19938081 (number)

19938081 is an odd 8-digits composite number following 19938080 and preceding 19938082. In scientific notation, it is written as 1.9938081 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13278672 positive integers (up to 19938081) that are relatively prime to 19938081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9938081 × 10^7
Engineering notation 1.9938081 × 10^6

Prime Factorization of 19938081

Prime Factorization 3 × 1213 × 5479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19938081
Product of the distinct prime numbers

The prime factorization of 19938081 is 3 × 1213 × 5479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19938081)

Multiplication

n×y
n×2 39876162
n×3 59814243
n×4 79752324
n×5 99690405

Division

n÷y
n÷2 9969040.5
n÷3 6646027
n÷3 4984520.25
n÷5 3987616.2

Exponentiation

ny
n2 397527073962561
n3 7.9259270003585E+21
n4 1.5802777453324E+29
n5 3.1507705688934E+36

Nth Root

y√n
2√n 4465.2078339087
3√n 271.16134870459
4√n 66.822210633207
5√n 28.836109844832

Divisors of 19938081

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 -19938080
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 19938081 can be divided by 8 positive divisors. The sum of these divisors (counting 19938081) is 1, the average is 0.125.

Base conversion 19938081

Base System Value
2 Binary 1001100000011101100100001
3 Ternary 1101111221220110
4 Quaternary 1030003230201
5 Quinary 20101004311
6 Senary 1551201533
8 Octal 114035441
10 Decimal 19938081
12 Duodecimal 68162a9
16 Hexadecimal 1303b21
20 Vigesimal 64c541
36 Base36 bvcbl

Cryptographic Hash Functions

md5 7c851ac7dc3360cb45e73278dd1a84d1
sha1 ae4d7daadf40f5f90d0491ca4a72786dd5ae6338
sha256 39c60ed0cdf546d31359cb97bfbf0a67a3871148a9cf1200e73503f578b5c11a
sha512 3bd04651c5e8380cf8062c2e7b2b823cba599f29069efc8a8624b92068a0825a8a50a35552d91d4236e962c213bcd792cf3494cb84b06ab3bee28b392e690be5
ripemd-160 3e8f5a476fb324fe71c9e5ceaa9272f4c6520e30

19938081 as geometric shapes

Circle

Radius = n
Diameter 39876162
Circumference 125274657.59256
Area 1.2488681351638E+15

Sphere

Radius = n
Volume 3.3200045382954E+22
Surface area 4.9954725406553E+15
Circumference 125274657.59256

Square

Length = n
Perimeter 79752324
Area 397527073962561
Diagonal 28196704.557893

Cube

Length = n
Surface area 2385162443775366
Volume 7.9259270003585E+21
Space diagonal 34533769.297424

Equilateral Triangle

Length = n
Perimeter 59814243
Area 1.7213427237184E+14
Altitude 17266884.648712

Triangular Pyramid

Length = n
Surface area 1.7213427237184E+14
Volume 9.3407945485718E+20
Height 9398901.5192978