12781013 (number)

12781013 is an odd 8-digits composite number following 12781012 and preceding 12781014. In scientific notation, it is written as 1.2781013 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 10850112 positive integers (up to 12781013) that are relatively prime to 12781013.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand thirteen

Notation

Scientific notation 1.2781013 × 10^7
Engineering notation 1.2781013 × 10^6

Prime Factorization of 12781013

Prime Factorization 7 × 7 × 109 × 2393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1825859
Product of the distinct prime numbers

The prime factorization of 12781013 is 7 × 7 × 109 × 2393. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12781013)

Multiplication

n×y
n×2 25562026
n×3 38343039
n×4 51124052
n×5 63905065

Division

n÷y
n÷2 6390506.5
n÷3 4260337.6666667
n÷3 3195253.25
n÷5 2556202.6

Exponentiation

ny
n2 163354293306169
n3 2.087833346352E+21
n4 2.6684625141558E+28
n5 3.4105654083438E+35

Nth Root

y√n
2√n 3575.0542653224
3√n 233.80569864318
4√n 59.791757503208
5√n 26.382324348182

Divisors of 12781013

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 -12781012
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 12781013 can be divided by 12 positive divisors. The sum of these divisors (counting 12781013) is 1, the average is 0.083333333333333.

Base conversion 12781013

Base System Value
2 Binary 110000110000010111010101
3 Ternary 220001100020212
4 Quaternary 300300113111
5 Quinary 11232443023
6 Senary 1133535205
8 Octal 60602725
10 Decimal 12781013
12 Duodecimal 4344505
16 Hexadecimal c305d5
20 Vigesimal 3jhcad
36 Base36 7lxw5

Cryptographic Hash Functions

md5 6a728a451d315c4ffb02949b909aee36
sha1 c77bc94e3a0cdaf1124c2a78e3b078f53738decf
sha256 c7bf5b5175d2251d0ac2dcb5d21fb9ce65f218b6a164bfe553a846657e34e7f6
sha512 d334fb3808c4daeb9bac0fb607ad6f7e08186c5579ed9f98a48b86483b4fc8ae24eccce3a5e52a7cf85027dab82f3f01d33718891ee0c5aba901055ed0ab5f7e
ripemd-160 460a8b2eab54f308597df6998928105bb0b8c874

12781013 as geometric shapes

Circle

Radius = n
Diameter 25562026
Circumference 80305473.092471
Area 5.1319264778301E+14

Sphere

Radius = n
Volume 8.7454958704255E+21
Surface area 2.0527705911321E+15
Circumference 80305473.092471

Square

Length = n
Perimeter 51124052
Area 163354293306169
Diagonal 18075081.925467

Cube

Length = n
Surface area 980125759837014
Volume 2.087833346352E+21
Space diagonal 22137363.888198

Equilateral Triangle

Length = n
Perimeter 38343039
Area 70734483910198
Altitude 11068681.944099

Triangular Pyramid

Length = n
Surface area 70734483910198
Volume 2.4605351953215E+20
Height 6025027.3084889