281361331 (number)

281361331 is an odd 9-digits composite number following 281361330 and preceding 281361332. In scientific notation, it is written as 2.81361331 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 281283912 positive integers (up to 281361331) that are relatively prime to 281361331.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.81361331 × 10^8
Engineering notation 2.81361331 × 10^6

Prime Factorization of 281361331

Prime Factorization 3823 × 73597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 281361331
Product of the distinct prime numbers

The prime factorization of 281361331 is 3823 × 73597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 78, 96, 645, 926, 132, 2348, 27906, 29589, 84362, 601457, 5193757, 7089036, 67821202, 41645491, 827120921, 9503982, 1235444541, 7559573996

Basic calculations (n = 281361331)

Multiplication

n×y
n×2 562722662
n×3 844083993
n×4 1125445324
n×5 1406806655

Division

n÷y
n÷2 140680665.5
n÷3 93787110.333333
n÷3 70340332.75
n÷5 56272266.2

Exponentiation

ny
n2 79164198582091561
n3 2.2273744280606E+25
n4 6.2669703371448E+33
n5 1.7632831153966E+42

Nth Root

y√n
2√n 16773.828751958
3√n 655.27178744711
4√n 129.51381683804
5√n 48.961293400187

Divisors of 281361331

1, 3823, 73597, 281361331

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 -281361330
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 281361331 can be divided by 4 positive divisors. The sum of these divisors (counting 281361331) is 1, the average is 0.25.

Base conversion 281361331

Base System Value
2 Binary 10000110001010011101110110011
3 Ternary 201121102122012001
4 Quaternary 100301103232303
5 Quinary 1034012030311
6 Senary 43530314431
8 Octal 2061235663
10 Decimal 281361331
12 Duodecimal 7a288a17
16 Hexadecimal 10c53bb3
20 Vigesimal 47ia36b
36 Base36 4nijsj

Cryptographic Hash Functions

md5 9301ba28d4b02b3463f164ca685b9b97
sha1 45e4a68d2c775d75f8e32a791083bce42064b251
sha256 dd5694d819f68ee267f860103edc8dc1329b52fd4b8be8a62e374b1147c9ef68
sha512 4f06044f2f727f5d82c8306b2c3b108fd4cef380e0923306d3ecc379a00284dc584ec8e50586e8a1df97ae5475a02c466188427e15de9da208ea904c346cee18
ripemd-160 6a82aaf9b9cc0698b0a965a2369f18fb8eb98eac

281361331 as geometric shapes

Circle

Radius = n
Diameter 562722662
Circumference 1767845380.9477
Area 2.4870166469282E+17

Sphere

Radius = n
Volume 9.3300041866518E+25
Surface area 9.9480665877129E+17
Circumference 1767845380.9477

Square

Length = n
Perimeter 1125445324
Area 79164198582091561
Diagonal 397905010.22755

Cube

Length = n
Surface area 474985191492549366
Volume 2.2273744280606E+25
Space diagonal 487332120.5772

Equilateral Triangle

Length = n
Perimeter 844083993
Area 3.4279103521164E+16
Altitude 243666060.2886

Triangular Pyramid

Length = n
Surface area 3.4279103521164E+16
Volume 2.6249859372052E+24
Height 132635003.40918