61291281 (number)

61291281 is an odd 8-digits composite number following 61291280 and preceding 61291282. In scientific notation, it is written as 6.1291281 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 40343472 positive integers (up to 61291281) that are relatively prime to 61291281.

Interesting facts

Basic properties

Name

Name sixty-one million two hundred ninety-one thousand two hundred eighty-one

Notation

Scientific notation 6.1291281 × 10^7
Engineering notation 6.1291281 × 10^6

Prime Factorization of 61291281

Prime Factorization 79 × 3 × 258613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61291281
Product of the distinct prime numbers

The prime factorization of 61291281 is 79 × 3 × 258613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61291281)

Multiplication

n×y
n×2 122582562
n×3 183873843
n×4 245165124
n×5 306456405

Division

n÷y
n÷2 30645640.5
n÷3 20430427
n÷3 15322820.25
n÷5 12258256.2

Exponentiation

ny
n2 3756621126620961
n3 2.3024812108226E+23
n4 1.4112202288975E+31
n5 8.6495495602241E+38

Nth Root

y√n
2√n 7828.8748233702
3√n 394.27529567468
4√n 88.480929150694
5√n 36.097717318893

Divisors of 61291281

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 -61291280
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 61291281 can be divided by 8 positive divisors. The sum of these divisors (counting 61291281) is 1, the average is 0.125.

Base conversion 61291281

Base System Value
2 Binary 11101001110011101100010001
3 Ternary 11021022220211110
4 Quaternary 3221303230101
5 Quinary 111142310111
6 Senary 10025403533
8 Octal 351635421
10 Decimal 61291281
12 Duodecimal 186395a9
16 Hexadecimal 3a73b11
20 Vigesimal j31841
36 Base36 10honl

Cryptographic Hash Functions

md5 b1706a0314dc4b4f35c44b9f57f769ab
sha1 90d17aba26c03f9fa6b826a2085a58eb5be0367f
sha256 7795fdd371ebf4d125a9ffaa0fc21937a3d3e422893081b74654259edc2f1124
sha512 2bee2d2d4d52d0de679e1426877d5e29e2c6320008aca1daf6445b29f2c05f2e97bed5bdfa9935d8dc700279029f7264bb3bc9a2d6e3e7f21f90d4c3a4b0a627
ripemd-160 f126a8f6e72269ccf029b44020124100b0064428

61291281 as geometric shapes

Circle

Radius = n
Diameter 122582562
Circumference 385104476.23742
Area 1.1801773333713E+16

Sphere

Radius = n
Volume 9.6446107425985E+23
Surface area 4.720709333485E+16
Circumference 385104476.23742

Square

Length = n
Perimeter 245165124
Area 3756621126620961
Diagonal 86678960.84542

Cube

Length = n
Surface area 22539726759725766
Volume 2.3024812108226E+23
Space diagonal 106159612.75298

Equilateral Triangle

Length = n
Perimeter 183873843
Area 1.6266646640235E+15
Altitude 53079806.37649

Triangular Pyramid

Length = n
Surface area 1.6266646640235E+15
Volume 2.7135001295455E+22
Height 28892986.948473