261749394 (number)

261749394 is an even 9-digits composite number following 261749393 and preceding 261749395. In scientific notation, it is written as 2.61749394 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 87249636 positive integers (up to 261749394) that are relatively prime to 261749394.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred forty-nine thousand three hundred ninety-four

Notation

Scientific notation 2.61749394 × 10^8
Engineering notation 2.61749394 × 10^6

Prime Factorization of 261749394

Prime Factorization 2 × 3 × 9 × 9 × 538579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 29083266
Product of the distinct prime numbers

The prime factorization of 261749394 is 2 × 3 × 9 × 9 × 538579. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 6, 94, 823, 34, 9757, 4892, 92695, 87972, 113392, 790440, 5873609, 3918066, 96382779, 73731254, 338657595, 336610247, 8180243972, 8595783692

Basic calculations (n = 261749394)

Multiplication

n×y
n×2 523498788
n×3 785248182
n×4 1046997576
n×5 1308746970

Division

n÷y
n÷2 130874697
n÷3 87249798
n÷3 65437348.5
n÷5 52349878.8

Exponentiation

ny
n2 68512745259367236
n3 1.7933169552916E+25
n4 4.6939962629749E+33
n5 1.228650677272E+42

Nth Root

y√n
2√n 16178.670959013
3√n 639.67870754703
4√n 127.19540463009
5√n 48.258868717219

Divisors of 261749394

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 538579, 1077158, 1615737, 3231474, 4847211, 9694422, 14541633, 29083266, 43624899, 87249798, 130874697, 261749394

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261749393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261749394 can be divided by 24 positive divisors. The sum of these divisors (counting 261749394) is 1, the average is 0.041666666666667.

Base conversion 261749394

Base System Value
2 Binary 1111100110011111101010010010
3 Ternary 200020112020200000
4 Quaternary 33212133222102
5 Quinary 1014001440034
6 Senary 41550110430
8 Octal 1746375222
10 Decimal 261749394
12 Duodecimal 737ab416
16 Hexadecimal f99fa92
20 Vigesimal 41fid9e
36 Base36 4bu74i

Cryptographic Hash Functions

md5 4de2a22fd318c09b1b5984f8aeb6ba4c
sha1 f51f94aa49d54874f10428bfe8cea95494b6c8fe
sha256 96d7d3fdc8e44ddbfe69e47b7ad35532e6967c6e58e7b93bf5f37b70d86f96be
sha512 b7c0f7b6a70415e642946e49f644386164baece9bb9bf6e42b0e6b3cdfd5edecd156b9ea8cafc8d50f24182eb9d75d1e5cd67b36989a2be8bab1691e12319d34
ripemd-160 6e81a1fd7982a3e7bf6db6edfe5198c6bb7da0fc

261749394 as geometric shapes

Circle

Radius = n
Diameter 523498788
Circumference 1644619946.544
Area 2.152391371841E+17

Sphere

Radius = n
Volume 7.5118284964027E+25
Surface area 8.6095654873639E+17
Circumference 1644619946.544

Square

Length = n
Perimeter 1046997576
Area 68512745259367236
Diagonal 370169542.93774

Cube

Length = n
Surface area 411076471556203416
Volume 1.7933169552916E+25
Space diagonal 453363249.25836

Equilateral Triangle

Length = n
Perimeter 785248182
Area 2.9666888938812E+16
Altitude 226681624.62918

Triangular Pyramid

Length = n
Surface area 2.9666888938812E+16
Volume 2.1134442998391E+24
Height 123389847.64591