12921840 (number)

12921840 is an even 8-digits composite number following 12921839 and preceding 12921841. In scientific notation, it is written as 1.2921840 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 3394560 positive integers (up to 12921840) that are relatively prime to 12921840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2921840 × 10^7
Engineering notation 1.2921840 × 10^6

Prime Factorization of 12921840

Prime Factorization 2 × 2 × 2 × 2 × 45 × 131 × 137

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1615230
Product of the distinct prime numbers

The prime factorization of 12921840 is 2 × 2 × 2 × 2 × 45 × 131 × 137. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 5, 99, 62, 659, 124, 8297, 7932, 28582, 20179, 78534, 883266, 9993316, 4028759, 43789397, 27146779, 466032184, 152165237, 8895577182, 3085064013

Basic calculations (n = 12921840)

Multiplication

n×y
n×2 25843680
n×3 38765520
n×4 51687360
n×5 64609200

Division

n÷y
n÷2 6460920
n÷3 4307280
n÷3 3230460
n÷5 2584368

Exponentiation

ny
n2 166973948985600
n3 2.1576106529601E+21
n4 2.7880299639846E+28
n5 3.6026477109814E+35

Nth Root

y√n
2√n 3594.6960928568
3√n 234.66128962082
4√n 59.95578448204
5√n 26.440208274633

Divisors of 12921840

1, 2, 4, 8, 16, 45, 90, 131, 137, 180, 262, 274, 360, 524, 548, 720, 1048, 1096, 2096, 2192, 5895, 6165, 11790, 12330, 17947, 23580, 24660, 35894, 47160, 49320, 71788, 94320, 98640, 143576, 287152, 807615, 1615230, 3230460, 6460920, 12921840

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 -12921839
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 12921840 can be divided by 40 positive divisors. The sum of these divisors (counting 12921840) is 1, the average is 0.025.

Base conversion 12921840

Base System Value
2 Binary 110001010010101111110000
3 Ternary 220022111102200
4 Quaternary 301102233300
5 Quinary 11301444330
6 Senary 1140543200
8 Octal 61225760
10 Decimal 12921840
12 Duodecimal 43b1b00
16 Hexadecimal c52bf0
20 Vigesimal 40f4c0
36 Base36 7oyk0

Cryptographic Hash Functions

md5 44bf19747438eeabd4cd2e2e04d02c1d
sha1 f1ca72c152a26b769071fffc0edc3d536e6c930f
sha256 bdc4843b71d3e11ad74a56470005acba4407b3ba862ba33ca68cde9a08f9cd78
sha512 b8acc03db6ac234e7a8852f15f323830b3158301b8bdfd6946e2d92d7bd5d5ff2261e7c6fde8f987d6b6b644ff998460039e7bb73b93d08339656a9d364f896d
ripemd-160 3bc8fa9c925567959fcff59077a3fcc0fd201882

12921840 as geometric shapes

Circle

Radius = n
Diameter 25843680
Circumference 81190315.229725
Area 5.2456413147404E+14

Sphere

Radius = n
Volume 9.037778368862E+21
Surface area 2.0982565258962E+15
Circumference 81190315.229725

Square

Length = n
Perimeter 51687360
Area 166973948985600
Diagonal 18274241.378815

Cube

Length = n
Surface area 1001843693913600
Volume 2.1576106529601E+21
Space diagonal 22381283.407276

Equilateral Triangle

Length = n
Perimeter 38765520
Area 72301840795868
Altitude 11190641.703638

Triangular Pyramid

Length = n
Surface area 72301840795868
Volume 2.5427685397807E+20
Height 6091413.7929384