261091 (number)

261091 is an odd 6-digits composite number following 261090 and preceding 261092. In scientific notation, it is written as 2.61091 × 10^5. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 259272 positive integers (up to 261091) that are relatively prime to 261091.

Interesting facts

Basic properties

Name

Name two hundred sixty-one thousand ninety-one

Notation

Scientific notation 2.61091 × 10^5
Engineering notation 2.61091 × 10^3

Prime Factorization of 261091

Prime Factorization 157 × 1663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261091
Product of the distinct prime numbers

The prime factorization of 261091 is 157 × 1663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261091)

Multiplication

n×y
n×2 522182
n×3 783273
n×4 1044364
n×5 1305455

Division

n÷y
n÷2 130545.5
n÷3 87030.333333333
n÷3 65272.75
n÷5 52218.2

Exponentiation

ny
n2 68168510281
n3 17798184517776571
n4 4.6469457939308E+21
n5 1.2132757242832E+27

Nth Root

y√n
2√n 510.97064494939
3√n 63.914191644011
4√n 22.604659806097
5√n 12.115975328738

Divisors of 261091

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261091 can be divided by 4 positive divisors. The sum of these divisors (counting 261091) is 1, the average is 0.25.

Base conversion 261091

Base System Value
2 Binary 111111101111100011
3 Ternary 111021011001
4 Quaternary 333233203
5 Quinary 31323331
6 Senary 5332431
8 Octal 775743
10 Decimal 261091
12 Duodecimal 107117
16 Hexadecimal 3fbe3
20 Vigesimal 1cceb
36 Base36 5lgj

Cryptographic Hash Functions

md5 dde4a60cebe71927514e36041dc6c437
sha1 7ec0dd35e39c8e99e2b9f9f52073a0c207fa7f65
sha256 ebbdb31dff02e10f5f12ab8f978548cfcb69e1ef6ef53538e979ba57092f37a7
sha512 92478aaf62ac13daf22ec5af5b992b25095d32297d2efe651e7d91a6ed0ec569954ba67c28b7d505f4a744371554ece7d0a5884655497985f77d421027523e3f
ripemd-160 7e35eb5736244065383f6b65d4d2afb7766052a9

261091 as geometric shapes

Circle

Radius = n
Diameter 522182
Circumference 1640483.1350368
Area 214157691104.95

Sphere

Radius = n
Volume 7.4552860971043E+16
Surface area 856630764419.8
Circumference 1640483.1350368

Square

Length = n
Perimeter 1044364
Area 68168510281
Diagonal 369238.43321355

Cube

Length = n
Surface area 409011061686
Volume 17798184517776571
Space diagonal 452222.87739897

Equilateral Triangle

Length = n
Perimeter 783273
Area 29517830820.743
Altitude 226111.43869948

Triangular Pyramid

Length = n
Surface area 29517830820.743
Volume 2.0975361608882E+15
Height 123079.47773785