20155870 (number)

20155870 is an even 8-digits composite number following 20155869 and preceding 20155871. In scientific notation, it is written as 2.0155870 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 6671616 positive integers (up to 20155870) that are relatively prime to 20155870.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand eight hundred seventy

Notation

Scientific notation 2.0155870 × 10^7
Engineering notation 2.0155870 × 10^6

Prime Factorization of 20155870

Prime Factorization 2 × 5 × 7 × 29 × 9929

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20155870
Product of the distinct prime numbers

The prime factorization of 20155870 is 2 × 5 × 7 × 29 × 9929. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 37, 10, 572, 8, 4634, 7373, 83846, 31990, 769019, 468169, 1711917, 6966879, 29120993, 26512647, 335633869, 343960819, 1044995857, 8531375689

Basic calculations (n = 20155870)

Multiplication

n×y
n×2 40311740
n×3 60467610
n×4 80623480
n×5 100779350

Division

n÷y
n÷2 10077935
n÷3 6718623.3333333
n÷3 5038967.5
n÷5 4031174

Exponentiation

ny
n2 406259095456900
n3 8.1885055143469E+21
n4 1.6504645264146E+29
n5 3.3266548434024E+36

Nth Root

y√n
2√n 4489.528928518
3√n 272.14509811725
4√n 67.00394711148
5√n 28.898833292851

Divisors of 20155870

1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9929, 19858, 49645, 69503, 99290, 139006, 287941, 347515, 575882, 695030, 1439705, 2015587, 2879410, 4031174, 10077935, 20155870

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155869
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155870 can be divided by 32 positive divisors. The sum of these divisors (counting 20155870) is 1, the average is 0.03125.

Base conversion 20155870

Base System Value
2 Binary 1001100111000110111011110
3 Ternary 1101221000122201
4 Quaternary 1030320313132
5 Quinary 20124441440
6 Senary 2000002114
8 Octal 114706736
10 Decimal 20155870
12 Duodecimal 690033a
16 Hexadecimal 1338dde
20 Vigesimal 65j9da
36 Base36 c00da

Cryptographic Hash Functions

md5 83fd8f54bb21ba76fa8f40f486c6cff0
sha1 b36748bccd76a1394e8722a006bbd00253edc3ab
sha256 0eb324d0062baa90b62f8a44caaf48f5f3d32c40f75ee067b69bcfbcb0c05338
sha512 ddb10ba4a3c3260408ed1792149a012838f26e18ad92285d5c9c3941c59489fc34ed406cf5c55a46a346d53c423cbc4347a9972569c518b504d4cb522a196e75
ripemd-160 e0818723929a970ddc10ee61ac93e6daf457b1c6

20155870 as geometric shapes

Circle

Radius = n
Diameter 40311740
Circumference 126643066.23742
Area 1.2763005897414E+15

Sphere

Radius = n
Volume 3.4299931690336E+22
Surface area 5.1052023589657E+15
Circumference 126643066.23742

Square

Length = n
Perimeter 80623480
Area 406259095456900
Diagonal 28504704.715429

Cube

Length = n
Surface area 2437554572741400
Volume 8.1885055143469E+21
Space diagonal 34910990.910753

Equilateral Triangle

Length = n
Perimeter 60467610
Area 1.7591534859208E+14
Altitude 17455495.455377

Triangular Pyramid

Length = n
Surface area 1.7591534859208E+14
Volume 9.6502462949635E+20
Height 9501568.2384763