19902388 (number)

19902388 is an even 8-digits composite number following 19902387 and preceding 19902389. In scientific notation, it is written as 1.9902388 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 8997120 positive integers (up to 19902388) that are relatively prime to 19902388.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand three hundred eighty-eight

Notation

Scientific notation 1.9902388 × 10^7
Engineering notation 1.9902388 × 10^6

Prime Factorization of 19902388

Prime Factorization 2 × 2 × 11 × 199 × 2273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9951194
Product of the distinct prime numbers

The prime factorization of 19902388 is 2 × 2 × 11 × 199 × 2273. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 99, 70, 508, 220, 3815, 1190, 37047, 38136, 853581, 69221, 757200, 8375021, 98523480, 74372892, 419081185, 139509236, 5515454464, 2364347082

Basic calculations (n = 19902388)

Multiplication

n×y
n×2 39804776
n×3 59707164
n×4 79609552
n×5 99511940

Division

n÷y
n÷2 9951194
n÷3 6634129.3333333
n÷3 4975597
n÷5 3980477.6

Exponentiation

ny
n2 396105048102544
n3 7.8834363560955E+21
n4 1.5689920913232E+29
n5 3.1226689370446E+36

Nth Root

y√n
2√n 4461.2092531062
3√n 270.99944172758
4√n 66.792284383049
5√n 28.825778007163

Divisors of 19902388

1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2273, 4378, 4546, 8756, 9092, 25003, 50006, 100012, 452327, 904654, 1809308, 4975597, 9951194, 19902388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19902387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19902388 can be divided by 24 positive divisors. The sum of these divisors (counting 19902388) is 1, the average is 0.041666666666667.

Base conversion 19902388

Base System Value
2 Binary 1001011111010111110110100
3 Ternary 1101110010221111
4 Quaternary 1023322332310
5 Quinary 20043334023
6 Senary 1550324404
8 Octal 113727664
10 Decimal 19902388
12 Duodecimal 67b9704
16 Hexadecimal 12fafb4
20 Vigesimal 647fj8
36 Base36 buks4

Cryptographic Hash Functions

md5 f59a7c5d071296f7ffa5861d128c06bf
sha1 705cb8adc8358775c34940def76c398765ac771f
sha256 e8f09a4d0781ff291cebcb999208e9f754a010f092bc143def910f8d94d32930
sha512 08d113eef238dfc31026ca71bae12c8be3ce2df2c4e1b774a659a07fec8214666fab4a7faaaa773f30a4f33788638489a9ca25f64c925d13457ca2d5620dbb0c
ripemd-160 b30917fc2d0ba7e0357af4e81be706aeb1fb00f3

19902388 as geometric shapes

Circle

Radius = n
Diameter 39804776
Circumference 125050391.85939
Area 1.2444007091688E+15

Sphere

Radius = n
Volume 3.302206098847E+22
Surface area 4.9776028366751E+15
Circumference 125050391.85939

Square

Length = n
Perimeter 79609552
Area 396105048102544
Diagonal 28146227.033212

Cube

Length = n
Surface area 2376630288615264
Volume 7.8834363560955E+21
Space diagonal 34471947.207949

Equilateral Triangle

Length = n
Perimeter 59707164
Area 1.7151851711203E+14
Altitude 17235973.603975

Triangular Pyramid

Length = n
Surface area 1.7151851711203E+14
Volume 9.2907188440795E+20
Height 9382075.6777372