464
n3 8.1229137727669E+21
n4 1.6328606535209E+29
n5 3.2823614633898E+36

Nth Root

y√n
2√n 4483.5151388169
3√n 271.90201560054
4√n 66.959055689405
5√n 28.883342901978

Divisors of 20101908

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 -20101907
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 20101908 can be divided by 48 positive divisors. The sum of these divisors (counting 20101908) is 1, the average is 0.020833333333333.

Base conversion 20101908

Base System Value
2 Binary 1001100101011101100010100
3 Ternary 1101211021122010
4 Quaternary 1030223230110
5 Quinary 20121230113
6 Senary 1554504220
8 Octal 114535424
10 Decimal 20101908
12 Duodecimal 6895070
16 Hexadecimal 132bb14
20 Vigesimal 65cef8
36 Base36 byuqc

Cryptographic Hash Functions

md5 64efd45957c73af9cb62d4210f824872
sha1 110c4f1ff539b18ee628322e9c3df07980b0347f
sha256 12a7c3090e57a5459114699cbe0659dd961697137aae1fdddd716242afd2e466
sha512 201a8e405a8f7c00a749b5c496242f2d71d7c9f486fa3d2173e18d2cf1008b33b3f0db7d03c0494e8e2127792ccd1e8aac6bf28a17bd0f46574f1979c304c280
ripemd-160 bf0982f3b155050b8000eeb2de4e17eac2c0d6a5

20101908 as geometric shapes

Circle

Radius = n
Diameter 40203816
Circumference 126304012.99188
Area 1.2694758245967E+15

Sphere

Radius = n
Volume 3.4025181645691E+22
Surface area 5.077903298387E+15
Circumference 126304012.99188

Square

Length = n
Perimeter 80407632
Area 404086705240464
Diagonal 28428390.923176

Cube

Length = n
Surface area 2424520231442784
Volume 8.1229137727669E+21
Space diagonal 34817525.985075

Equilateral Triangle

Length = n
Perimeter 60305724
Area 1.749746760349E+14
Altitude 17408762.992538

Triangular Pyramid

Length = n
Surface area 1.749746760349E+14
Volume 9.5729456861952E+20
Height 9476130.3077254