12905440 (number)

12905440 is an even 8-digits composite number following 12905439 and preceding 12905441. In scientific notation, it is written as 1.2905440 × 10^7. The sum of its digits is 25. It has a total of 8 prime factors and 48 positive divisors. There are 5091840 positive integers (up to 12905440) that are relatively prime to 12905440.

Interesting facts

Basic properties

Name

Name twelve million nine hundred five thousand four hundred forty

Notation

Scientific notation 1.2905440 × 10^7
Engineering notation 1.2905440 × 10^6

Prime Factorization of 12905440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 79 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 806590
Product of the distinct prime numbers

The prime factorization of 12905440 is 2 × 2 × 2 × 2 × 2 × 5 × 79 × 1021. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 4, 24, 23, 730, 393, 3641, 42, 81237, 23448, 298107, 959989, 8722748, 4295067, 86606841, 46259070, 556712000, 838753647, 1417221211, 248597366

Basic calculations (n = 12905440)

Multiplication

n×y
n×2 25810880
n×3 38716320
n×4 51621760
n×5 64527200

Division

n÷y
n÷2 6452720
n÷3 4301813.3333333
n÷3 3226360
n÷5 2581088

Exponentiation

ny
n2 166550381593600
n3 2.1494059566333E+21
n4 2.7739029608974E+28
n5 3.5798438227683E+35

Nth Root

y√n
2√n 3592.414230013
3√n 234.56197263996
4√n 59.936751914105
5√n 26.433493445816

Divisors of 12905440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1021, 1264, 1580, 2042, 2528, 3160, 4084, 5105, 6320, 8168, 10210, 12640, 16336, 20420, 32672, 40840, 80659, 81680, 161318, 163360, 322636, 403295, 645272, 806590, 1290544, 1613180, 2581088, 3226360, 6452720, 12905440

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12905439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12905440 can be divided by 48 positive divisors. The sum of these divisors (counting 12905440) is 1, the average is 0.020833333333333.

Base conversion 12905440

Base System Value
2 Binary 110001001110101111100000
3 Ternary 220021122221021
4 Quaternary 301032233200
5 Quinary 11300433230
6 Senary 1140335224
8 Octal 61165740
10 Decimal 12905440
12 Duodecimal 43a4514
16 Hexadecimal c4ebe0
20 Vigesimal 40d3c0
36 Base36 7olwg

Cryptographic Hash Functions

md5 6fc89f538d414d7dc8222772147e0fb1
sha1 d0412345c3caa16cdc28c13a0daa523e0e13456d
sha256 853efe0bb9f2430c5a94ca1b6a1549f34818732589f8139d100a177ccc91cf0e
sha512 de8c32ef1b9acf753778abe924d02ddbf5388e67d1dda0af86852d099680b32d9b654dadaa70f86817b4efcae081fe09da1e362e05ab87c1898929cf73ca5981
ripemd-160 7bee4b71642ae323e51054812c0a7fcfb5881c5f

12905440 as geometric shapes

Circle

Radius = n
Diameter 25810880
Circumference 81087270.990688
Area 5.2323345526703E+14

Sphere

Radius = n
Volume 9.0034106172551E+21
Surface area 2.0929338210681E+15
Circumference 81087270.990688

Square

Length = n
Perimeter 51621760
Area 166550381593600
Diagonal 18251048.276392

Cube

Length = n
Surface area 999302289561600
Volume 2.1494059566333E+21
Space diagonal 22352877.774032

Equilateral Triangle

Length = n
Perimeter 38716320
Area 72118430735025
Altitude 11176438.887016

Triangular Pyramid

Length = n
Surface area 72118430735025
Volume 2.5330992124303E+20
Height 6083682.7587974