19809938 (number)

19809938 is an even 8-digits composite number following 19809937 and preceding 19809939. In scientific notation, it is written as 1.9809938 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 9744000 positive integers (up to 19809938) that are relatively prime to 19809938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9809938 × 10^7
Engineering notation 1.9809938 × 10^6

Prime Factorization of 19809938

Prime Factorization 2 × 101 × 281 × 349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19809938
Product of the distinct prime numbers

The prime factorization of 19809938 is 2 × 101 × 281 × 349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19809938)

Multiplication

n×y
n×2 39619876
n×3 59429814
n×4 79239752
n×5 99049690

Division

n÷y
n÷2 9904969
n÷3 6603312.6666667
n÷3 4952484.5
n÷5 3961987.6

Exponentiation

ny
n2 392433643563844
n3 7.7740861481138E+21
n4 1.5400416460079E+29
n5 3.0508129524835E+36

Nth Root

y√n
2√n 4450.8356518748
3√n 270.57917738499
4√n 66.714583502221
5√n 28.798947973808

Divisors of 19809938

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 -19809937
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 19809938 can be divided by 16 positive divisors. The sum of these divisors (counting 19809938) is 1, the average is 0.0625.

Base conversion 19809938

Base System Value
2 Binary 1001011100100011010010010
3 Ternary 1101021110010102
4 Quaternary 1023210122102
5 Quinary 20032404223
6 Senary 1544332402
8 Octal 113443222
10 Decimal 19809938
12 Duodecimal 6774102
16 Hexadecimal 12e4692
20 Vigesimal 63g4gi
36 Base36 bslg2

Cryptographic Hash Functions

md5 026fed32280aaba2ab997ddb26ed2920
sha1 5136d9ad35fe7ce90e1360d35bf23efd6782d9f1
sha256 900c18c10833f7e570399580e5fa20b759ae735b37fda1a00002ad784770d128
sha512 c469685959fed186da586ca53964710ade7f42acee9fe1026e3ccfb9e2ce1ace92b91827a9d0613960d85cfa2f0d8d2e754a940622bdc66db554a6e2fa5df2a1
ripemd-160 849c12f2c4ed862e3a287ba2d5dc905dfe11a702

19809938 as geometric shapes

Circle

Radius = n
Diameter 39619876
Circumference 124469511.37774
Area 1.2328666516416E+15

Sphere

Radius = n
Volume 3.2564015908385E+22
Surface area 4.9314666065666E+15
Circumference 124469511.37774

Square

Length = n
Perimeter 79239752
Area 392433643563844
Diagonal 28015482.98937

Cube

Length = n
Surface area 2354601861383064
Volume 7.7740861481138E+21
Space diagonal 34311819.110789

Equilateral Triangle

Length = n
Perimeter 59429814
Area 1.6992875231299E+14
Altitude 17155909.555395

Triangular Pyramid

Length = n
Surface area 1.6992875231299E+14
Volume 9.1618483880995E+20
Height 9338494.3297901