20145087 (number)

20145087 is an odd 8-digits composite number following 20145086 and preceding 20145088. In scientific notation, it is written as 2.0145087 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13411968 positive integers (up to 20145087) that are relatively prime to 20145087.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand eighty-seven

Notation

Scientific notation 2.0145087 × 10^7
Engineering notation 2.0145087 × 10^6

Prime Factorization of 20145087

Prime Factorization 9 × 1697 × 1319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145087
Product of the distinct prime numbers

The prime factorization of 20145087 is 9 × 1697 × 1319. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145087)

Multiplication

n×y
n×2 40290174
n×3 60435261
n×4 80580348
n×5 100725435

Division

n÷y
n÷2 10072543.5
n÷3 6715029
n÷3 5036271.75
n÷5 4029017.4

Exponentiation

ny
n2 405824530237569
n3 8.17537046837E+21
n4 1.6469354934254E+29
n5 3.3177658798443E+36

Nth Root

y√n
2√n 4488.3278623559
3√n 272.09655867512
4√n 66.994983859658
5√n 28.895740567761

Divisors of 20145087

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145087 can be divided by 8 positive divisors. The sum of these divisors (counting 20145087) is 1, the average is 0.125.

Base conversion 20145087

Base System Value
2 Binary 1001100110110001110111111
3 Ternary 1101220110212100
4 Quaternary 1030312032333
5 Quinary 20124120322
6 Senary 1555440143
8 Octal 114661677
10 Decimal 20145087
12 Duodecimal 68b6053
16 Hexadecimal 13363bf
20 Vigesimal 65i2e7
36 Base36 bzs1r

Cryptographic Hash Functions

md5 df084ff0604436b0c5cfebd80a739f20
sha1 ff4d2d6c5ffc93782683e21f503193bb9f2434c5
sha256 3fa2f2e9ac5348ba519e6fe12016df3f76e9c88fccbdfc52d827f008d309d449
sha512 871beff7af7fde5670f26af9d448dc23a4341787a03b873e865ee7faa7bd10c8003864a1fb2ae537d0cf8a24796f7f9751b4199cd89cec00b97061648c6315d7
ripemd-160 44417ac09ae2cd9489a9fa898e27331b7bc6da2e

20145087 as geometric shapes

Circle

Radius = n
Diameter 40290174
Circumference 126575314.65025
Area 1.2749353628409E+15

Sphere

Radius = n
Volume 3.4244911738408E+22
Surface area 5.0997414513635E+15
Circumference 126575314.65025

Square

Length = n
Perimeter 80580348
Area 405824530237569
Diagonal 28489455.250586

Cube

Length = n
Surface area 2434947181425414
Volume 8.17537046837E+21
Space diagonal 34892314.206895

Equilateral Triangle

Length = n
Perimeter 60435261
Area 1.7572717633231E+14
Altitude 17446157.103448

Triangular Pyramid

Length = n
Surface area 1.7572717633231E+14
Volume 9.6347664948277E+20
Height 9496485.0835286