12391390 (number)

12391390 is an even 8-digits composite number following 12391389 and preceding 12391391. In scientific notation, it is written as 1.2391390 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 4465440 positive integers (up to 12391390) that are relatively prime to 12391390.

Interesting facts

Basic properties

Name

Name twelve million three hundred ninety-one thousand three hundred ninety

Notation

Scientific notation 1.2391390 × 10^7
Engineering notation 1.2391390 × 10^6

Prime Factorization of 12391390

Prime Factorization 2 × 5 × 11 × 127 × 887

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12391390
Product of the distinct prime numbers

The prime factorization of 12391390 is 2 × 5 × 11 × 127 × 887. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 25, 33, 892, 844, 6921, 3876, 15571, 51962, 90490, 277073, 4979212, 1770338, 22781442, 13300343, 604266896, 521385040, 5007653212, 1731772119

Basic calculations (n = 12391390)

Multiplication

n×y
n×2 24782780
n×3 37174170
n×4 49565560
n×5 61956950

Division

n÷y
n÷2 6195695
n÷3 4130463.3333333
n÷3 3097847.5
n÷5 2478278

Exponentiation

ny
n2 153546546132100
n3 1.9026551362758E+21
n4 2.3576541829097E+28
n5 2.9214612465566E+35

Nth Root

y√n
2√n 3520.1406221911
3√n 231.4053215116
4√n 59.330772978203
5√n 26.219475830117

Divisors of 12391390

1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 887, 1270, 1397, 1774, 2794, 4435, 6985, 8870, 9757, 13970, 19514, 48785, 97570, 112649, 225298, 563245, 1126490, 1239139, 2478278, 6195695, 12391390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12391389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12391390 can be divided by 32 positive divisors. The sum of these divisors (counting 12391390) is 1, the average is 0.03125.

Base conversion 12391390

Base System Value
2 Binary 101111010001001111011110
3 Ternary 212022112210101
4 Quaternary 233101033132
5 Quinary 11133011030
6 Senary 1121331314
8 Octal 57211736
10 Decimal 12391390
12 Duodecimal 4196b3a
16 Hexadecimal bd13de
20 Vigesimal 3h8i9a
36 Base36 7dl9a

Cryptographic Hash Functions

md5 ec48841f8bdea931199dc48f67e9a697
sha1 fb89e3d8ad747a79a57bdf4385686f3ee146535a
sha256 cdd6356012286b09db276a467f4667933f2274898a2646b0489bda8e2637a032
sha512 5b6ee8e763ca568b308b3532298dad7042ad9ac67ffd384be502e55498811ef1c219422105bf2e2a917cc85ba1aa668e093676bee926778c447135378aadfd3b
ripemd-160 256842d10205507aba4b57c4f0e6ed603cdc731d

12391390 as geometric shapes

Circle

Radius = n
Diameter 24782780
Circumference 77857399.583532
Area 4.8238070131269E+14

Sphere

Radius = n
Volume 7.9698231979188E+21
Surface area 1.9295228052508E+15
Circumference 77857399.583532

Square

Length = n
Perimeter 49565560
Area 153546546132100
Diagonal 17524071.794654

Cube

Length = n
Surface area 921279276792600
Volume 1.9026551362758E+21
Space diagonal 21462517.056401

Equilateral Triangle

Length = n
Perimeter 37174170
Area 66487604806879
Altitude 10731258.5282

Triangular Pyramid

Length = n
Surface area 66487604806879
Volume 2.2423005818668E+20
Height 5841357.2648848