820145690 (number)

820145690 is an even 9-digits composite number following 820145689 and preceding 820145691. In scientific notation, it is written as 8.20145690 × 10^8. The sum of its digits is 35. It has a total of 6 prime factors and 64 positive divisors. There are 258999552 positive integers (up to 820145690) that are relatively prime to 820145690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.20145690 × 10^8
Engineering notation 8.20145690 × 10^6

Prime Factorization of 820145690

Prime Factorization 2 × 5 × 7 × 13 × 743 × 1213

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 820145690
Product of the distinct prime numbers

The prime factorization of 820145690 is 2 × 5 × 7 × 13 × 743 × 1213. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 820145690)

Multiplication

n×y
n×2 1640291380
n×3 2460437070
n×4 3280582760
n×5 4100728450

Division

n÷y
n÷2 410072845
n÷3 273381896.66667
n÷3 205036422.5
n÷5 164029138

Exponentiation

ny
n2 672638952825576100
n3 5.5166193808601E+26
n4 4.5244316085829E+35
n5 3.710693083479E+44

Nth Root

y√n
2√n 28638.185871315
3√n 936.04559171719
4√n 169.2282064885
5√n 60.642654228464

Divisors of 820145690

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -820145689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 820145690 can be divided by 64 positive divisors. The sum of these divisors (counting 820145690) is 1, the average is 0.015625.

Base conversion 820145690

Base System Value
2 Binary 110000111000100110111000011010
3 Ternary 2010011020201101022
4 Quaternary 300320212320122
5 Quinary 3134424130230
6 Senary 213214322442
8 Octal 6070467032
10 Decimal 820145690
12 Duodecimal 1aa7b9422
16 Hexadecimal 30e26e1a
20 Vigesimal cg5i44a
36 Base36 dkakgq

Cryptographic Hash Functions

md5 6f48289f579be02580304f12ad51f65e
sha1 ffbf62ad1b77f9bce108edf3e6ef12856feb0a86
sha256 7c343782eedf1db6e44db603906fdf038414cddaa3deae2d38d258d40883a6ea
sha512 aebf577cb315ec8d1a00022084a77f96767bcf9c0bb9ecb6b16e5349000176f2c6960fe1fd2b1685fce6264bc5025f498b2d9620a00aa1258c9c2f501735be2e
ripemd-160 0b522f5c254614c18937ba5ea94da1fc9f56c2e4

820145690 as geometric shapes

Circle

Radius = n
Diameter 1640291380
Circumference 5153127349.1547
Area 2.1131575927152E+18

Sphere

Radius = n
Volume 2.3107961226082E+27
Surface area 8.4526303708606E+18
Circumference 5153127349.1547

Square

Length = n
Perimeter 3280582760
Area 672638952825576100
Diagonal 1159861157.9198

Cube

Length = n
Surface area 4035833716953456600
Volume 5.5166193808601E+26
Space diagonal 1420534004.6886

Equilateral Triangle

Length = n
Perimeter 2460437070
Area 2.9126121036096E+17
Altitude 710267002.34432

Triangular Pyramid

Length = n
Surface area 2.9126121036096E+17
Volume 6.5013982890522E+25
Height 386620385.97328