12781109 (number)

12781109 is an odd 8-digits composite number following 12781108 and preceding 12781110. In scientific notation, it is written as 1.2781109 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 11394240 positive integers (up to 12781109) that are relatively prime to 12781109.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2781109 × 10^7
Engineering notation 1.2781109 × 10^6

Prime Factorization of 12781109

Prime Factorization 11 × 11 × 53 × 1993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1161919
Product of the distinct prime numbers

The prime factorization of 12781109 is 11 × 11 × 53 × 1993. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12781109)

Multiplication

n×y
n×2 25562218
n×3 38343327
n×4 51124436
n×5 63905545

Division

n÷y
n÷2 6390554.5
n÷3 4260369.6666667
n÷3 3195277.25
n÷5 2556221.8

Exponentiation

ny
n2 163356747269881
n3 2.0878803927418E+21
n4 2.6685426878596E+28
n5 3.4106934964686E+35

Nth Root

y√n
2√n 3575.0676916668
3√n 233.80628402429
4√n 59.791869778983
5√n 26.382363980339

Divisors of 12781109

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12781108
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12781109 can be divided by 12 positive divisors. The sum of these divisors (counting 12781109) is 1, the average is 0.083333333333333.

Base conversion 12781109

Base System Value
2 Binary 110000110000011000110101
3 Ternary 220001100101102
4 Quaternary 300300120311
5 Quinary 11232443414
6 Senary 1133535445
8 Octal 60603065
10 Decimal 12781109
12 Duodecimal 4344585
16 Hexadecimal c30635
20 Vigesimal 3jhcf9
36 Base36 7lxyt

Cryptographic Hash Functions

md5 c4a7ffaaf8fcdeb9f889cf6986060c50
sha1 6863fe03b2a48a2386dad861435b6a3dedff3377
sha256 ae5fc2a33085921da300727f5087a510c32ae19458d561e601a1fb752484dcb0
sha512 f213c3497180bddc0c2fe96aa3062c9ea7e5e01501bb0c9189c135a16a3f9ff5c1150865a8614dc5b37a3703315de5c1e1526f2fc39a226930a86b684369730e
ripemd-160 4b6ac7b0a1d5bc70ff8f5165212f6098ce50d8a8

12781109 as geometric shapes

Circle

Radius = n
Diameter 25562218
Circumference 80306076.278261
Area 5.1320035713738E+14

Sphere

Radius = n
Volume 8.7456929378824E+21
Surface area 2.0528014285495E+15
Circumference 80306076.278261

Square

Length = n
Perimeter 51124436
Area 163356747269881
Diagonal 18075217.689969

Cube

Length = n
Surface area 980140483619286
Volume 2.0878803927418E+21
Space diagonal 22137530.165076

Equilateral Triangle

Length = n
Perimeter 38343327
Area 70735546507656
Altitude 11068765.082538

Triangular Pyramid

Length = n
Surface area 70735546507656
Volume 2.4605906400236E+20
Height 6025072.5633229