123281 (number)

123281 is an odd 6-digits composite number following 123280 and preceding 123282. In scientific notation, it is written as 1.23281 × 10^5. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 115920 positive integers (up to 123281) that are relatively prime to 123281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.23281 × 10^5
Engineering notation 1.23281 × 10^3

Prime Factorization of 123281

Prime Factorization 47 × 61 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 123281
Product of the distinct prime numbers

The prime factorization of 123281 is 47 × 61 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123281)

Multiplication

n×y
n×2 246562
n×3 369843
n×4 493124
n×5 616405

Division

n÷y
n÷2 61640.5
n÷3 41093.666666667
n÷3 30820.25
n÷5 24656.2

Exponentiation

ny
n2 15198204961
n3 1873649905797041
n4 2.3098543403657E+20
n5 2.8476115293462E+25

Nth Root

y√n
2√n 351.1139416201
3√n 49.769741245871
4√n 18.738034625331
5√n 10.427476738634

Divisors of 123281

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 -123280
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 123281 can be divided by 8 positive divisors. The sum of these divisors (counting 123281) is 1, the average is 0.125.

Base conversion 123281

Base System Value
2 Binary 11110000110010001
3 Ternary 20021002222
4 Quaternary 132012101
5 Quinary 12421111
6 Senary 2350425
8 Octal 360621
10 Decimal 123281
12 Duodecimal 5b415
16 Hexadecimal 1e191
20 Vigesimal f841
36 Base36 2n4h

Cryptographic Hash Functions

md5 6f6e0538ead46a68ea016263b2398ccd
sha1 a6c0714e718beeef17e95999ea945283b8bbf586
sha256 7dba6d9ad7bc4224d819431e97e6ae979feee0e9f5e8295f7906774dcc84845a
sha512 09030869e3f27472916249820c7a910424bbf4f124049547b0efa889034f4becb8c6d0c8d39ff6b18f6758d8b205058a7a8b4cad387c201e9cb068df23f5be21
ripemd-160 1e9566fde392e3d202356211fbbb658f5024c103

123281 as geometric shapes

Circle

Radius = n
Diameter 246562
Circumference 774597.36785441
Area 47746569053.23

Sphere

Radius = n
Volume 7.8483263726016E+15
Surface area 190986276212.92
Circumference 774597.36785441

Square

Length = n
Perimeter 493124
Area 15198204961
Diagonal 174345.66218292

Cube

Length = n
Surface area 91189229766
Volume 1873649905797041
Space diagonal 213528.9556079

Equilateral Triangle

Length = n
Perimeter 369843
Area 6581015794.0743
Altitude 106764.47780395

Triangular Pyramid

Length = n
Surface area 6581015794.0743
Volume 2.208117589931E+14
Height 58115.220727639