19909989 (number)

19909989 is an odd 8-digits composite number following 19909988 and preceding 19909990. In scientific notation, it is written as 1.9909989 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 11778480 positive integers (up to 19909989) that are relatively prime to 19909989.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred nine thousand nine hundred eighty-nine

Notation

Scientific notation 1.9909989 × 10^7
Engineering notation 1.9909989 × 10^6

Prime Factorization of 19909989

Prime Factorization 33 × 9 × 43 × 1559

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19909989
Product of the distinct prime numbers

The prime factorization of 19909989 is 33 × 9 × 43 × 1559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 37, 21, 492, 638, 1380, 2394, 56954, 70212, 511856, 606462, 9344692, 8195272, 45911749, 36963894, 119287454, 858225965, 6886191397, 7571575795

Basic calculations (n = 19909989)

Multiplication

n×y
n×2 39819978
n×3 59729967
n×4 79639956
n×5 99549945

Division

n÷y
n÷2 9954994.5
n÷3 6636663
n÷3 4977497.25
n÷5 3981997.8

Exponentiation

ny
n2 396407661980121
n3 7.8924721895399E+21
n4 1.5713903447655E+29
n5 3.1286364478986E+36

Nth Root

y√n
2√n 4462.0610708506
3√n 271.03393682739
4√n 66.798660696533
5√n 28.827979464342

Divisors of 19909989

1, 9, 33, 43, 297, 387, 1419, 1559, 12771, 14031, 51447, 67037, 463023, 603333, 2212221, 19909989

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 -19909988
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 19909989 can be divided by 16 positive divisors. The sum of these divisors (counting 19909989) is 1, the average is 0.0625.

Base conversion 19909989

Base System Value
2 Binary 1001011111100110101100101
3 Ternary 1101110112101000
4 Quaternary 1023330311211
5 Quinary 20044104424
6 Senary 1550423513
8 Octal 113746545
10 Decimal 19909989
12 Duodecimal 6801b99
16 Hexadecimal 12fcd65
20 Vigesimal 648ej9
36 Base36 buqn9

Cryptographic Hash Functions

md5 b2751f7570a9fd9a303deffbf88ecab0
sha1 06781e33e0063d3bd81132299538f133ba99973d
sha256 743bb863175c8166707aedff2b3fce28ceaf49efd8baedc2283940b632303074
sha512 5c0c761a9fdc9b37f8702b45ba3b641d3424f841dc306b2c86776a6286bc70e6b791e230eb191e840d0ec4455a9058d3edb73c7ee18df6512c7e2311c8a6232d
ripemd-160 b76dc3fac42141f5d9b30fd698fb5ccbcbf7c9fb

19909989 as geometric shapes

Circle

Radius = n
Diameter 39819978
Circumference 125098150.35091
Area 1.2453513987035E+15

Sphere

Radius = n
Volume 3.3059910199094E+22
Surface area 4.9814055948138E+15
Circumference 125098150.35091

Square

Length = n
Perimeter 79639956
Area 396407661980121
Diagonal 28156976.470499

Cube

Length = n
Surface area 2378445971880726
Volume 7.8924721895399E+21
Space diagonal 34485112.526137

Equilateral Triangle

Length = n
Perimeter 59729967
Area 1.7164955276479E+14
Altitude 17242556.263069

Triangular Pyramid

Length = n
Surface area 1.7164955276479E+14
Volume 9.3013676759165E+20
Height 9385658.8234997