12891488 (number)

12891488 is an even 8-digits composite number following 12891487 and preceding 12891489. In scientific notation, it is written as 1.2891488 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 12 positive divisors. There are 6445728 positive integers (up to 12891488) that are relatively prime to 12891488.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-one thousand four hundred eighty-eight

Notation

Scientific notation 1.2891488 × 10^7
Engineering notation 1.2891488 × 10^6

Prime Factorization of 12891488

Prime Factorization 2 × 2 × 2 × 2 × 2 × 402859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 805718
Product of the distinct prime numbers

The prime factorization of 12891488 is 2 × 2 × 2 × 2 × 2 × 402859. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 3, 82, 73, 139, 535, 5949, 3567, 50467, 76413, 558522, 797868, 8707419, 2022895, 25711311, 70766029, 815553429, 765757373, 9584366867, 3429294870

Basic calculations (n = 12891488)

Multiplication

n×y
n×2 25782976
n×3 38674464
n×4 51565952
n×5 64457440

Division

n÷y
n÷2 6445744
n÷3 4297162.6666667
n÷3 3222872
n÷5 2578297.6

Exponentiation

ny
n2 166190462854144
n3 2.1424423575986E+21
n4 2.7619269943675E+28
n5 3.5605348704764E+35

Nth Root

y√n
2√n 3590.4718352885
3√n 234.47741427584
4√n 59.920546019613
5√n 26.427775551855

Divisors of 12891488

1, 2, 4, 8, 16, 32, 402859, 805718, 1611436, 3222872, 6445744, 12891488

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12891487
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12891488 can be divided by 12 positive divisors. The sum of these divisors (counting 12891488) is 1, the average is 0.083333333333333.

Base conversion 12891488

Base System Value
2 Binary 110001001011010101100000
3 Ternary 220020221210112
4 Quaternary 301023111200
5 Quinary 11300011423
6 Senary 1140150452
8 Octal 61132540
10 Decimal 12891488
12 Duodecimal 4398428
16 Hexadecimal c4b560
20 Vigesimal 40b8e8
36 Base36 7ob4w

Cryptographic Hash Functions

md5 065cb8ae09803f8055ee97b75d40da26
sha1 dfccfa9e4628f53f67f257289f85a23294a2b407
sha256 421cccc25265763eaead24800061fa3bd4ae7648e57d84f626e141a03ebb75f7
sha512 b565180f309db85bf61f78d52ba73e63a60d68ca0b1292ea12e6025f5d8a4aa2fe2ed21423aaaac688769ff2244d4ffa7d5d6f505ac97c7010633fe4212e77cb
ripemd-160 ee2c8e4132ae347217a46c666e7b0af805451816

12891488 as geometric shapes

Circle

Radius = n
Diameter 25782976
Circumference 80999607.989282
Area 5.2210273719927E+14

Sphere

Radius = n
Volume 8.9742415618287E+21
Surface area 2.0884109487971E+15
Circumference 80999607.989282

Square

Length = n
Perimeter 51565952
Area 166190462854144
Diagonal 18231317.16877

Cube

Length = n
Surface area 997142777124864
Volume 2.1424423575986E+21
Space diagonal 22328712.201164

Equilateral Triangle

Length = n
Perimeter 38674464
Area 71962581349191
Altitude 11164356.100582

Triangular Pyramid

Length = n
Surface area 71962581349191
Volume 2.5248925322655E+20
Height 6077105.7229233