261431421 (number)

261431421 is an odd 9-digits composite number following 261431420 and preceding 261431422. In scientific notation, it is written as 2.61431421 × 10^8. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 171430320 positive integers (up to 261431421) that are relatively prime to 261431421.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million four hundred thirty-one thousand four hundred twenty-one

Notation

Scientific notation 2.61431421 × 10^8
Engineering notation 2.61431421 × 10^6

Prime Factorization of 261431421

Prime Factorization 3 × 61 × 1428587

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261431421
Product of the distinct prime numbers

The prime factorization of 261431421 is 3 × 61 × 1428587. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 14, 48, 454, 891, 3670, 5381, 63311, 42403, 184846, 17443, 6819667, 6730626, 17849435, 45652111, 502721617, 580436890, 9434474156, 1375239108

Basic calculations (n = 261431421)

Multiplication

n×y
n×2 522862842
n×3 784294263
n×4 1045725684
n×5 1307157105

Division

n÷y
n÷2 130715710.5
n÷3 87143807
n÷3 65357855.25
n÷5 52286284.2

Exponentiation

ny
n2 68346387886079241
n3 1.7867893305275E+25
n4 4.6712287370744E+33
n5 1.2212059665494E+42

Nth Root

y√n
2√n 16168.841053087
3√n 639.41957548969
4√n 127.15675779559
5√n 48.247138046966

Divisors of 261431421

1, 3, 61, 183, 1428587, 4285761, 87143807, 261431421

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 -261431420
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 261431421 can be divided by 8 positive divisors. The sum of these divisors (counting 261431421) is 1, the average is 0.125.

Base conversion 261431421

Base System Value
2 Binary 1111100101010010000001111101
3 Ternary 200012221002111020
4 Quaternary 33211102001331
5 Quinary 1013411301141
6 Senary 41535214353
8 Octal 1745220175
10 Decimal 261431421
12 Duodecimal 736773b9
16 Hexadecimal f95207d
20 Vigesimal 41diib1
36 Base36 4bndrx

Cryptographic Hash Functions

md5 0354c8f35abab71ddd85dfcc2f192006
sha1 e3dc2f405aa1ba89d3146486fd9850c9997b539f
sha256 5a05ec9027fec67778142d1561ab8f340e0bde2b8cd370ab8a233977df4d2da9
sha512 ee30cdde65df5c25c8ed3c78a911cd79aef76581ae12efcbc5892d9d9c6f9607e83ce9fb299b1d7fb75ccf1da177302d01782e39780d2d4b0d54dd6e94418076
ripemd-160 7c995c9dbb868a218168724f2523ddffdf3d0cb8

261431421 as geometric shapes

Circle

Radius = n
Diameter 522862842
Circumference 1642622063.2623
Area 2.147165100823E+17

Sphere

Radius = n
Volume 7.4844856457304E+25
Surface area 8.5886604032922E+17
Circumference 1642622063.2623

Square

Length = n
Perimeter 1045725684
Area 68346387886079241
Diagonal 369719861.20867

Cube

Length = n
Surface area 410078327316475446
Volume 1.7867893305275E+25
Space diagonal 452812503.86693

Equilateral Triangle

Length = n
Perimeter 784294263
Area 2.9594854083125E+16
Altitude 226406251.93346

Triangular Pyramid

Length = n
Surface area 2.9594854083125E+16
Volume 2.1057514202796E+24
Height 123239953.73622