1820145 (number)

1820145 is an odd 7-digits composite number following 1820144 and preceding 1820146. In scientific notation, it is written as 1.820145 × 10^6. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 970736 positive integers (up to 1820145) that are relatively prime to 1820145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.820145 × 10^6
Engineering notation 1.820145 × 10^6

Prime Factorization of 1820145

Prime Factorization 3 × 5 × 121343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1820145
Product of the distinct prime numbers

The prime factorization of 1820145 is 3 × 5 × 121343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1820145)

Multiplication

n×y
n×2 3640290
n×3 5460435
n×4 7280580
n×5 9100725

Division

n÷y
n÷2 910072.5
n÷3 606715
n÷3 455036.25
n÷5 364029

Exponentiation

ny
n2 3312927821025
n3 6030009008799548625
n4 1.0975490747321E+25
n5 1.9976984606283E+31

Nth Root

y√n
2√n 1349.1274958283
3√n 122.09615728284
4√n 36.730470944821
5√n 17.865747733185

Divisors of 1820145

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 -1820144
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 1820145 can be divided by 8 positive divisors. The sum of these divisors (counting 1820145) is 1, the average is 0.125.

Base conversion 1820145

Base System Value
2 Binary 110111100010111110001
3 Ternary 10102110202210
4 Quaternary 12330113301
5 Quinary 431221040
6 Senary 103002333
8 Octal 6742761
10 Decimal 1820145
12 Duodecimal 7393a9
16 Hexadecimal 1bc5f1
20 Vigesimal b7a75
36 Base36 130fl

Cryptographic Hash Functions

md5 4a08f83320373303c00101a8893d9f3e
sha1 01d6c0c73a1b2647329bc1f13e14e427c7a853e7
sha256 aa79da808d2efea423d3ef4eb3854b1d51ed7063433c38e5997ee5b928d3af44
sha512 fd0e518763cadcac41dcbfc6abd4f80c7a78d0e50bd79e4ac686b3f94a71be12fde02303416d8b975e8a40b668b8e53ac06239fab976013c51a6ede8f4fb061f
ripemd-160 911671f5dc2e05108b4ee263283f018e69c77062

1820145 as geometric shapes

Circle

Radius = n
Diameter 3640290
Circumference 11436308.320936
Area 10407869704405

Sphere

Radius = n
Volume 2.5258442670833E+19
Surface area 41631478817622
Circumference 11436308.320936

Square

Length = n
Perimeter 7280580
Area 3312927821025
Diagonal 2574073.7444856

Cube

Length = n
Surface area 19877566926150
Volume 6030009008799548625
Space diagonal 3152583.6171425

Equilateral Triangle

Length = n
Perimeter 5460435
Area 1434539826955.9
Altitude 1576291.8085712

Triangular Pyramid

Length = n
Surface area 1434539826955.9
Volume 7.1064337678969E+17
Height 858024.58149519