61661520 (number)

61661520 is an even 8-digits composite number following 61661519 and preceding 61661521. In scientific notation, it is written as 6.1661520 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors. There are 16442496 positive integers (up to 61661520) that are relatively prime to 61661520.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred sixty-one thousand five hundred twenty

Notation

Scientific notation 6.1661520 × 10^7
Engineering notation 6.1661520 × 10^6

Prime Factorization of 61661520

Prime Factorization 2 × 2 × 2 × 2 × 135 × 28547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7707690
Product of the distinct prime numbers

The prime factorization of 61661520 is 2 × 2 × 2 × 2 × 135 × 28547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61661520)

Multiplication

n×y
n×2 123323040
n×3 184984560
n×4 246646080
n×5 308307600

Division

n÷y
n÷2 30830760
n÷3 20553840
n÷3 15415380
n÷5 12332304

Exponentiation

ny
n2 3802143048710400
n3 2.3444591964092E+23
n4 1.4456291762857E+31
n5 8.9139692366123E+38

Nth Root

y√n
2√n 7852.4849570056
3√n 395.06759511896
4√n 88.614248047397
5√n 36.141223038856

Divisors of 61661520

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61661519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61661520 can be divided by 20 positive divisors. The sum of these divisors (counting 61661520) is 1, the average is 0.05.

Base conversion 61661520

Base System Value
2 Binary 11101011001110000101010000
3 Ternary 11022000201201000
4 Quaternary 3223032011100
5 Quinary 111241132040
6 Senary 10041342000
8 Octal 353160520
10 Decimal 61661520
12 Duodecimal 18797900
16 Hexadecimal 3ace150
20 Vigesimal j57dg0
36 Base36 10pmc0

Cryptographic Hash Functions

md5 0eb731608c3eb631e328e6631ffec83e
sha1 a3e48711177cee29089f9f91c8b23823020ae3ee
sha256 5048b547723c477fb564bde8c121539fdf3921495031b1c33d910cdd5a622740
sha512 e9501d03e355c2bdcfb5b2658b715f1189aea21bee5a3d068e93f5ce1409cdadc730d3e648a2b923632008fd1603ec2682bb85e01ab571efb77f114d11692a9d
ripemd-160 c121064f13d74ea053b1915d40165959efa23204

61661520 as geometric shapes

Circle

Radius = n
Diameter 123323040
Circumference 387430756.48236
Area 1.1944784669726E+16

Sphere

Radius = n
Volume 9.8204477174401E+23
Surface area 4.7779138678904E+16
Circumference 387430756.48236

Square

Length = n
Perimeter 246646080
Area 3802143048710400
Diagonal 87202557.86054

Cube

Length = n
Surface area 22812858292262400
Volume 2.3444591964092E+23
Space diagonal 106800885.51192

Equilateral Triangle

Length = n
Perimeter 184984560
Area 1.6463762345028E+15
Altitude 53400442.755962

Triangular Pyramid

Length = n
Surface area 1.6463762345028E+15
Volume 2.7629716599935E+22
Height 29067519.286847