19908081 (number)

19908081 is an odd 8-digits composite number following 19908080 and preceding 19908082. In scientific notation, it is written as 1.9908081 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13272048 positive integers (up to 19908081) that are relatively prime to 19908081.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eight thousand eighty-one

Notation

Scientific notation 1.9908081 × 10^7
Engineering notation 1.9908081 × 10^6

Prime Factorization of 19908081

Prime Factorization 9 × 2212009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19908081
Product of the distinct prime numbers

The prime factorization of 19908081 is 9 × 2212009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 28, 41, 424, 574, 7873, 9659, 58562, 21614, 886027, 305684, 4127123, 2243201, 65744658, 3400976, 563020818, 650035287, 287611758, 7385681532

Basic calculations (n = 19908081)

Multiplication

n×y
n×2 39816162
n×3 59724243
n×4 79632324
n×5 99540405

Division

n÷y
n÷2 9954040.5
n÷3 6636027
n÷3 4977020.25
n÷5 3981616.2

Exponentiation

ny
n2 396331689102561
n3 7.8902033695206E+21
n4 1.5707880778689E+29
n5 3.1271376288048E+36

Nth Root

y√n
2√n 4461.847263186
3√n 271.02527870656
4√n 66.797060288503
5√n 28.827426918648

Divisors of 19908081

1, 9, 2212009, 19908081

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 -19908080
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 19908081 can be divided by 4 positive divisors. The sum of these divisors (counting 19908081) is 1, the average is 0.25.

Base conversion 19908081

Base System Value
2 Binary 1001011111100010111110001
3 Ternary 1101110102202100
4 Quaternary 1023330113301
5 Quinary 20044024311
6 Senary 1550411013
8 Octal 113742761
10 Decimal 19908081
12 Duodecimal 6800a69
16 Hexadecimal 12fc5f1
20 Vigesimal 648a41
36 Base36 bup69

Cryptographic Hash Functions

md5 0771569bfa114526a95550d1812c84b1
sha1 5e65b7d7a427cda2e407637c8ccc0f1e44414274
sha256 dc3f44889742d13dc2b4d3ea056e4427158639ff574beb78e2b9649839a10005
sha512 d3eb26bd4f391b87ca8aff2305aba58a942a44eb465bd23804b9332214f222d0753f800d8fd9e9e60ebf5072e9dad72e3b9146a522b6f943061eb4c6c6ec0457
ripemd-160 2d482bd063a9670ae59f25bd454d0a9a025febf1

19908081 as geometric shapes

Circle

Radius = n
Diameter 39816162
Circumference 125086162.03334
Area 1.2451127228694E+15

Sphere

Radius = n
Volume 3.305040658802E+22
Surface area 4.9804508914778E+15
Circumference 125086162.03334

Square

Length = n
Perimeter 79632324
Area 396331689102561
Diagonal 28154278.151022

Cube

Length = n
Surface area 2377990134615366
Volume 7.8902033695206E+21
Space diagonal 34481807.773197

Equilateral Triangle

Length = n
Perimeter 59724243
Area 1.7161665554381E+14
Altitude 17240903.886598

Triangular Pyramid

Length = n
Surface area 1.7161665554381E+14
Volume 9.2986938458816E+20
Height 9384759.383674