61809105 (number)

61809105 is an odd 8-digits composite number following 61809104 and preceding 61809106. In scientific notation, it is written as 6.1809105 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 32964848 positive integers (up to 61809105) that are relatively prime to 61809105.

Interesting facts

Basic properties

Name

Name sixty-one million eight hundred nine thousand one hundred five

Notation

Scientific notation 6.1809105 × 10^7
Engineering notation 6.1809105 × 10^6

Prime Factorization of 61809105

Prime Factorization 15 × 4120607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61809105
Product of the distinct prime numbers

The prime factorization of 61809105 is 15 × 4120607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61809105)

Multiplication

n×y
n×2 123618210
n×3 185427315
n×4 247236420
n×5 309045525

Division

n÷y
n÷2 30904552.5
n÷3 20603035
n÷3 15452276.25
n÷5 12361821

Exponentiation

ny
n2 3820365460901025
n3 2.361333699112E+23
n4 1.4595192254846E+31
n5 9.0211577057493E+38

Nth Root

y√n
2√n 7861.8766843547
3√n 395.38253813287
4√n 88.667224408767
5√n 36.158507086051

Divisors of 61809105

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61809104
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61809105 can be divided by 4 positive divisors. The sum of these divisors (counting 61809105) is 1, the average is 0.25.

Base conversion 61809105

Base System Value
2 Binary 11101011110010000111010001
3 Ternary 11022022020011010
4 Quaternary 3223302013101
5 Quinary 111310342410
6 Senary 10044441133
8 Octal 353620721
10 Decimal 61809105
12 Duodecimal 188491a9
16 Hexadecimal 3af21d1
20 Vigesimal j662f5
36 Base36 10ss7l

Cryptographic Hash Functions

md5 69af8ebc99757e49411a16f745faa449
sha1 284529a6b570d65dc851289a22214070120d51bc
sha256 c2cdc2b5ee3565ae8477b26e1b80ac2103387791d57eb63f5630ac34c813f534
sha512 41b394a9ac3f0fd2c098a0804fb2603004c3b17c40d8cbc19ee5bd382726a64b08eed03c01c52c6fecd4491060cf24651b0c0806bb3dba93b1343aa40d5ef8be
ripemd-160 c5e9ea3f2cfb97c299c7fe08752ca53441b6df9c

61809105 as geometric shapes

Circle

Radius = n
Diameter 123618210
Circumference 388358060.38592
Area 1.2002032065995E+16

Sphere

Radius = n
Volume 9.8911314690726E+23
Surface area 4.8008128263979E+16
Circumference 388358060.38592

Square

Length = n
Perimeter 247236420
Area 3820365460901025
Diagonal 87411274.569143

Cube

Length = n
Surface area 22922192765406150
Volume 2.361333699112E+23
Space diagonal 107056510.23036

Equilateral Triangle

Length = n
Perimeter 185427315
Area 1.6542667704405E+15
Altitude 53528255.11518

Triangular Pyramid

Length = n
Surface area 1.6542667704405E+15
Volume 2.7828584521441E+22
Height 29137091.523048