19997871 (number)

19997871 is an odd 8-digits composite number following 19997870 and preceding 19997872. In scientific notation, it is written as 1.9997871 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 12971520 positive integers (up to 19997871) that are relatively prime to 19997871.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand eight hundred seventy-one

Notation

Scientific notation 1.9997871 × 10^7
Engineering notation 1.9997871 × 10^6

Prime Factorization of 19997871

Prime Factorization 3 × 37 × 180161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19997871
Product of the distinct prime numbers

The prime factorization of 19997871 is 3 × 37 × 180161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997871)

Multiplication

n×y
n×2 39995742
n×3 59993613
n×4 79991484
n×5 99989355

Division

n÷y
n÷2 9998935.5
n÷3 6665957
n÷3 4999467.75
n÷5 3999574.2

Exponentiation

ny
n2 399914844532641
n3 7.9974454719488E+21
n4 1.5993188287757E+29
n5 3.1982971625727E+36

Nth Root

y√n
2√n 4471.8979192285
3√n 271.4321296592
4√n 66.872250741458
5√n 28.853383790366

Divisors of 19997871

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19997870
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19997871 can be divided by 8 positive divisors. The sum of these divisors (counting 19997871) is 1, the average is 0.125.

Base conversion 19997871

Base System Value
2 Binary 1001100010010010010101111
3 Ternary 1101121222220220
4 Quaternary 1030102102233
5 Quinary 20104412441
6 Senary 1552342423
8 Octal 114222257
10 Decimal 19997871
12 Duodecimal 6844a13
16 Hexadecimal 13124af
20 Vigesimal 64jedb
36 Base36 bwmgf

Cryptographic Hash Functions

md5 8f0c878ba5c1f7a3a63b8eb46f5fad70
sha1 e940ad736ae14e408f029f8cfec92ededc8bc05a
sha256 fc0a031b35b6fcaa20d63023fce82807e25abf8fe29df1546901d7cadbae62e7
sha512 695a844c412c464511529ee27b994cfd1342fe7fcea9480c2fd51d91327667c8df7b7b94bce01ebb568dd3f4ed4fd52658ae53c8525a8d381f586fb17bce1ca6
ripemd-160 5a04dd36ee0b6c81a6bf0c636f553675172fb8ff

19997871 as geometric shapes

Circle

Radius = n
Diameter 39995742
Circumference 125650329.24207
Area 1.2563695376452E+15

Sphere

Radius = n
Volume 3.3499621256212E+22
Surface area 5.025478150581E+15
Circumference 125650329.24207

Square

Length = n
Perimeter 79991484
Area 399914844532641
Diagonal 28281260.386788

Cube

Length = n
Surface area 2399489067195846
Volume 7.9974454719488E+21
Space diagonal 34637328.615208

Equilateral Triangle

Length = n
Perimeter 59993613
Area 1.7316820735789E+14
Altitude 17318664.307604

Triangular Pyramid

Length = n
Surface area 1.7316820735789E+14
Volume 9.4250798756411E+20
Height 9427086.7955959