19997890 (number)

19997890 is an even 8-digits composite number following 19997889 and preceding 19997891. In scientific notation, it is written as 1.9997890 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 7213440 positive integers (up to 19997890) that are relatively prime to 19997890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9997890 × 10^7
Engineering notation 1.9997890 × 10^6

Prime Factorization of 19997890

Prime Factorization 2 × 685 × 11 × 1327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19997890
Product of the distinct prime numbers

The prime factorization of 19997890 is 2 × 685 × 11 × 1327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 17, 74, 988, 199, 3064, 3211, 36297, 58504, 169253, 571773, 5377146, 481797, 94394687, 19325177, 464380955, 332283805, 8741360032, 9931007916

Basic calculations (n = 19997890)

Multiplication

n×y
n×2 39995780
n×3 59993670
n×4 79991560
n×5 99989450

Division

n÷y
n÷2 9998945
n÷3 6665963.3333333
n÷3 4999472.5
n÷5 3999578

Exponentiation

ny
n2 399915604452100
n3 7.9974682671166E+21
n4 1.5993249068429E+29
n5 3.1983123561304E+36

Nth Root

y√n
2√n 4471.9000436056
3√n 271.43221562183
4√n 66.872266625303
5√n 28.85338927309

Divisors of 19997890

1, 2, 11, 22, 685, 1327, 1370, 2654, 7535, 14597, 15070, 29194, 908995, 1817990, 9998945, 19997890

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 -19997889
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 19997890 can be divided by 16 positive divisors. The sum of these divisors (counting 19997890) is 1, the average is 0.0625.

Base conversion 19997890

Base System Value
2 Binary 1001100010010010011000010
3 Ternary 1101121222221121
4 Quaternary 1030102103002
5 Quinary 20104413030
6 Senary 1552342454
8 Octal 114222302
10 Decimal 19997890
12 Duodecimal 6844a2a
16 Hexadecimal 13124c2
20 Vigesimal 64jeea
36 Base36 bwmgy

Cryptographic Hash Functions

md5 6f3fa7c8358e12ef4d1ca794aa720a56
sha1 c06dcd9954f30e79c432cf292301b4514b60eb7a
sha256 11dbdfb809e994c4baba7555b0c1271b1ee19f93ef6ff3de265ea933e18ea493
sha512 078a112a687b436e56e4b9f1aea41f3b0e9b38737eaa2042c186d16253f4aeb1166f3f3e1926319120e5d799d0bb45b3b7ccbfa48df7f3503f783af1165afece
ripemd-160 5b319c48bdc127e7e7a4147cc093971b82f5b8c7

19997890 as geometric shapes

Circle

Radius = n
Diameter 39995780
Circumference 125650448.62259
Area 1.2563719250026E+15

Sphere

Radius = n
Volume 3.3499716740388E+22
Surface area 5.0254877000106E+15
Circumference 125650448.62259

Square

Length = n
Perimeter 79991560
Area 399915604452100
Diagonal 28281287.256845

Cube

Length = n
Surface area 2399493626712600
Volume 7.9974682671166E+21
Space diagonal 34637361.524174

Equilateral Triangle

Length = n
Perimeter 59993670
Area 1.7316853641266E+14
Altitude 17318680.762087

Triangular Pyramid

Length = n
Surface area 1.7316853641266E+14
Volume 9.425106740004E+20
Height 9427095.7522818