19988081 (number)

19988081 is an odd 8-digits composite number following 19988080 and preceding 19988082. In scientific notation, it is written as 1.9988081 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 19060272 positive integers (up to 19988081) that are relatively prime to 19988081.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-eight thousand eighty-one

Notation

Scientific notation 1.9988081 × 10^7
Engineering notation 1.9988081 × 10^6

Prime Factorization of 19988081

Prime Factorization 2293 × 23 × 379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19988081
Product of the distinct prime numbers

The prime factorization of 19988081 is 2293 × 23 × 379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 11, 21, 681, 71, 1024, 8813, 78970, 92177, 833343, 972434, 1382175, 1309185, 23592139, 66883464, 953808666, 84839198, 446940631, 7205828462

Basic calculations (n = 19988081)

Multiplication

n×y
n×2 39976162
n×3 59964243
n×4 79952324
n×5 99940405

Division

n÷y
n÷2 9994040.5
n÷3 6662693.6666667
n÷3 4997020.25
n÷5 3997616.2

Exponentiation

ny
n2 399523382062561
n3 7.9857057220604E+21
n4 1.5961893281471E+29
n5 3.1904761582339E+36

Nth Root

y√n
2√n 4470.8031716907
3√n 271.3878290384
4√n 66.864064875617
5√n 28.850558190001

Divisors of 19988081

1, 23, 379, 2293, 8717, 52739, 869047, 19988081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19988080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19988081 can be divided by 8 positive divisors. The sum of these divisors (counting 19988081) is 1, the average is 0.125.

Base conversion 19988081

Base System Value
2 Binary 1001100001111111001110001
3 Ternary 1101121111111022
4 Quaternary 1030033321301
5 Quinary 20104104311
6 Senary 1552225225
8 Octal 114177161
10 Decimal 19988081
12 Duodecimal 683b215
16 Hexadecimal 130fe71
20 Vigesimal 64ia41
36 Base36 bwewh

Cryptographic Hash Functions

md5 2e3c0cfe58d4af28f50e359c6d4fb202
sha1 d9d142371f07d00cd39e38ed7315a642661f5da5
sha256 8b5fbfe6ccee4a0c7f17d776404221d11e56dfd36a592988b527a2453aed00f7
sha512 f06481ad798f9a88591d99c12d825a3278f9ae89b9ccf8d14f787680ac58ce8125d572735e6d8e4bcd9d6025ff7bcb434924bfd32b7e2ecaf66fe90a94d77e23
ripemd-160 4a00e283a789a789ea2e0de44a37130507954887

19988081 as geometric shapes

Circle

Radius = n
Diameter 39976162
Circumference 125588816.85792
Area 1.2551397220251E+15

Sphere

Radius = n
Volume 3.3450445906873E+22
Surface area 5.0205588881004E+15
Circumference 125588816.85792

Square

Length = n
Perimeter 79952324
Area 399523382062561
Diagonal 28267415.236012

Cube

Length = n
Surface area 2397140292375366
Volume 7.9857057220604E+21
Space diagonal 34620371.837802

Equilateral Triangle

Length = n
Perimeter 59964243
Area 1.7299869913603E+14
Altitude 17310185.918901

Triangular Pyramid

Length = n
Surface area 1.7299869913603E+14
Volume 9.4112444477152E+20
Height 9422471.7453373