12798981 (number)

12798981 is an odd 8-digits composite number following 12798980 and preceding 12798982. In scientific notation, it is written as 1.2798981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 7809696 positive integers (up to 12798981) that are relatively prime to 12798981.

Interesting facts

Basic properties

Name

Name twelve million seven hundred ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation 1.2798981 × 10^7
Engineering notation 1.2798981 × 10^6

Prime Factorization of 12798981

Prime Factorization 9 × 13 × 139 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12798981
Product of the distinct prime numbers

The prime factorization of 12798981 is 9 × 13 × 139 × 787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12798981)

Multiplication

n×y
n×2 25597962
n×3 38396943
n×4 51195924
n×5 63994905

Division

n÷y
n÷2 6399490.5
n÷3 4266327
n÷3 3199745.25
n÷5 2559796.2

Exponentiation

ny
n2 163813914638361
n3 2.096651180992E+21
n4 2.6834998629144E+28
n5 3.4346063758944E+35

Nth Root

y√n
2√n 3577.5663515859
3√n 233.91521144631
4√n 59.81276077549
5√n 26.389738021277

Divisors of 12798981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12798980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12798981 can be divided by 16 positive divisors. The sum of these divisors (counting 12798981) is 1, the average is 0.0625.

Base conversion 12798981

Base System Value
2 Binary 110000110100110000000101
3 Ternary 220002020220100
4 Quaternary 300310300011
5 Quinary 11234031411
6 Senary 1134154313
8 Octal 60646005
10 Decimal 12798981
12 Duodecimal 4352999
16 Hexadecimal c34c05
20 Vigesimal 3jjh91
36 Base36 7mbr9

Cryptographic Hash Functions

md5 5ed27a68b25e06a5a423bade7a38ab20
sha1 d92aed74b7bc83141c439af02077c8f893bff260
sha256 dd1df8a829e546769c6d7c30b9245173a8f10d24cf9cbae0f58b1078c42e19a2
sha512 6e66152a0f6e666e53fcbb20933810f0fbf6ff8f1015aa16fc7a1137aadda7d22c5fb07fb19e79b323f7b0861bcdca176175f55fdd3f3b51ed4d3dd2839e1eb2
ripemd-160 ba745b5966fb352a9bfa8c90dc3bbae5ade759bb

12798981 as geometric shapes

Circle

Radius = n
Diameter 25597962
Circumference 80418369.366071
Area 5.1463659078366E+14

Sphere

Radius = n
Volume 8.7824319297931E+21
Surface area 2.0585463631346E+15
Circumference 80418369.366071

Square

Length = n
Perimeter 51195924
Area 163813914638361
Diagonal 18100492.514756

Cube

Length = n
Surface area 982883487830166
Volume 2.096651180992E+21
Space diagonal 22168485.377109

Equilateral Triangle

Length = n
Perimeter 38396943
Area 70933505785098
Altitude 11084242.688554

Triangular Pyramid

Length = n
Surface area 70933505785098
Volume 2.4709271131037E+20
Height 6033497.5049185