19994990 (number)

19994990 is an even 8-digits composite number following 19994989 and preceding 19994991. In scientific notation, it is written as 1.9994990 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 7997992 positive integers (up to 19994990) that are relatively prime to 19994990.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-four thousand nine hundred ninety

Notation

Scientific notation 1.9994990 × 10^7
Engineering notation 1.9994990 × 10^6

Prime Factorization of 19994990

Prime Factorization 2 × 5 × 1999499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19994990
Product of the distinct prime numbers

The prime factorization of 19994990 is 2 × 5 × 1999499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 86, 36, 309, 130, 3929, 6596, 22856, 86331, 195981, 829834, 5862149, 4346882, 2096664, 94534612, 762425890, 703725721, 4170749382, 260577761

Basic calculations (n = 19994990)

Multiplication

n×y
n×2 39989980
n×3 59984970
n×4 79979960
n×5 99974950

Division

n÷y
n÷2 9997495
n÷3 6664996.6666667
n÷3 4998747.5
n÷5 3998998

Exponentiation

ny
n2 399799625100100
n3 7.9939895058802E+21
n4 1.5983974023018E+29
n5 3.1959940075051E+36

Nth Root

y√n
2√n 4471.5757848884
3√n 271.41909437957
4√n 66.869842118016
5√n 28.852552387969

Divisors of 19994990

1, 2, 5, 10, 1999499, 3998998, 9997495, 19994990

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 -19994989
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 19994990 can be divided by 8 positive divisors. The sum of these divisors (counting 19994990) is 1, the average is 0.125.

Base conversion 19994990

Base System Value
2 Binary 1001100010001100101101110
3 Ternary 1101121211222012
4 Quaternary 1030101211232
5 Quinary 20104314430
6 Senary 1552321222
8 Octal 114214556
10 Decimal 19994990
12 Duodecimal 6843212
16 Hexadecimal 131196e
20 Vigesimal 64j79a
36 Base36 bwk8e

Cryptographic Hash Functions

md5 7027c5ec149646f847e8d6129c853162
sha1 9333f3b84cda6b692fc354d44875a18a96b7e76c
sha256 25ea4c4384f28fdba4c3c1fecc87a90678a60dd94d0ab8a8e2802732d9e0ccdb
sha512 6fd9f1accb247c1efcb2ed8c9abec1cb8a53d71554f8797c786c14d21dec457bff8268ddf03dd65e50d25bd8ac6dba384b681ee95556e05220b9b262540e7caa
ripemd-160 7f865e24f102f663396bb34b845cfda0f1d3d6d1

19994990 as geometric shapes

Circle

Radius = n
Diameter 39989980
Circumference 125632227.3852
Area 1.2560075651224E+15

Sphere

Radius = n
Volume 3.3485144939396E+22
Surface area 5.0240302604897E+15
Circumference 125632227.3852

Square

Length = n
Perimeter 79979960
Area 399799625100100
Diagonal 28277186.037514

Cube

Length = n
Surface area 2398797750600600
Volume 7.9939895058802E+21
Space diagonal 34632338.576832

Equilateral Triangle

Length = n
Perimeter 59984970
Area 1.7311831588009E+14
Altitude 17316169.288416

Triangular Pyramid

Length = n
Surface area 1.7311831588009E+14
Volume 9.42100698057E+20
Height 9425728.6791715