19909940 (number)

19909940 is an even 8-digits composite number following 19909939 and preceding 19909941. In scientific notation, it is written as 1.9909940 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 7890048 positive integers (up to 19909940) that are relatively prime to 19909940.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred nine thousand nine hundred forty

Notation

Scientific notation 1.9909940 × 10^7
Engineering notation 1.9909940 × 10^6

Prime Factorization of 19909940

Prime Factorization 2 × 2 × 5 × 109 × 9133

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9954970
Product of the distinct prime numbers

The prime factorization of 19909940 is 2 × 2 × 5 × 109 × 9133. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 74, 88, 688, 365, 9136, 7164, 48809, 49672, 469970, 362582, 3027469, 2296140, 94045858, 28056369, 755462921, 887522002, 4209577710, 1466536372

Basic calculations (n = 19909940)

Multiplication

n×y
n×2 39819880
n×3 59729820
n×4 79639760
n×5 99549700

Division

n÷y
n÷2 9954970
n÷3 6636646.6666667
n÷3 4977485
n÷5 3981988

Exponentiation

ny
n2 396405710803600
n3 7.892413917757E+21
n4 1.5713748755771E+29
n5 3.1285979490247E+36

Nth Root

y√n
2√n 4462.055580111
3√n 271.03371448216
4√n 66.798619597347
5√n 28.827965274757

Divisors of 19909940

1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9133, 18266, 36532, 45665, 91330, 182660, 995497, 1990994, 3981988, 4977485, 9954970, 19909940

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 -19909939
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 19909940 can be divided by 24 positive divisors. The sum of these divisors (counting 19909940) is 1, the average is 0.041666666666667.

Base conversion 19909940

Base System Value
2 Binary 1001011111100110100110100
3 Ternary 1101110112022012
4 Quaternary 1023330310310
5 Quinary 20044104230
6 Senary 1550423352
8 Octal 113746464
10 Decimal 19909940
12 Duodecimal 6801b58
16 Hexadecimal 12fcd34
20 Vigesimal 648eh0
36 Base36 buqlw

Cryptographic Hash Functions

md5 36a8c24d83f82ab6abd7464c740ff354
sha1 940da0f2344dfff91f98c01f61da3a7ad422456b
sha256 52c655fe34b5981bfd791eebb1daefc6767413dd2d36045d65c0916d40adaaaa
sha512 09d831f5486c33e9b4113120a592f8fc9f16bdc06358581ea21f6e8a4cfe98e3e22a4f2d79cb3dafb3cba97463c723f5e47f6e2e54f045e8624059a673976595
ripemd-160 1449910dcb61e3404949fc1208eef3668e0574a3

19909940 as geometric shapes

Circle

Radius = n
Diameter 39819880
Circumference 125097842.47483
Area 1.2453452689016E+15

Sphere

Radius = n
Volume 3.305966611082E+22
Surface area 4.9813810756065E+15
Circumference 125097842.47483

Square

Length = n
Perimeter 79639760
Area 396405710803600
Diagonal 28156907.174035

Cube

Length = n
Surface area 2378434264821600
Volume 7.892413917757E+21
Space diagonal 34485027.655648

Equilateral Triangle

Length = n
Perimeter 59729820
Area 1.7164870788057E+14
Altitude 17242513.827824

Triangular Pyramid

Length = n
Surface area 1.7164870788057E+14
Volume 9.3012990019618E+20
Height 9385635.7246782