12581280 (number)

12581280 is an even 8-digits composite number following 12581279 and preceding 12581281. In scientific notation, it is written as 1.2581280 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 72 positive divisors. There are 3354624 positive integers (up to 12581280) that are relatively prime to 12581280.

Interesting facts

Basic properties

Name

Name twelve million five hundred eighty-one thousand two hundred eighty

Notation

Scientific notation 1.2581280 × 10^7
Engineering notation 1.2581280 × 10^6

Prime Factorization of 12581280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 5 × 3 × 8737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 262110
Product of the distinct prime numbers

The prime factorization of 12581280 is 2 × 2 × 2 × 2 × 2 × 3 × 5 × 3 × 8737. Since it has a total of 9 prime factors.

Most popular turbo-numbers

2, 8, 3, 75, 491, 322, 3520, 4224, 37367, 29289, 953911, 158079, 1103757, 8584225, 92687125, 86949300, 901896035, 466623781, 6511746329, 3601055818

Basic calculations (n = 12581280)

Multiplication

n×y
n×2 25162560
n×3 37743840
n×4 50325120
n×5 62906400

Division

n÷y
n÷2 6290640
n÷3 4193760
n÷3 3145320
n÷5 2516256

Exponentiation

ny
n2 158288606438400
n3 1.9914732784113E+21
n4 2.5055282928211E+28
n5 3.1522752999904E+35

Nth Root

y√n
2√n 3547.0100084437
3√n 232.58137976738
4√n 59.556779701758
5√n 26.299347015661

Divisors of 12581280

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 8737, 17474, 26211, 34948, 43685, 52422, 69896, 78633, 87370, 104844, 131055, 139792, 157266, 174740, 209688, 262110, 279584, 314532, 349480, 393165, 419376, 524220, 629064, 698960, 786330, 838752, 1048440, 1258128, 1397920, 1572660, 2096880, 2516256, 3145320, 4193760, 6290640, 12581280

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12581279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12581280 can be divided by 72 positive divisors. The sum of these divisors (counting 12581280) is 1, the average is 0.013888888888889.

Base conversion 12581280

Base System Value
2 Binary 101111111111100110100000
3 Ternary 212200012021100
4 Quaternary 233333212200
5 Quinary 11210100110
6 Senary 1125354400
8 Octal 57774640
10 Decimal 12581280
12 Duodecimal 4268a00
16 Hexadecimal bff9a0
20 Vigesimal 3icd40
36 Base36 7hns0

Cryptographic Hash Functions

md5 caa2073037b6dfae4bb58403444d7b1a
sha1 167fade11c889eafadd8b8260601ad23d8840efc
sha256 ba8a44ceaaca027d20012d4060c438f2bf9b5f306385798ed2101c3a5b3668c4
sha512 e5112d8912f690d53a589223937ed9f9c7bc8a8349f34ba567b4272578b70135e703a2cc2822128461f451fca3160906d29bd9e8b1aba7ec451d14a7b63eb47c
ripemd-160 34b881a4bb7211768d1cb36480f885f3688ac2a2

12581280 as geometric shapes

Circle

Radius = n
Diameter 25162560
Circumference 79050513.641512
Area 4.9727832313384E+14

Sphere

Radius = n
Volume 8.3418637617031E+21
Surface area 1.9891132925354E+15
Circumference 79050513.641512

Square

Length = n
Perimeter 50325120
Area 158288606438400
Diagonal 17792616.808013

Cube

Length = n
Surface area 949731638630400
Volume 1.9914732784113E+21
Space diagonal 21791416.18425

Equilateral Triangle

Length = n
Perimeter 37743840
Area 68540977152646
Altitude 10895708.092125

Triangular Pyramid

Length = n
Surface area 68540977152646
Volume 2.3469737661941E+20
Height 5930872.2693378