20145690 (number)

20145690 is an even 8-digits composite number following 20145689 and preceding 20145691. In scientific notation, it is written as 2.0145690 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 5372160 positive integers (up to 20145690) that are relatively prime to 20145690.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand six hundred ninety

Notation

Scientific notation 2.0145690 × 10^7
Engineering notation 2.0145690 × 10^6

Prime Factorization of 20145690

Prime Factorization 2 × 45 × 223841

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20145690
Product of the distinct prime numbers

The prime factorization of 20145690 is 2 × 45 × 223841. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145690)

Multiplication

n×y
n×2 40291380
n×3 60437070
n×4 80582760
n×5 100728450

Division

n÷y
n÷2 10072845
n÷3 6715230
n÷3 5036422.5
n÷5 4029138

Exponentiation

ny
n2 405848825576100
n3 8.1761046269202E+21
n4 1.647132692215E+29
n5 3.3182624606229E+36

Nth Root

y√n
2√n 4488.3950360903
3√n 272.09927352379
4√n 66.995485191842
5√n 28.895913552102

Divisors of 20145690

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 -20145689
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 20145690 can be divided by 8 positive divisors. The sum of these divisors (counting 20145690) is 1, the average is 0.125.

Base conversion 20145690

Base System Value
2 Binary 1001100110110011000011010
3 Ternary 1101220111200200
4 Quaternary 1030312120122
5 Quinary 20124130230
6 Senary 1555443030
8 Octal 114663032
10 Decimal 20145690
12 Duodecimal 68b6476
16 Hexadecimal 133661a
20 Vigesimal 65i44a
36 Base36 bzsii

Cryptographic Hash Functions

md5 f53a3bab9cabcd1ad13a603e53984223
sha1 44133c834676e403e9454bc51a1b25aa885625c2
sha256 b897eb53fc235b57f3384c05be69b39c97cb28afc7f2f5fe19a60e21c7ab03ac
sha512 b4d5fe3a7797cbfd3bda246470c6a58783bda91d69630a8cc696e4b6eebcfe8ee18c788d15c4454992c0563e22c6f3a289012fcb6114ded257007867ae0d7b60
ripemd-160 2441b77c48c0986e991e59d8f5df188913ab7d14

20145690 as geometric shapes

Circle

Radius = n
Diameter 40291380
Circumference 126579103.41099
Area 1.2750116888979E+15

Sphere

Radius = n
Volume 3.4247986974552E+22
Surface area 5.1000467555917E+15
Circumference 126579103.41099

Square

Length = n
Perimeter 80582760
Area 405848825576100
Diagonal 28490308.021364

Cube

Length = n
Surface area 2435092953456600
Volume 8.1761046269202E+21
Space diagonal 34893358.633532

Equilateral Triangle

Length = n
Perimeter 60437070
Area 1.7573769652249E+14
Altitude 17446679.316766

Triangular Pyramid

Length = n
Surface area 1.7573769652249E+14
Volume 9.6356317089766E+20
Height 9496769.3404547