12581385 (number)

12581385 is an odd 8-digits composite number following 12581384 and preceding 12581386. In scientific notation, it is written as 1.2581385 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6640128 positive integers (up to 12581385) that are relatively prime to 12581385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2581385 × 10^7
Engineering notation 1.2581385 × 10^6

Prime Factorization of 12581385

Prime Factorization 15 × 97 × 8647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12581385
Product of the distinct prime numbers

The prime factorization of 12581385 is 15 × 97 × 8647. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12581385)

Multiplication

n×y
n×2 25162770
n×3 37744155
n×4 50325540
n×5 62906925

Division

n÷y
n÷2 6290692.5
n÷3 4193795
n÷3 3145346.25
n÷5 2516277

Exponentiation

ny
n2 158291248518225
n3 1.9915231397385E+21
n4 2.5056119357458E+28
n5 3.1524068424214E+35

Nth Root

y√n
2√n 3547.0248096116
3√n 232.58202678626
4√n 59.55690396261
5√n 26.299390912979

Divisors of 12581385

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12581384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12581385 can be divided by 8 positive divisors. The sum of these divisors (counting 12581385) is 1, the average is 0.125.

Base conversion 12581385

Base System Value
2 Binary 101111111111101000001001
3 Ternary 212200012102020
4 Quaternary 233333220021
5 Quinary 11210101020
6 Senary 1125355053
8 Octal 57775011
10 Decimal 12581385
12 Duodecimal 4268a89
16 Hexadecimal bffa09
20 Vigesimal 3icd95
36 Base36 7hnux

Cryptographic Hash Functions

md5 1f86cdc70df8feef8eeba5c3ae436d8b
sha1 7b93e8548ba882d2f30d83994dbce6acbad4909b
sha256 bdbec8266f383a8c1ca5495805129c1a3ef79d96fb899bf0c40933332ccc89e0
sha512 f8da2830fe93a97552c5f36516a2f3973abba4e7b9c45c8a792d49cb888eb17117f8e450009a278c9cc08287dc4db2b04fa37c390d4f20a318f8e0f8c932dd6f
ripemd-160 c37215c7b4e8de9969406030e84cd43738292d42

12581385 as geometric shapes

Circle

Radius = n
Diameter 25162770
Circumference 79051173.37597
Area 4.9728662347241E+14

Sphere

Radius = n
Volume 8.3420726203419E+21
Surface area 1.9891464938896E+15
Circumference 79051173.37597

Square

Length = n
Perimeter 50325540
Area 158291248518225
Diagonal 17792765.300437

Cube

Length = n
Surface area 949747491109350
Volume 1.9915231397385E+21
Space diagonal 21791598.049585

Equilateral Triangle

Length = n
Perimeter 37744155
Area 68542121206769
Altitude 10895799.024792

Triangular Pyramid

Length = n
Surface area 68542121206769
Volume 2.3470325283317E+20
Height 5930921.7668125