261649142 (number)

261649142 is an even 9-digits composite number following 261649141 and preceding 261649143. In scientific notation, it is written as 2.61649142 × 10^8. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 121744128 positive integers (up to 261649142) that are relatively prime to 261649142.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million six hundred forty-nine thousand one hundred forty-two

Notation

Scientific notation 2.61649142 × 10^8
Engineering notation 2.61649142 × 10^6

Prime Factorization of 261649142

Prime Factorization 2 × 17 × 89 × 86467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 261649142
Product of the distinct prime numbers

The prime factorization of 261649142 is 2 × 17 × 89 × 86467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 30, 23, 754, 929, 7588, 7225, 63323, 93181, 165085, 760552, 6014960, 5155196, 35232108, 19870440, 247699811, 893874488, 911908025, 5195673960

Basic calculations (n = 261649142)

Multiplication

n×y
n×2 523298284
n×3 784947426
n×4 1046596568
n×5 1308245710

Division

n÷y
n÷2 130824571
n÷3 87216380.666667
n÷3 65412285.5
n÷5 52329828.4

Exponentiation

ny
n2 68460273509336164
n3 1.7912571824803E+25
n4 4.6868090489731E+33
n5 1.2262995663817E+42

Nth Root

y√n
2√n 16175.572385545
3√n 639.59702985543
4√n 127.18322367964
5√n 48.255171448311

Divisors of 261649142

1, 2, 17, 34, 89, 178, 1513, 3026, 86467, 172934, 1469939, 2939878, 7695563, 15391126, 130824571, 261649142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261649141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261649142 can be divided by 16 positive divisors. The sum of these divisors (counting 261649142) is 1, the average is 0.0625.

Base conversion 261649142

Base System Value
2 Binary 1111100110000111001011110110
3 Ternary 200020100011010222
4 Quaternary 33212013023312
5 Quinary 1013440233032
6 Senary 41544014342
8 Octal 1746071366
10 Decimal 261649142
12 Duodecimal 737613b2
16 Hexadecimal f9872f6
20 Vigesimal 41f62h2
36 Base36 4bs1rq

Cryptographic Hash Functions

md5 2c6081e9053641d0cf11870dcd3ed0eb
sha1 91faf1414aa30a888779faa7f239ebd61d678fcc
sha256 6759d08d6087e87b86f442607ed403e597e1d3e140c0d243a73327faa35eec6f
sha512 8bdbc9c5e4de57fa99f20a343185c4990ff8aaa65035523982190025032cfec7de7db21510da6654032784ee6a338f1d7c9f5f2068cea4db750f1970aa1b4719
ripemd-160 a920efe8fadf57ef407f12fc1585004f816196fb

261649142 as geometric shapes

Circle

Radius = n
Diameter 523298284
Circumference 1643990044.6505
Area 2.1507429231968E+17

Sphere

Radius = n
Volume 7.5032005402268E+25
Surface area 8.6029716927871E+17
Circumference 1643990044.6505

Square

Length = n
Perimeter 1046596568
Area 68460273509336164
Diagonal 370027765.19968

Cube

Length = n
Surface area 410761641056016984
Volume 1.7912571824803E+25
Space diagonal 453189607.7008

Equilateral Triangle

Length = n
Perimeter 784947426
Area 2.9644168004558E+16
Altitude 226594803.8504

Triangular Pyramid

Length = n
Surface area 2.9644168004558E+16
Volume 2.1110168343016E+24
Height 123342588.39989