20155142 (number)

20155142 is an even 8-digits composite number following 20155141 and preceding 20155143. In scientific notation, it is written as 2.0155142 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 8595720 positive integers (up to 20155142) that are relatively prime to 20155142.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand one hundred forty-two

Notation

Scientific notation 2.0155142 × 10^7
Engineering notation 2.0155142 × 10^6

Prime Factorization of 20155142

Prime Factorization 2 × 7 × 211 × 6823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20155142
Product of the distinct prime numbers

The prime factorization of 20155142 is 2 × 7 × 211 × 6823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 17, 38, 875, 892, 4805, 3986, 9609, 32649, 774946, 704400, 2524560, 5867073, 12637074, 84684565, 621222919, 482373041, 5821162513, 606792559

Basic calculations (n = 20155142)

Multiplication

n×y
n×2 40310284
n×3 60465426
n×4 80620568
n×5 100775710

Division

n÷y
n÷2 10077571
n÷3 6718380.6666667
n÷3 5038785.5
n÷5 4031028.4

Exponentiation

ny
n2 406229749040164
n3 8.1876182765289E+21
n4 1.6502260900523E+29
n5 3.326054117711E+36

Nth Root

y√n
2√n 4489.4478502373
3√n 272.14182158595
4√n 67.003342082595
5√n 28.898624533273

Divisors of 20155142

1, 2, 7, 14, 211, 422, 1477, 2954, 6823, 13646, 47761, 95522, 1439653, 2879306, 10077571, 20155142

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 -20155141
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 20155142 can be divided by 16 positive divisors. The sum of these divisors (counting 20155142) is 1, the average is 0.0625.

Base conversion 20155142

Base System Value
2 Binary 1001100111000101100000110
3 Ternary 1101220222122202
4 Quaternary 1030320230012
5 Quinary 20124431032
6 Senary 1555554502
8 Octal 114705406
10 Decimal 20155142
12 Duodecimal 68bba32
16 Hexadecimal 1338b06
20 Vigesimal 65j7h2
36 Base36 bzzt2

Cryptographic Hash Functions

md5 7fc2943b426d8120ce04006929c4e58d
sha1 9e389c58a5f41b3971045a09454a012e24bd6508
sha256 8a905d510b457dc3ef7ac9d17de47018bc284cfb5f279c1b4438fe0a50d18b56
sha512 11eb4167ebc5c5703db3029bf99694ad9bfb275a9c97458a0a470a725686b2bc12dac538d85d47fd11ee4b6b87bdc460000d46a0e2d1f15b15a2bff1eb393c40
ripemd-160 aacc8045f6dcfd2f691617c26fdc61b7779e4b96

20155142 as geometric shapes

Circle

Radius = n
Diameter 40310284
Circumference 126638492.07852
Area 1.2762083952542E+15

Sphere

Radius = n
Volume 3.4296215237254E+22
Surface area 5.1048335810168E+15
Circumference 126638492.07852

Square

Length = n
Perimeter 80620568
Area 406229749040164
Diagonal 28503675.167956

Cube

Length = n
Surface area 2437378494240984
Volume 8.1876182765289E+21
Space diagonal 34909729.977765

Equilateral Triangle

Length = n
Perimeter 60465426
Area 1.7590264122088E+14
Altitude 17454864.988883

Triangular Pyramid

Length = n
Surface area 1.7590264122088E+14
Volume 9.6492006751675E+20
Height 9501225.0559852