1278121161 (number)

1278121161 is an odd 10-digits composite number following 1278121160 and preceding 1278121162. In scientific notation, it is written as 1.278121161 × 10^9. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 852080772 positive integers (up to 1278121161) that are relatively prime to 1278121161.

Interesting facts

Basic properties

Name

Name one billion two hundred seventy-eight million one hundred twenty-one thousand one hundred sixty-one

Notation

Scientific notation 1.278121161 × 10^9
Engineering notation 1.278121161 × 10^9

Prime Factorization of 1278121161

Prime Factorization 3 × 426040387

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1278121161
Product of the distinct prime numbers

The prime factorization of 1278121161 is 3 × 426040387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 54, 10, 934, 787, 5022, 5907, 79511, 4839, 614337, 82016, 2592708, 6044449, 53065760, 61689565, 573803161, 521528014, 6234689544, 680745005

Basic calculations (n = 1278121161)

Multiplication

n×y
n×2 2556242322
n×3 3834363483
n×4 5112484644
n×5 6390605805

Division

n÷y
n÷2 639060580.5
n÷3 426040387
n÷3 319530290.25
n÷5 255624232.2

Exponentiation

ny
n2 1633593702195987921
n3 2.087930679253E+27
n4 2.6686283838544E+36
n5 3.4108304082495E+45

Nth Root

y√n
2√n 35750.820424153
3√n 1085.2355413226
4√n 189.07887355321
5√n 66.269608518708

Divisors of 1278121161

1, 3, 426040387, 1278121161

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 -1278121160
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 1278121161 can be divided by 4 positive divisors. The sum of these divisors (counting 1278121161) is 1, the average is 0.25.

Base conversion 1278121161

Base System Value
2 Binary 1001100001011101001010011001001
3 Ternary 10022002000021121210
4 Quaternary 1030023221103021
5 Quinary 10104144334121
6 Senary 330454323333
8 Octal 11413512311
10 Decimal 1278121161
12 Duodecimal 2b8059549
16 Hexadecimal 4c2e94c9
20 Vigesimal jj852i1
36 Base36 l4ykll

Cryptographic Hash Functions

md5 4f761f1c1c9419fe2b5815498a5b4312
sha1 db7c3f7b6f9c5977e81aaec0d8ebe94518ec9456
sha256 a99da1c355d4f8513ee117ab49419a4133faa683784e08b9622bebf58f626796
sha512 62606a62e0ff62911ef6884c93055794386d9903fbca572a918de7907ef7d5d34d9ee158c6c3885507d846d7e5e1e94f158d7b543c285a1f01f7e1cd99b68673
ripemd-160 e6c1b598e83dd69ae08a6d22db3fe9222d279b7c

1278121161 as geometric shapes

Circle

Radius = n
Diameter 2556242322
Circumference 8030672099.5905
Area 5.1320859737695E+18

Sphere

Radius = n
Volume 8.7459035775281E+27
Surface area 2.0528343895078E+19
Circumference 8030672099.5905

Square

Length = n
Perimeter 5112484644
Area 1633593702195987921
Diagonal 1807536280.2422

Cube

Length = n
Surface area 9.8015622131759E+18
Volume 2.087930679253E+27
Space diagonal 2213770789.0809

Equilateral Triangle

Length = n
Perimeter 3834363483
Area 7.07366822782E+17
Altitude 1106885394.5405

Triangular Pyramid

Length = n
Surface area 7.07366822782E+17
Volume 2.4606499032454E+26
Height 602512093.41408