12981345 (number)

12981345 is an odd 8-digits composite number following 12981344 and preceding 12981346. In scientific notation, it is written as 1.2981345 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6390720 positive integers (up to 12981345) that are relatively prime to 12981345.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand three hundred forty-five

Notation

Scientific notation 1.2981345 × 10^7
Engineering notation 1.2981345 × 10^6

Prime Factorization of 12981345

Prime Factorization 15 × 13 × 66571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981345
Product of the distinct prime numbers

The prime factorization of 12981345 is 15 × 13 × 66571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 49, 65, 974, 150, 88, 8855, 33406, 28700, 127978, 679687, 1749236, 4935350, 49905797, 14622081, 333092394, 497732632, 6980195245, 5626903746

Basic calculations (n = 12981345)

Multiplication

n×y
n×2 25962690
n×3 38944035
n×4 51925380
n×5 64906725

Division

n÷y
n÷2 6490672.5
n÷3 4327115
n÷3 3245336.25
n÷5 2596269

Exponentiation

ny
n2 168515318009025
n3 2.1875554808599E+21
n4 2.8397412403683E+28
n5 3.6863660751949E+35

Nth Root

y√n
2√n 3602.9633636772
3√n 235.02094275406
4√n 60.0246896175
5√n 26.464514944808

Divisors of 12981345

1, 13, 15, 195, 66571, 865423, 998565, 12981345

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981344
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981345 can be divided by 8 positive divisors. The sum of these divisors (counting 12981345) is 1, the average is 0.125.

Base conversion 12981345

Base System Value
2 Binary 110001100001010001100001
3 Ternary 220102112001120
4 Quaternary 301201101201
5 Quinary 11310400340
6 Senary 1142122453
8 Octal 61412141
10 Decimal 12981345
12 Duodecimal 4420429
16 Hexadecimal c61461
20 Vigesimal 412d75
36 Base36 7q8gx

Cryptographic Hash Functions

md5 b4b50d39731e2ae161b77c766d71d2d0
sha1 25f88a811da93e6c51545f4352f4ba750261caed
sha256 2b31a692526a1d3f0becdf38a666ff0c6d30071b5bf8224c7b77f9b9a82ac44b
sha512 8f7de42a56ad3b8f6ad89482883c802fa84f7c88b91e09de841396728137c0b6a07ecc3d31db0fe79b300ac9aff043ddf25ab45cc160c30f43e5271d07585849
ripemd-160 ce373e674bfda2799ac294ec6790763c66bcce34

12981345 as geometric shapes

Circle

Radius = n
Diameter 25962690
Circumference 81564196.171429
Area 5.294064850745E+14

Sphere

Radius = n
Volume 9.1632109706526E+21
Surface area 2.117625940298E+15
Circumference 81564196.171429

Square

Length = n
Perimeter 51925380
Area 168515318009025
Diagonal 18358394.156844

Cube

Length = n
Surface area 1011091908054150
Volume 2.1875554808599E+21
Space diagonal 22484349.09058

Equilateral Triangle

Length = n
Perimeter 38944035
Area 72969273161314
Altitude 11242174.54529

Triangular Pyramid

Length = n
Surface area 72969273161314
Volume 2.5780588578964E+20
Height 6119464.7189481