19902009 (number)

19902009 is an odd 8-digits composite number following 19902008 and preceding 19902010. In scientific notation, it is written as 1.9902009 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12900240 positive integers (up to 19902009) that are relatively prime to 19902009.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand nine

Notation

Scientific notation 1.9902009 × 10^7
Engineering notation 1.9902009 × 10^6

Prime Factorization of 19902009

Prime Factorization 3 × 739 × 47 × 191

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902009
Product of the distinct prime numbers

The prime factorization of 19902009 is 3 × 739 × 47 × 191. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902009)

Multiplication

n×y
n×2 39804018
n×3 59706027
n×4 79608036
n×5 99510045

Division

n÷y
n÷2 9951004.5
n÷3 6634003
n÷3 4975502.25
n÷5 3980401.8

Exponentiation

ny
n2 396089962236081
n3 7.8829859932321E+21
n4 1.5688725818418E+29
n5 3.1223716243669E+36

Nth Root

y√n
2√n 4461.1667756317
3√n 270.99772150787
4√n 66.791966400396
5√n 28.825668220809

Divisors of 19902009

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19902008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19902009 can be divided by 16 positive divisors. The sum of these divisors (counting 19902009) is 1, the average is 0.0625.

Base conversion 19902009

Base System Value
2 Binary 1001011111010111000111001
3 Ternary 1101110010102110
4 Quaternary 1023322320321
5 Quinary 20043331014
6 Senary 1550322533
8 Octal 113727071
10 Decimal 19902009
12 Duodecimal 67b9449
16 Hexadecimal 12fae39
20 Vigesimal 647f09
36 Base36 bukhl

Cryptographic Hash Functions

md5 e032bded225e30f6ca02e4d70ae1a94e
sha1 71d3f96c16ae0547400f4c62cfc06a404e7d771e
sha256 e931b3906b9bb24d0b035dbaa3115bd8e94df84ba676b9ededc457c19c8d5b5c
sha512 c88610e7151646b5a0bcd02fa3b817a6e3d18449e2239a741394bd7d22b21ac96f3c568ee86d12ac5467dc07835541993c5293bac4c5e6865699221d0e24c5b2
ripemd-160 17ac84a6849836a46023a3bcdd12327d27b9b224

19902009 as geometric shapes

Circle

Radius = n
Diameter 39804018
Circumference 125048010.53216
Area 1.2443533155215E+15

Sphere

Radius = n
Volume 3.3020174512919E+22
Surface area 4.9774132620861E+15
Circumference 125048010.53216

Square

Length = n
Perimeter 79608036
Area 396089962236081
Diagonal 28145691.046271

Cube

Length = n
Surface area 2376539773416486
Volume 7.8829859932321E+21
Space diagonal 34471290.760693

Equilateral Triangle

Length = n
Perimeter 59706027
Area 1.7151198474023E+14
Altitude 17235645.380347

Triangular Pyramid

Length = n
Surface area 1.7151198474023E+14
Volume 9.290188086355E+20
Height 9381897.0154238