Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

261381 (number)

261381 is an odd 6-digits composite number following 261380 and preceding 261382. In scientific notation, it is written as 2.61381 × 10^5. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 172800 positive integers (up to 261381) that are relatively prime to 261381.

Interesting facts

261381 has 8 divisors, whose sum is 351424
The reverse of 261381 is 183162
Previous prime number is 151

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3

Name

Name	two hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation	2.61381 × 10^5
Engineering notation	2.61381 × 10^3

Prime Factorization of 261381

Prime Factorization 3 × 151 × 577

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	261381	Product of the distinct prime numbers

The prime factorization of 261381 is 3 × 151 × 577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 66, 77, 342, 389, 2901, 2308, 27171, 13531, 497953, 697428, 2342065, 776317, 59580890, 12975488, 207728058, 295399624, 2888319682, 3285868839

Basic calculations (n = 261381)

Multiplication

n×y

n×2	522762
n×3	784143
n×4	1045524
n×5	1306905

Division

n÷y

n÷2	130690.5
n÷3	87127
n÷3	65345.25
n÷5	52276.2

Exponentiation

n^y

n²	68320027161
n³	17857557019369341
n⁴	4.6676261112798E+21
n⁵	1.2200287805924E+27

Nth Root

^y√n

²√n	511.25433983488
³√n	63.937846560424
⁴√n	22.61093407701
⁵√n	12.118665634275

Divisors of 261381

1, 3, 151, 453, 577, 1731, 87127, 261381

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-261380	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261381 can be divided by 8 positive divisors. The sum of these divisors (counting 261381) is 1, the average is 0.125.

Base conversion 261381

Base	System	Value
2	Binary	111111110100000101
3	Ternary	111021112210
4	Quaternary	333310011
5	Quinary	31331011
6	Senary	5334033
8	Octal	776405
10	Decimal	261381
12	Duodecimal	107319
16	Hexadecimal	3fd05
20	Vigesimal	1cd91
36	Base36	5lol

Cryptographic Hash Functions

md5	67ec40b7ca3a8a111b9825dda07a9cc3
sha1	e955449b9e18fdbf36a3965d95b488684c62e709
sha256	337cbf4193e6ec79228ef4c66715dd41cfdc1d4befddf4e3b9e59d62fefa25f2
sha512	b354bf29af973381f2fccb2a0de49bd6004783129089f3714d04a6351b82da73b5a3393d0e8d47625e26c0ab846bafeee0b08edfb0e05f379a7fa0939e8454aa
ripemd-160	3e6a165698552d7220da560f2a798c61fca91087

261381 as geometric shapes

Circle

Radius = n

Diameter	522762
Circumference	1642305.2587759
Area	214633695422.05

Sphere

Radius = n

Volume	7.4801559924149E+16
Surface area	858534781688.21
Circumference	1642305.2587759

Square

Length = n

Perimeter	1045524
Area	68320027161
Diagonal	369648.55514664

Cube

Length = n

Surface area	409920162966
Volume	17857557019369341
Space diagonal	452725.17213316

Equilateral Triangle

Length = n

Perimeter	784143
Area	29583439554.334
Altitude	226362.58606658

Triangular Pyramid

Length = n

Surface area	29583439554.334
Volume	2.1045332773036E+15
Height	123216.18504888