261640 (number)

261640 is an even 6-digits composite number following 261639 and preceding 261641. In scientific notation, it is written as 2.61640 × 10^5. The sum of its digits is 19. It has a total of 6 prime factors and 32 positive divisors. There are 100800 positive integers (up to 261640) that are relatively prime to 261640.

Interesting facts

Basic properties

Name

Name two hundred sixty-one thousand six hundred forty

Notation

Scientific notation 2.61640 × 10^5
Engineering notation 2.61640 × 10^3

Prime Factorization of 261640

Prime Factorization 2 × 2 × 2 × 5 × 31 × 211

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 65410
Product of the distinct prime numbers

The prime factorization of 261640 is 2 × 2 × 2 × 5 × 31 × 211. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261640)

Multiplication

n×y
n×2 523280
n×3 784920
n×4 1046560
n×5 1308200

Division

n÷y
n÷2 130820
n÷3 87213.333333333
n÷3 65410
n÷5 52328

Exponentiation

ny
n2 68455489600
n3 17910694298944000
n4 4.6861540563757E+21
n5 1.2260853473101E+27

Nth Root

y√n
2√n 511.50757570147
3√n 63.958958061239
4√n 22.61653323791
5√n 12.121066337526

Divisors of 261640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261640 can be divided by 32 positive divisors. The sum of these divisors (counting 261640) is 1, the average is 0.03125.

Base conversion 261640

Base System Value
2 Binary 111111111000001000
3 Ternary 111021220101
4 Quaternary 333320020
5 Quinary 31333030
6 Senary 5335144
8 Octal 777010
10 Decimal 261640
12 Duodecimal 1074b4
16 Hexadecimal 3fe08
20 Vigesimal 1ce20
36 Base36 5lvs

Cryptographic Hash Functions

md5 51d6303dc83a2044e89385053bb7bf9d
sha1 a8652f617c0c711157628bf9ca887e325bb8cf25
sha256 4954f139d91e1dcb7815e4ec3c7fdd1bbea0d3ace1e9fc17ad34f84c190c2c01
sha512 301469b6caad50b714b7226866deaffe5c21b9fbe3f67b0f36ff33d56ffe33a5dfd0e63101af957a78e0fb36a4ed6cfc47ecaff85cfd0d2a1d05aa5481dcd638
ripemd-160 650bf8cdb075e13892620df83916b5dc9ca7b5ef

261640 as geometric shapes

Circle

Radius = n
Diameter 523280
Circumference 1643932.6037705
Area 215059263225.25

Sphere

Radius = n
Volume 7.502414084034E+16
Surface area 860237052901.01
Circumference 1643932.6037705

Square

Length = n
Perimeter 1046560
Area 68455489600
Diagonal 370014.8364593

Cube

Length = n
Surface area 410732937600
Volume 17910694298944000
Space diagonal 453173.77329232

Equilateral Triangle

Length = n
Perimeter 784920
Area 29642096511.051
Altitude 226586.88664616

Triangular Pyramid

Length = n
Surface area 29642096511.051
Volume 2.1107955657571E+15
Height 123338.27881977