19989940 (number)

19989940 is an even 8-digits composite number following 19989939 and preceding 19989941. In scientific notation, it is written as 1.9989940 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 7975968 positive integers (up to 19989940) that are relatively prime to 19989940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9989940 × 10^7
Engineering notation 1.9989940 × 10^6

Prime Factorization of 19989940

Prime Factorization 2 × 2 × 5 × 499 × 2003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9994970
Product of the distinct prime numbers

The prime factorization of 19989940 is 2 × 2 × 5 × 499 × 2003. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 100, 18, 194, 385, 8998, 1664, 64514, 38060, 214325, 757763, 4445218, 2498956, 39124233, 48699321, 112963502, 291776304, 7245797127, 7945415594

Basic calculations (n = 19989940)

Multiplication

n×y
n×2 39979880
n×3 59969820
n×4 79959760
n×5 99949700

Division

n÷y
n÷2 9994970
n÷3 6663313.3333333
n÷3 4997485
n÷5 3997988

Exponentiation

ny
n2 399597701203600
n3 7.9879340711979E+21
n4 1.596783228072E+29
n5 3.1919600922166E+36

Nth Root

y√n
2√n 4471.011071335
3√n 271.39624229118
4√n 66.865619501617
5√n 28.851094821732

Divisors of 19989940

1, 2, 4, 5, 10, 20, 499, 998, 1996, 2003, 2495, 4006, 4990, 8012, 9980, 10015, 20030, 40060, 999497, 1998994, 3997988, 4997485, 9994970, 19989940

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 -19989939
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 19989940 can be divided by 24 positive divisors. The sum of these divisors (counting 19989940) is 1, the average is 0.041666666666667.

Base conversion 19989940

Base System Value
2 Binary 1001100010000010110110100
3 Ternary 1101121121001011
4 Quaternary 1030100112310
5 Quinary 20104134230
6 Senary 1552242004
8 Octal 114202664
10 Decimal 19989940
12 Duodecimal 6840304
16 Hexadecimal 13105b4
20 Vigesimal 64ieh0
36 Base36 bwgc4

Cryptographic Hash Functions

md5 4c5fa1bce98437183fcc2c3de8afdd48
sha1 212eebaae645df5aa7bc43ba8d38b8d2698205de
sha256 fb9f1d3000c1b76da0168aed43ffc989620e66855b64647320f42a17c5ae24f1
sha512 72ecbd9434232aa64b91202ed47a9729ba938ff410b2de85eca2db4c4490a248b1d5e48def3b0111189b4cacbc862ce777c2a455929d859d3484bfc80aa56ff4
ripemd-160 4030589d670f847aced20624cb47d4de48829f68

19989940 as geometric shapes

Circle

Radius = n
Diameter 39979880
Circumference 125600497.2994
Area 1.2553732024926E+15

Sphere

Radius = n
Volume 3.3459779993913E+22
Surface area 5.0214928099704E+15
Circumference 125600497.2994

Square

Length = n
Perimeter 79959760
Area 399597701203600
Diagonal 28270044.259024

Cube

Length = n
Surface area 2397586207221600
Volume 7.9879340711979E+21
Space diagonal 34623591.720253

Equilateral Triangle

Length = n
Perimeter 59969820
Area 1.7303088026809E+14
Altitude 17311795.860127

Triangular Pyramid

Length = n
Surface area 1.7303088026809E+14
Volume 9.4138705823585E+20
Height 9423348.0863415