19998540 (number)

19998540 is an even 8-digits composite number following 19998539 and preceding 19998541. In scientific notation, it is written as 1.9998540 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 5332896 positive integers (up to 19998540) that are relatively prime to 19998540.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand five hundred forty

Notation

Scientific notation 1.9998540 × 10^7
Engineering notation 1.9998540 × 10^6

Prime Factorization of 19998540

Prime Factorization 2 × 2 × 9 × 5 × 111103

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9999270
Product of the distinct prime numbers

The prime factorization of 19998540 is 2 × 2 × 9 × 5 × 111103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 91, 11, 398, 709, 6785, 2043, 23102, 52192, 606351, 900808, 7186900, 2800299, 74268502, 76945705, 168791483, 538129124, 4404242152, 6313835824

Basic calculations (n = 19998540)

Multiplication

n×y
n×2 39997080
n×3 59995620
n×4 79994160
n×5 99992700

Division

n÷y
n÷2 9999270
n÷3 6666180
n÷3 4999635
n÷5 3999708

Exponentiation

ny
n2 399941602131600
n3 7.9982481278929E+21
n4 1.5995328511559E+29
n5 3.1988321705156E+36

Nth Root

y√n
2√n 4471.9727190581
3√n 271.43515641589
4√n 66.872810013174
5√n 28.85357683747

Divisors of 19998540

1, 2, 4, 5, 9, 10, 18, 20, 36, 45, 90, 180, 111103, 222206, 444412, 555515, 999927, 1111030, 1999854, 2222060, 3999708, 4999635, 9999270, 19998540

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 -19998539
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 19998540 can be divided by 24 positive divisors. The sum of these divisors (counting 19998540) is 1, the average is 0.041666666666667.

Base conversion 19998540

Base System Value
2 Binary 1001100010010011101001100
3 Ternary 1101122000211200
4 Quaternary 1030102131030
5 Quinary 20104423130
6 Senary 1552345500
8 Octal 114223514
10 Decimal 19998540
12 Duodecimal 6845290
16 Hexadecimal 131274c
20 Vigesimal 64jg70
36 Base36 bwmz0

Cryptographic Hash Functions

md5 57f45acfdbd5aee2b1d47e056332570e
sha1 39b97bd2621a22cc550145da20a990c7b7603fac
sha256 dbb094cc8a3245abf666243c1af0fa96fcd135d7e9ea855fbf087f604de80137
sha512 15194887a103f2093f746458e147c339b692a8cc1b64ebada0fc74842092fe51c2f7976593204b573a0eb3a668f39ec60d383f7095f9202daa9176f832f28bae
ripemd-160 998dc1d4158f99e2eb58b721adceec5e1b90ec0a

19998540 as geometric shapes

Circle

Radius = n
Diameter 39997080
Circumference 125654532.69304
Area 1.2564535991216E+15

Sphere

Radius = n
Volume 3.3502983413569E+22
Surface area 5.0258143964863E+15
Circumference 125654532.69304

Square

Length = n
Perimeter 79994160
Area 399941602131600
Diagonal 28282206.495661

Cube

Length = n
Surface area 2399649612789600
Volume 7.9982481278929E+21
Space diagonal 34638487.357198

Equilateral Triangle

Length = n
Perimeter 59995620
Area 1.7317979373811E+14
Altitude 17319243.678599

Triangular Pyramid

Length = n
Surface area 1.7317979373811E+14
Volume 9.4260258147428E+20
Height 9427402.1652203