61809890 (number)

61809890 is an even 8-digits composite number following 61809889 and preceding 61809891. In scientific notation, it is written as 6.1809890 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 24723952 positive integers (up to 61809890) that are relatively prime to 61809890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1809890 × 10^7
Engineering notation 6.1809890 × 10^6

Prime Factorization of 61809890

Prime Factorization 2 × 5 × 6180989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61809890
Product of the distinct prime numbers

The prime factorization of 61809890 is 2 × 5 × 6180989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61809890)

Multiplication

n×y
n×2 123619780
n×3 185429670
n×4 247239560
n×5 309049450

Division

n÷y
n÷2 30904945
n÷3 20603296.666667
n÷3 15452472.5
n÷5 12361978

Exponentiation

ny
n2 3820462501812100
n3 2.3614236698613E+23
n4 1.4595933727752E+31
n5 9.0217305815966E+38

Nth Root

y√n
2√n 7861.9266086628
3√n 395.38421196382
4√n 88.667505934603
5√n 36.158598931044

Divisors of 61809890

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 -61809889
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 61809890 can be divided by 8 positive divisors. The sum of these divisors (counting 61809890) is 1, the average is 0.125.

Base conversion 61809890

Base System Value
2 Binary 11101011110010010011100010
3 Ternary 11022022021020012
4 Quaternary 3223302103202
5 Quinary 111310404030
6 Senary 10044444522
8 Octal 353622342
10 Decimal 61809890
12 Duodecimal 18849742
16 Hexadecimal 3af24e2
20 Vigesimal j664ea
36 Base36 10sste

Cryptographic Hash Functions

md5 4096920235edc8a89e1ace5281aa1a70
sha1 6525c7e2d6c0d0555bf234ee059885d29ff49cdf
sha256 a280ed7e6de5722f08f5df09d7ea3ab10b30b6b043fcb0ab9aabb7d8a2a547f3
sha512 06e4178846254c43d952cf6b0f97a3876956a710bf919e377a8e2fe540614ca1c30ceefe8c42b3c379aa08ebe6bf1a2bd4844924303e99bad15d20ad2c98ab92
ripemd-160 d017352e1709b660d95546927d72abd83ab1becf

61809890 as geometric shapes

Circle

Radius = n
Diameter 123619780
Circumference 388362992.68639
Area 1.2002336929008E+16

Sphere

Radius = n
Volume 9.8915083376658E+23
Surface area 4.8009347716033E+16
Circumference 388362992.68639

Square

Length = n
Perimeter 247239560
Area 3820462501812100
Diagonal 87412384.726789

Cube

Length = n
Surface area 22922775010872600
Volume 2.3614236698613E+23
Space diagonal 107057869.89024

Equilateral Triangle

Length = n
Perimeter 185429670
Area 1.6543087903876E+15
Altitude 53528934.945122

Triangular Pyramid

Length = n
Surface area 1.6543087903876E+15
Volume 2.7829644836889E+22
Height 29137461.575596