20171872 (number)

20171872 is an even 8-digits composite number following 20171871 and preceding 20171873. In scientific notation, it is written as 2.0171872 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 8644992 positive integers (up to 20171872) that are relatively prime to 20171872.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-one thousand eight hundred seventy-two

Notation

Scientific notation 2.0171872 × 10^7
Engineering notation 2.0171872 × 10^6

Prime Factorization of 20171872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 90053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1260742
Product of the distinct prime numbers

The prime factorization of 20171872 is 2 × 2 × 2 × 2 × 2 × 7 × 90053. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 2, 7, 47, 549, 247, 4301, 2215, 77560, 46869, 643992, 87567, 9063994, 329832, 42398977, 84105345, 478051043, 658934588, 8259502561, 9429265511

Basic calculations (n = 20171872)

Multiplication

n×y
n×2 40343744
n×3 60515616
n×4 80687488
n×5 100859360

Division

n÷y
n÷2 10085936
n÷3 6723957.3333333
n÷3 5042968
n÷5 4034374.4

Exponentiation

ny
n2 406904419984384
n3 8.2080238761592E+21
n4 1.6557120700283E+29
n5 3.3398811945465E+36

Nth Root

y√n
2√n 4491.3107218272
3√n 272.21709887777
4√n 67.017241974191
5√n 28.903420466173

Divisors of 20171872

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90053, 180106, 360212, 630371, 720424, 1260742, 1440848, 2521484, 2881696, 5042968, 10085936, 20171872

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 -20171871
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 20171872 can be divided by 24 positive divisors. The sum of these divisors (counting 20171872) is 1, the average is 0.041666666666667.

Base conversion 20171872

Base System Value
2 Binary 1001100111100110001100000
3 Ternary 1101221211121101
4 Quaternary 1030330301200
5 Quinary 20130444442
6 Senary 2000204144
8 Octal 114746140
10 Decimal 20171872
12 Duodecimal 6909654
16 Hexadecimal 133cc60
20 Vigesimal 6619dc
36 Base36 c0cps

Cryptographic Hash Functions

md5 a06cfc3b6fd7dd13ee1c354efe55a6bf
sha1 dd2ccfa948a176d3502e4d26d631e594959e569c
sha256 24470ea07809040c51026df06b16c1339637234234fc7ed73343b2817e7fc4fa
sha512 62abf15120ecb8905284e70102794ba652c2c22c48d08b40725d50656b89acd34a29f20bc6bc426fa83edff70819f4c3326b77b4e81d05baa08bd861e3c837ef
ripemd-160 a41aa4627a515d23c09339b33ccaaa6de718c27e

20171872 as geometric shapes

Circle

Radius = n
Diameter 40343744
Circumference 126743609.76871
Area 1.2783279365362E+15

Sphere

Radius = n
Volume 3.4381690013109E+22
Surface area 5.1133117461446E+15
Circumference 126743609.76871

Square

Length = n
Perimeter 80687488
Area 406904419984384
Diagonal 28527334.960854

Cube

Length = n
Surface area 2441426519906304
Volume 8.2080238761592E+21
Space diagonal 34938707.187776

Equilateral Triangle

Length = n
Perimeter 60515616
Area 1.7619478230932E+14
Altitude 17469353.593888

Triangular Pyramid

Length = n
Surface area 1.7619478230932E+14
Volume 9.6732489049555E+20
Height 9509111.653618