61505721 (number)

61505721 is an odd 8-digits composite number following 61505720 and preceding 61505722. In scientific notation, it is written as 6.1505721 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 40959576 positive integers (up to 61505721) that are relatively prime to 61505721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1505721 × 10^7
Engineering notation 6.1505721 × 10^6

Prime Factorization of 61505721

Prime Factorization 9 × 6287 × 1087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61505721
Product of the distinct prime numbers

The prime factorization of 61505721 is 9 × 6287 × 1087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61505721)

Multiplication

n×y
n×2 123011442
n×3 184517163
n×4 246022884
n×5 307528605

Division

n÷y
n÷2 30752860.5
n÷3 20501907
n÷3 15376430.25
n÷5 12301144.2

Exponentiation

ny
n2 3782953715729841
n3 2.3267329579559E+23
n4 1.4310738815354E+31
n5 8.8019230888105E+38

Nth Root

y√n
2√n 7842.5583198342
3√n 394.73457787052
4√n 88.55821994504
5√n 36.12294108307

Divisors of 61505721

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 -61505720
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 61505721 can be divided by 8 positive divisors. The sum of these divisors (counting 61505721) is 1, the average is 0.125.

Base conversion 61505721

Base System Value
2 Binary 11101010101000000010111001
3 Ternary 11021201210222200
4 Quaternary 3222220002321
5 Quinary 111221140341
6 Senary 10034140413
8 Octal 352500271
10 Decimal 61505721
12 Duodecimal 18721709
16 Hexadecimal 3aa80b9
20 Vigesimal j48461
36 Base36 10ma49

Cryptographic Hash Functions

md5 966d0d8c753b25564ea1b84bbe605102
sha1 8ba13fce254666e73bcb9e0a9c998b432a4691b5
sha256 8e723a0a5ad4cd775456a9223eb34a064cc16e4abd300475e82b26f9fd9e8406
sha512 423fdd8f953c995ce7ff31c63ce52a9692a9ce952bba22fefcb65e2ee738d8c6655c237a1a9a908652ebee3af9462d6546ae9037bbae396488a8e681d84237a9
ripemd-160 836cf8c82c7d411b7c50824320e7dd0cb9c83372

61505721 as geometric shapes

Circle

Radius = n
Diameter 123011442
Circumference 386451842.49469
Area 1.1884499602207E+16

Sphere

Radius = n
Volume 9.7461962234395E+23
Surface area 4.7537998408828E+16
Circumference 386451842.49469

Square

Length = n
Perimeter 246022884
Area 3782953715729841
Diagonal 86982224.801736

Cube

Length = n
Surface area 22697722294379046
Volume 2.3267329579559E+23
Space diagonal 106531033.72816

Equilateral Triangle

Length = n
Perimeter 184517163
Area 1.6380670095814E+15
Altitude 53265516.864078

Triangular Pyramid

Length = n
Surface area 1.6380670095814E+15
Volume 2.7420810876348E+22
Height 28994074.933912