261728140 (number)

261728140 is an even 9-digits composite number following 261728139 and preceding 261728141. In scientific notation, it is written as 2.61728140 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 104460480 positive integers (up to 261728140) that are relatively prime to 261728140.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred twenty-eight thousand one hundred forty

Notation

Scientific notation 2.61728140 × 10^8
Engineering notation 2.61728140 × 10^6

Prime Factorization of 261728140

Prime Factorization 2 × 2 × 5 × 461 × 28387

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 130864070
Product of the distinct prime numbers

The prime factorization of 261728140 is 2 × 2 × 5 × 461 × 28387. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 16, 65, 942, 499, 9468, 1485, 46142, 67822, 804105, 18953, 8780161, 8679509, 49659072, 35631393, 392821850, 454113582, 2941689832, 2610612267

Basic calculations (n = 261728140)

Multiplication

n×y
n×2 523456280
n×3 785184420
n×4 1046912560
n×5 1308640700

Division

n÷y
n÷2 130864070
n÷3 87242713.333333
n÷3 65432035
n÷5 52345628

Exponentiation

ny
n2 68501619267859600
n3 1.7928801397965E+25
n4 4.6924718423188E+33
n5 1.2281519272925E+42

Nth Root

y√n
2√n 16178.014093207
3√n 639.66139314941
4√n 127.19282249092
5√n 48.258084969607

Divisors of 261728140

1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 28387, 56774, 113548, 141935, 283870, 567740, 13086407, 26172814, 52345628, 65432035, 130864070, 261728140

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 -261728139
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 261728140 can be divided by 24 positive divisors. The sum of these divisors (counting 261728140) is 1, the average is 0.041666666666667.

Base conversion 261728140

Base System Value
2 Binary 1111100110011010011110001100
3 Ternary 200020111011111211
4 Quaternary 33212122132030
5 Quinary 1014000300030
6 Senary 41545424204
8 Octal 1746323614
10 Decimal 261728140
12 Duodecimal 7379b064
16 Hexadecimal f99a78c
20 Vigesimal 41fg070
36 Base36 4btqq4

Cryptographic Hash Functions

md5 ee38a7a1ed2d53400668052f854872d1
sha1 cf931f0a9d10d0f13e8f4f04a8d185bd1dbfbde8
sha256 dc25e6659a18ffd4b775bb56833b5a38ca2bc79a8f84dbdf2ab31b82bb419e40
sha512 fd9c2dfe539a99215fa0bf80e78a7660e46fce26eef777305ba99e28cca248b86c2e9aab564acf82db4b812e3908f2bb35157dece78d864ea4ba85b37d2dfb98
ripemd-160 dea6f74960cca8163246a3a7dad7f2ec8e611c4c

261728140 as geometric shapes

Circle

Radius = n
Diameter 523456280
Circumference 1644486403.7234
Area 2.1520418385091E+17

Sphere

Radius = n
Volume 7.5099987679357E+25
Surface area 8.6081673540365E+17
Circumference 1644486403.7234

Square

Length = n
Perimeter 1046912560
Area 68501619267859600
Diagonal 370139485.24268

Cube

Length = n
Surface area 411009715607157600
Volume 1.7928801397965E+25
Space diagonal 453326436.2505

Equilateral Triangle

Length = n
Perimeter 785184420
Area 2.9662071243168E+16
Altitude 226663218.12525

Triangular Pyramid

Length = n
Surface area 2.9662071243168E+16
Volume 2.1129295078413E+24
Height 123379828.41423