12905872 (number)

12905872 is an even 8-digits composite number following 12905871 and preceding 12905873. In scientific notation, it is written as 1.2905872 × 10^7. The sum of its digits is 34. It has a total of 7 prime factors and 40 positive divisors. There are 5484672 positive integers (up to 12905872) that are relatively prime to 12905872.

Interesting facts

Basic properties

Name

Name twelve million nine hundred five thousand eight hundred seventy-two

Notation

Scientific notation 1.2905872 × 10^7
Engineering notation 1.2905872 × 10^6

Prime Factorization of 12905872

Prime Factorization 2 × 2 × 2 × 2 × 7 × 139 × 829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1613234
Product of the distinct prime numbers

The prime factorization of 12905872 is 2 × 2 × 2 × 2 × 7 × 139 × 829. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 2, 48, 10, 924, 597, 6977, 3588, 65516, 15182, 57531, 150311, 8372798, 7359607, 61490576, 10133830, 982161230, 537235782, 9501938923, 9081861229

Basic calculations (n = 12905872)

Multiplication

n×y
n×2 25811744
n×3 38717616
n×4 51623488
n×5 64529360

Division

n÷y
n÷2 6452936
n÷3 4301957.3333333
n÷3 3226468
n÷5 2581174.4

Exponentiation

ny
n2 166561532080384
n3 2.1496218131533E+21
n4 2.7742743968965E+28
n5 3.5804430259223E+35

Nth Root

y√n
2√n 3592.4743562063
3√n 234.56458987325
4√n 59.937253492351
5√n 26.433670411751

Divisors of 12905872

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 829, 973, 1112, 1658, 1946, 2224, 3316, 3892, 5803, 6632, 7784, 11606, 13264, 15568, 23212, 46424, 92848, 115231, 230462, 460924, 806617, 921848, 1613234, 1843696, 3226468, 6452936, 12905872

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12905871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12905872 can be divided by 40 positive divisors. The sum of these divisors (counting 12905872) is 1, the average is 0.025.

Base conversion 12905872

Base System Value
2 Binary 110001001110110110010000
3 Ternary 220021200112021
4 Quaternary 301032312100
5 Quinary 11300441442
6 Senary 1140341224
8 Octal 61166620
10 Decimal 12905872
12 Duodecimal 43a4814
16 Hexadecimal c4ed90
20 Vigesimal 40d4dc
36 Base36 7om8g

Cryptographic Hash Functions

md5 f46b8e017bbe1a1154938c124604ca0c
sha1 26aae17493f51a2bb5caa0531f7e05cd30e4aba3
sha256 dc68151e59efaab85a7e05e7751bbffb30dbda2e0112fcc4f3d8a98d9c4a82f0
sha512 cada12521eeb9aefac8de0f363586dec1dbcfd26fbc6dcc4dc5ec2f80bf5adf60f326508d3aceb1540ba713bb0f14941f6f7e08131e9fb31cfddb79c00782ab4
ripemd-160 5f492ae82357e4e1f6af12019f007545c1abf40c

12905872 as geometric shapes

Circle

Radius = n
Diameter 25811744
Circumference 81089985.32674
Area 5.232684855544E+14

Sphere

Radius = n
Volume 9.0043147949318E+21
Surface area 2.0930739422176E+15
Circumference 81089985.32674

Square

Length = n
Perimeter 51623488
Area 166561532080384
Diagonal 18251659.216651

Cube

Length = n
Surface area 999369192482304
Volume 2.1496218131533E+21
Space diagonal 22353626.019981

Equilateral Triangle

Length = n
Perimeter 38717616
Area 72123259037435
Altitude 11176813.00999

Triangular Pyramid

Length = n
Surface area 72123259037435
Volume 2.5333536017787E+20
Height 6083886.4055504