19902 (number)

19902 is an even 5-digits composite number following 19901 and preceding 19903. In scientific notation, it is written as 1.9902 × 10^4. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6360 positive integers (up to 19902) that are relatively prime to 19902.

Interesting facts

Basic properties

Name

Name nineteen thousand nine hundred two

Notation

Scientific notation 1.9902 × 10^4
Engineering notation 1.9902 × 10^3

Prime Factorization of 19902

Prime Factorization 2 × 3 × 31 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902
Product of the distinct prime numbers

The prime factorization of 19902 is 2 × 3 × 31 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 53, 92, 823, 669, 4237, 8865, 77405, 11462, 484588, 309806, 9693209, 476695, 11787374, 67965142, 622319065, 258589834, 1872837346, 1198630989

Basic calculations (n = 19902)

Multiplication

n×y
n×2 39804
n×3 59706
n×4 79608
n×5 99510

Division

n÷y
n÷2 9951
n÷3 6634
n÷3 4975.5
n÷5 3980.4

Exponentiation

ny
n2 396089604
n3 7882975298808
n4 156886974396876816
n5 3.1223645644466E+21

Nth Root

y√n
2√n 141.07444843061
3√n 27.099768065806
4√n 11.877476517788
5√n 7.2406798334348

Divisors of 19902

1, 2, 3, 6, 31, 62, 93, 107, 186, 214, 321, 642, 3317, 6634, 9951, 19902

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 -19901
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 19902 can be divided by 16 positive divisors. The sum of these divisors (counting 19902) is 1, the average is 0.0625.

Base conversion 19902

Base System Value
2 Binary 100110110111110
3 Ternary 1000022010
4 Quaternary 10312332
5 Quinary 1114102
6 Senary 232050
8 Octal 46676
10 Decimal 19902
12 Duodecimal b626
16 Hexadecimal 4dbe
20 Vigesimal 29f2
36 Base36 fcu

Cryptographic Hash Functions

md5 b353d984bb7fcc173edea010bd999b98
sha1 2c74c0604bc594216781127bb5f3a66a86eaff98
sha256 a469adc1841f55f91fd58126825365eaf0165e515c25dd0d9ecbcc730c524aa8
sha512 6304c9efdfef257cf7e0067b4ce30f4ee704773a3cac800ef0c5bb8cb12ab5a33feb7ef7b03313e2aefe7384e80b6adb820ab9e8fdaeb8eaddb5d19d1eabde22
ripemd-160 7fcf1c322fe21e8dae3cf57a4c269cc1f496dd52

19902 as geometric shapes

Circle

Radius = n
Diameter 39804
Circumference 125047.95398349
Area 1244352190.0897

Sphere

Radius = n
Volume 33020129716220
Surface area 4977408760.3588
Circumference 125047.95398349

Square

Length = n
Perimeter 79608
Area 396089604
Diagonal 28145.678318349

Cube

Length = n
Surface area 2376537624
Volume 7882975298808
Space diagonal 34471.275172236

Equilateral Triangle

Length = n
Perimeter 59706
Area 171511829.61946
Altitude 17235.637586118

Triangular Pyramid

Length = n
Surface area 171511829.61946
Volume 929017548285.53
Height 9381.8927727831