12981545 (number)

12981545 is an odd 8-digits composite number following 12981544 and preceding 12981546. In scientific notation, it is written as 1.2981545 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 9856704 positive integers (up to 12981545) that are relatively prime to 12981545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981545 × 10^7
Engineering notation 1.2981545 × 10^6

Prime Factorization of 12981545

Prime Factorization 5 × 23 × 157 × 719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12981545
Product of the distinct prime numbers

The prime factorization of 12981545 is 5 × 23 × 157 × 719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 65, 65, 465, 723, 7960, 3299, 88513, 16708, 946420, 372970, 797635, 7780279, 57651758, 26599218, 310357836, 196882891, 6703559432, 8576937693

Basic calculations (n = 12981545)

Multiplication

n×y
n×2 25963090
n×3 38944635
n×4 51926180
n×5 64907725

Division

n÷y
n÷2 6490772.5
n÷3 4327181.6666667
n÷3 3245386.25
n÷5 2596309

Exponentiation

ny
n2 168520510587025
n3 2.1876565916084E+21
n4 2.8399162488512E+28
n5 3.6866500580693E+35

Nth Root

y√n
2√n 3602.9911185014
3√n 235.02214971546
4√n 60.024920812121
5√n 26.464596490601

Divisors of 12981545

1, 5, 23, 115, 157, 719, 785, 3595, 3611, 16537, 18055, 82685, 112883, 564415, 2596309, 12981545

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 -12981544
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 12981545 can be divided by 16 positive divisors. The sum of these divisors (counting 12981545) is 1, the average is 0.0625.

Base conversion 12981545

Base System Value
2 Binary 110001100001010100101001
3 Ternary 220102112022222
4 Quaternary 301201110221
5 Quinary 11310402140
6 Senary 1142123425
8 Octal 61412451
10 Decimal 12981545
12 Duodecimal 4420575
16 Hexadecimal c61529
20 Vigesimal 412dh5
36 Base36 7q8mh

Cryptographic Hash Functions

md5 801c750ca33465bb040f41a692109b6e
sha1 03ef339965d5ec86c6699fa4986356df849b9f7d
sha256 9cda73d67e47a5c9fec4faf81f678daa55486ed14635887b4eedca8bc11cd7c3
sha512 c12f0d75e6d9042ae3f3dfa17202ff7aa7b0761deaa0f7f81457a5e9c302b99d51c932505bb580994bb6c8f292b94f8b54d3c1de745ffdbd7d8076d4d62ec6b2
ripemd-160 f3fa14fe47e72e0ccf3094049a883db34b33137f

12981545 as geometric shapes

Circle

Radius = n
Diameter 25963090
Circumference 81565452.808491
Area 5.294227980394E+14

Sphere

Radius = n
Volume 9.1636345023658E+21
Surface area 2.1176911921576E+15
Circumference 81565452.808491

Square

Length = n
Perimeter 51926180
Area 168520510587025
Diagonal 18358676.999557

Cube

Length = n
Surface area 1011123063522150
Volume 2.1876565916084E+21
Space diagonal 22484695.500742

Equilateral Triangle

Length = n
Perimeter 38944635
Area 72971521613544
Altitude 11242347.750371

Triangular Pyramid

Length = n
Surface area 72971521613544
Volume 2.5781780180563E+20
Height 6119558.9998522