12856986 (number)

12856986 is an even 8-digits composite number following 12856985 and preceding 12856987. In scientific notation, it is written as 1.2856986 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 4245696 positive integers (up to 12856986) that are relatively prime to 12856986.

Interesting facts

Basic properties

Name

Name twelve million eight hundred fifty-six thousand nine hundred eighty-six

Notation

Scientific notation 1.2856986 × 10^7
Engineering notation 1.2856986 × 10^6

Prime Factorization of 12856986

Prime Factorization 2 × 9 × 109 × 6553

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12856986
Product of the distinct prime numbers

The prime factorization of 12856986 is 2 × 9 × 109 × 6553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 56, 28, 766, 411, 9052, 5026, 85647, 19120, 635036, 958097, 6537735, 9064922, 12146597, 39136776, 43578760, 576778551, 1596832480, 6598218800

Basic calculations (n = 12856986)

Multiplication

n×y
n×2 25713972
n×3 38570958
n×4 51427944
n×5 64284930

Division

n÷y
n÷2 6428493
n÷3 4285662
n÷3 3214246.5
n÷5 2571397.2

Exponentiation

ny
n2 165302089004196
n3 2.1252866440977E+21
n4 2.7324780629151E+28
n5 3.5131432200207E+35

Nth Root

y√n
2√n 3585.6639552529
3√n 234.26804698792
4√n 59.880413786587
5√n 26.413614443239

Divisors of 12856986

1, 2, 9, 18, 109, 218, 981, 1962, 6553, 13106, 58977, 117954, 714277, 1428554, 6428493, 12856986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12856985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12856986 can be divided by 16 positive divisors. The sum of these divisors (counting 12856986) is 1, the average is 0.0625.

Base conversion 12856986

Base System Value
2 Binary 110001000010111010011010
3 Ternary 220012012110200
4 Quaternary 301002322122
5 Quinary 11242410421
6 Senary 1135323030
8 Octal 61027232
10 Decimal 12856986
12 Duodecimal 4380476
16 Hexadecimal c42e9a
20 Vigesimal 407296
36 Base36 7nkii

Cryptographic Hash Functions

md5 c76f197d78b912a1f4cf8abae9e86d02
sha1 c88c572d7712edd353d23c3b47a73d8d6ee37e5d
sha256 072b34bad373b6f3b787eabb0dbc7ee0de280f041d80298169185af8ffce3e6a
sha512 cbf3a82dfff98a3262ea13cd3c7bd7dadea8a6fa9a82820e4e394e70bb58c895577a722d6968c8375f1818e017a2ba1ca23eec5cf085a681bf05ae596fd94d27
ripemd-160 d7d453004973eddfd93fbf00034d8c849aa144ba

12856986 as geometric shapes

Circle

Radius = n
Diameter 25713972
Circumference 80782825.529814
Area 5.1931182843863E+14

Sphere

Radius = n
Volume 8.9023798771598E+21
Surface area 2.0772473137545E+15
Circumference 80782825.529814

Square

Length = n
Perimeter 51427944
Area 165302089004196
Diagonal 18182523.972441

Cube

Length = n
Surface area 991812534025176
Volume 2.1252866440977E+21
Space diagonal 22268952.984202

Equilateral Triangle

Length = n
Perimeter 38570958
Area 71577904188135
Altitude 11134476.492101

Triangular Pyramid

Length = n
Surface area 71577904188135
Volume 2.5046743300111E+20
Height 6060841.324147