1381255981 (number)

1381255981 is an odd 10-digits composite number following 1381255980 and preceding 1381255982. In scientific notation, it is written as 1.381255981 × 10^9. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 1183933692 positive integers (up to 1381255981) that are relatively prime to 1381255981.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-one million two hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.381255981 × 10^9
Engineering notation 1.381255981 × 10^9

Prime Factorization of 1381255981

Prime Factorization 7 × 197322283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1381255981
Product of the distinct prime numbers

The prime factorization of 1381255981 is 7 × 197322283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 99, 99, 92, 737, 8780, 8932, 80978, 11513, 646205, 936249, 3125014, 6526792, 56716391, 19047178, 189784899, 962692048, 2591545555, 175081623

Basic calculations (n = 1381255981)

Multiplication

n×y
n×2 2762511962
n×3 4143767943
n×4 5525023924
n×5 6906279905

Division

n÷y
n÷2 690627990.5
n÷3 460418660.33333
n÷3 345313995.25
n÷5 276251196.2

Exponentiation

ny
n2 1907868085048272361
n3 2.6352542034319E+27
n4 3.6399606299458E+36
n5 5.0277173907171E+45

Nth Root

y√n
2√n 37165.252333329
3√n 1113.6739397841
4√n 192.78291504521
5√n 67.306163213781

Divisors of 1381255981

1, 7, 197322283, 1381255981

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 -1381255980
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 1381255981 can be divided by 4 positive divisors. The sum of these divisors (counting 1381255981) is 1, the average is 0.25.

Base conversion 1381255981

Base System Value
2 Binary 1010010010101000100101100101101
3 Ternary 10120021002001222221
4 Quaternary 1102111010230231
5 Quinary 10312100142411
6 Senary 345021035341
8 Octal 12225045455
10 Decimal 1381255981
12 Duodecimal 3266b5b51
16 Hexadecimal 52544b2d
20 Vigesimal 11bcgjj1
36 Base36 mud3xp

Cryptographic Hash Functions

md5 5040c9110382e1e6da7aead7a3e23da3
sha1 5aa02737edeefc9c751b7957e1e8bfe06edef9af
sha256 9e8e8f7fc23dec6113636445d648e7fb4c2b378536f8605f168388bc40c6eca8
sha512 ceecd4f304e0a1aa0057670e1f63a2c6a926867b0b6a7464b79f68788ccd41253344e63ef425a52272aa11c64f4228c7b7c051d6af49164b82fed6f0a51dafe3
ripemd-160 cc627b959d7215e011ae213325e68531a3649638

1381255981 as geometric shapes

Circle

Radius = n
Diameter 2762511962
Circumference 8678687285.2731
Area 5.9937443600061E+18

Sphere

Radius = n
Volume 1.1038526994458E+28
Surface area 2.3974977440024E+19
Circumference 8678687285.2731

Square

Length = n
Perimeter 5525023924
Area 1907868085048272361
Diagonal 1953390941.4392

Cube

Length = n
Surface area 1.144720851029E+19
Volume 2.6352542034319E+27
Space diagonal 2392405537.3504

Equilateral Triangle

Length = n
Perimeter 4143767943
Area 8.2613111436069E+17
Altitude 1196202768.6752

Triangular Pyramid

Length = n
Surface area 8.2613111436069E+17
Volume 3.1056768623285E+26
Height 651130313.81305