20187897 (number)

20187897 is an odd 8-digits composite number following 20187896 and preceding 20187898. In scientific notation, it is written as 2.0187897 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 13143312 positive integers (up to 20187897) that are relatively prime to 20187897.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand eight hundred ninety-seven

Notation

Scientific notation 2.0187897 × 10^7
Engineering notation 2.0187897 × 10^6

Prime Factorization of 20187897

Prime Factorization 3 × 103 × 79 × 827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187897
Product of the distinct prime numbers

The prime factorization of 20187897 is 3 × 103 × 79 × 827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 39, 32, 674, 483, 5536, 4990, 32307, 46589, 422962, 296511, 645562, 4328319, 19407737, 87766233, 727297362, 245142087, 9625816074, 5144030122

Basic calculations (n = 20187897)

Multiplication

n×y
n×2 40375794
n×3 60563691
n×4 80751588
n×5 100939485

Division

n÷y
n÷2 10093948.5
n÷3 6729299
n÷3 5046974.25
n÷5 4037579.4

Exponentiation

ny
n2 407551185282609
n3 8.2276013507132E+21
n4 1.6609796862526E+29
n5 3.353168682516E+36

Nth Root

y√n
2√n 4493.0943680275
3√n 272.28916497645
4√n 67.030548021238
5√n 28.90801131624

Divisors of 20187897

1, 3, 79, 103, 237, 309, 827, 2481, 8137, 24411, 65333, 85181, 195999, 255543, 6729299, 20187897

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 -20187896
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 20187897 can be divided by 16 positive divisors. The sum of these divisors (counting 20187897) is 1, the average is 0.0625.

Base conversion 20187897

Base System Value
2 Binary 1001101000000101011111001
3 Ternary 1101222122120220
4 Quaternary 1031000223321
5 Quinary 20132003042
6 Senary 2000410253
8 Octal 115005371
10 Decimal 20187897
12 Duodecimal 6916989
16 Hexadecimal 1340af9
20 Vigesimal 6639eh
36 Base36 c0p2x

Cryptographic Hash Functions

md5 911528b30256cb5e33fceeea49e7465b
sha1 7b2146c97fb7e9263aff0c3fc1110e21e4a66f32
sha256 9ffa025be5c494c97267fddfc23e968bda991f9f337ba8239b201d8e67bbe788
sha512 9767e7c7f07e70ed44e4bc45cbc5355e2c7922d25f5169239a02f3e427a3fa53121dfcac71a06231d083841d98aa9fc352e1b8bad801a5d412defc934089505b
ripemd-160 d3d08fa4c461fc0d7bcc6766a7accdd82168f1f9

20187897 as geometric shapes

Circle

Radius = n
Diameter 40375794
Circumference 126844297.81325
Area 1.2803598096457E+15

Sphere

Radius = n
Volume 3.4463695946755E+22
Surface area 5.1214392385826E+15
Circumference 126844297.81325

Square

Length = n
Perimeter 80751588
Area 407551185282609
Diagonal 28549997.733191

Cube

Length = n
Surface area 2445307111695654
Volume 8.2276013507132E+21
Space diagonal 34966463.301967

Equilateral Triangle

Length = n
Perimeter 60563691
Area 1.764748398986E+14
Altitude 17483231.650984

Triangular Pyramid

Length = n
Surface area 1.764748398986E+14
Volume 9.6963211799815E+20
Height 9516665.9110637