19902442 (number)

19902442 is an even 8-digits composite number following 19902441 and preceding 19902443. In scientific notation, it is written as 1.9902442 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8529612 positive integers (up to 19902442) that are relatively prime to 19902442.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand four hundred forty-two

Notation

Scientific notation 1.9902442 × 10^7
Engineering notation 1.9902442 × 10^6

Prime Factorization of 19902442

Prime Factorization 2 × 7 × 1421603

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19902442
Product of the distinct prime numbers

The prime factorization of 19902442 is 2 × 7 × 1421603. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902442)

Multiplication

n×y
n×2 39804884
n×3 59707326
n×4 79609768
n×5 99512210

Division

n÷y
n÷2 9951221
n÷3 6634147.3333333
n÷3 4975610.5
n÷5 3980488.4

Exponentiation

ny
n2 396107197563364
n3 7.8835005252874E+21
n4 1.569009119615E+29
n5 3.1227113000609E+36

Nth Root

y√n
2√n 4461.2153052728
3√n 270.99968682307
4√n 66.792329688915
5√n 28.82579364941

Divisors of 19902442

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 -19902441
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 19902442 can be divided by 8 positive divisors. The sum of these divisors (counting 19902442) is 1, the average is 0.125.

Base conversion 19902442

Base System Value
2 Binary 1001011111010111111101010
3 Ternary 1101110011000111
4 Quaternary 1023322333222
5 Quinary 20043334232
6 Senary 1550324534
8 Octal 113727752
10 Decimal 19902442
12 Duodecimal 67b974a
16 Hexadecimal 12fafea
20 Vigesimal 647g22
36 Base36 buktm

Cryptographic Hash Functions

md5 a9acf29f80c959ced817a16cc597d176
sha1 2435c7682b2e6cc71cda247e80f0bf00ae0c4128
sha256 ba91e221c1e3ebb641066122f1bd6ee363f557411912b00f371607d8a1b702ff
sha512 e2f45aa5d1902fcb3f46de66f51ca21f30a8faa4e0f13fb6b8d3aca026c452cfa952f284a260a3547e89e08e0b2157eb11553a764a7d8f36ece3d2f017b21619
ripemd-160 31d5f43c317d8ffaf9efb1f33692e1c6296ae976

19902442 as geometric shapes

Circle

Radius = n
Diameter 39804884
Circumference 125050731.15139
Area 1.2444074618991E+15

Sphere

Radius = n
Volume 3.3022329779752E+22
Surface area 4.9776298475964E+15
Circumference 125050731.15139

Square

Length = n
Perimeter 79609768
Area 396107197563364
Diagonal 28146303.400744

Cube

Length = n
Surface area 2376643185380184
Volume 7.8835005252874E+21
Space diagonal 34472040.738693

Equilateral Triangle

Length = n
Perimeter 59707326
Area 1.7151944785587E+14
Altitude 17236020.369346

Triangular Pyramid

Length = n
Surface area 1.7151944785587E+14
Volume 9.2907944681974E+20
Height 9382101.1335813