12978021 (number)

12978021 is an odd 8-digits composite number following 12978020 and preceding 12978022. In scientific notation, it is written as 1.2978021 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6979584 positive integers (up to 12978021) that are relatively prime to 12978021.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-eight thousand twenty-one

Notation

Scientific notation 1.2978021 × 10^7
Engineering notation 1.2978021 × 10^6

Prime Factorization of 12978021

Prime Factorization 3 × 7 × 17 × 36353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12978021
Product of the distinct prime numbers

The prime factorization of 12978021 is 3 × 7 × 17 × 36353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 83, 7, 747, 746, 6141, 6470, 47912, 89064, 248898, 447271, 2770383, 3613176, 39158098, 86087325, 494283536, 125024975, 289330110, 7371274835

Basic calculations (n = 12978021)

Multiplication

n×y
n×2 25956042
n×3 38934063
n×4 51912084
n×5 64890105

Division

n÷y
n÷2 6489010.5
n÷3 4326007
n÷3 3244505.25
n÷5 2595604.2

Exponentiation

ny
n2 168429029076441
n3 2.1858754763637E+21
n4 2.8368337835633E+28
n5 3.6816488416593E+35

Nth Root

y√n
2√n 3602.5020471889
3√n 235.00088124009
4√n 60.020846771675
5√n 26.463159506537

Divisors of 12978021

1, 3, 7, 17, 21, 51, 119, 357, 36353, 109059, 254471, 618001, 763413, 1854003, 4326007, 12978021

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 -12978020
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 12978021 can be divided by 16 positive divisors. The sum of these divisors (counting 12978021) is 1, the average is 0.0625.

Base conversion 12978021

Base System Value
2 Binary 110001100000011101100101
3 Ternary 220102100111110
4 Quaternary 301200131211
5 Quinary 11310244041
6 Senary 1142055233
8 Octal 61403545
10 Decimal 12978021
12 Duodecimal 441a519
16 Hexadecimal c60765
20 Vigesimal 412511
36 Base36 7q5wl

Cryptographic Hash Functions

md5 12d4caac98502a083fb5b8c793aefe20
sha1 150ad03f5b7a73cc70ff0a335df195e99a1b451e
sha256 a99e99fdc1c237be69b6c6123c30c80bd3733f920fb7e3715cd731ba6b0a6af6
sha512 b7d13313a2eee63a0022bbbcc6cc5d75f7ec8a44f995c99a62ebb58ccc6525c51c33e1f7dd12def7286d5eb9b133bafb8a0a4f4481a98b35f8c1f80575c0e0ed
ripemd-160 29dfac990eb2d806c840fe0cb4e34a398fe33658

12978021 as geometric shapes

Circle

Radius = n
Diameter 25956042
Circumference 81543310.863468
Area 5.2913540039781E+14

Sphere

Radius = n
Volume 9.1561737842749E+21
Surface area 2.1165416015912E+15
Circumference 81543310.863468

Square

Length = n
Perimeter 51912084
Area 168429029076441
Diagonal 18353693.310963

Cube

Length = n
Surface area 1010574174458646
Volume 2.1858754763637E+21
Space diagonal 22478591.753696

Equilateral Triangle

Length = n
Perimeter 38934063
Area 72931908957473
Altitude 11239295.876848

Triangular Pyramid

Length = n
Surface area 72931908957473
Volume 2.5760789536102E+20
Height 6117897.7703209