12561385 (number)

12561385 is an odd 8-digits composite number following 12561384 and preceding 12561386. In scientific notation, it is written as 1.2561385 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9456896 positive integers (up to 12561385) that are relatively prime to 12561385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561385 × 10^7
Engineering notation 1.2561385 × 10^6

Prime Factorization of 12561385

Prime Factorization 5 × 17 × 17 × 8693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 738905
Product of the distinct prime numbers

The prime factorization of 12561385 is 5 × 17 × 17 × 8693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 95, 13, 362, 325, 5993, 6591, 56348, 79132, 546988, 428524, 6376130, 9967608, 90038103, 8819328, 865999347, 94221696, 9631375438, 7079494530

Basic calculations (n = 12561385)

Multiplication

n×y
n×2 25122770
n×3 37684155
n×4 50245540
n×5 62806925

Division

n÷y
n÷2 6280692.5
n÷3 4187128.3333333
n÷3 3140346.25
n÷5 2512277

Exponentiation

ny
n2 157788393118225
n3 1.9820407544894E+21
n4 2.4897177002832E+28
n5 3.1274302574571E+35

Nth Root

y√n
2√n 3544.2044241268
3√n 232.45872007713
4√n 59.533221180504
5√n 26.291024225332

Divisors of 12561385

1, 5, 17, 85, 289, 1445, 8693, 43465, 147781, 738905, 2512277, 12561385

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 -12561384
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 12561385 can be divided by 12 positive divisors. The sum of these divisors (counting 12561385) is 1, the average is 0.083333333333333.

Base conversion 12561385

Base System Value
2 Binary 101111111010101111101001
3 Ternary 212122011222111
4 Quaternary 233322233221
5 Quinary 11203431020
6 Senary 1125122321
8 Octal 57725751
10 Decimal 12561385
12 Duodecimal 42593a1
16 Hexadecimal bfabe9
20 Vigesimal 3ia395
36 Base36 7h8fd

Cryptographic Hash Functions

md5 8b7d401c196067e03a70c42c6bc75095
sha1 c1307eb967a5872647d777b6347fa759f2f0179a
sha256 261489a659efd5f533729a5b21d00290b9a2658d56e4932284b5769d273b4c4b
sha512 44a028a0aa3c9933c33049b7bd6df7132dd8ed365820cbccb5290c22ee8ebee6246012623a9aade509cb08c80fdecbd1da93b6a284c8448f7fc926e32279d28b
ripemd-160 0e9d05566b52f4f214d69b747a00ea182c1c31ec

12561385 as geometric shapes

Circle

Radius = n
Diameter 25122770
Circumference 78925509.669826
Area 4.9570685664195E+14

Sphere

Radius = n
Volume 8.3023528978925E+21
Surface area 1.9828274265678E+15
Circumference 78925509.669826

Square

Length = n
Perimeter 50245540
Area 157788393118225
Diagonal 17764481.02919

Cube

Length = n
Surface area 946730358709350
Volume 1.9820407544894E+21
Space diagonal 21756957.033434

Equilateral Triangle

Length = n
Perimeter 37684155
Area 68324378431354
Altitude 10878478.516717

Triangular Pyramid

Length = n
Surface area 68324378431354
Volume 2.3358574301459E+20
Height 5921493.6763967