12971985 (number)

12971985 is an odd 8-digits composite number following 12971984 and preceding 12971986. In scientific notation, it is written as 1.2971985 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6386112 positive integers (up to 12971985) that are relatively prime to 12971985.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation 1.2971985 × 10^7
Engineering notation 1.2971985 × 10^6

Prime Factorization of 12971985

Prime Factorization 3 × 5 × 13 × 66523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12971985
Product of the distinct prime numbers

The prime factorization of 12971985 is 3 × 5 × 13 × 66523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12971985)

Multiplication

n×y
n×2 25943970
n×3 38915955
n×4 51887940
n×5 64859925

Division

n÷y
n÷2 6485992.5
n÷3 4323995
n÷3 3242996.25
n÷5 2594397

Exponentiation

ny
n2 168272394840225
n3 2.1828269817815E+21
n4 2.8315598865265E+28
n5 3.6730952374623E+35

Nth Root

y√n
2√n 3601.6641986726
3√n 234.96444308868
4√n 60.013866719889
5√n 26.460697477

Divisors of 12971985

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 -12971984
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 12971985 can be divided by 16 positive divisors. The sum of these divisors (counting 12971985) is 1, the average is 0.0625.

Base conversion 12971985

Base System Value
2 Binary 110001011110111111010001
3 Ternary 220102001012220
4 Quaternary 301132333101
5 Quinary 11310100420
6 Senary 1142011253
8 Octal 61367721
10 Decimal 12971985
12 Duodecimal 4416b29
16 Hexadecimal c5efd1
20 Vigesimal 4119j5
36 Base36 7q18x

Cryptographic Hash Functions

md5 2637e2a48078b13a62f26000de0e8c5a
sha1 2931382c36db431caf577f56aa7defb14df87d62
sha256 711843b12d6a28fa9efbf9eff03bbac2752e37a1833a52508d458410bc6f9904
sha512 d320825d79b088b7a73a8a5d62f69a911b2fdf5794931ca9bbf01a9f7b4c7b166e63992413187d1bf66579035b682eb3092c2c58ad847dcd1b82669a646d04aa
ripemd-160 0bdd2da058ac92a99ce4c1e57ed7d4a3f6f19802

12971985 as geometric shapes

Circle

Radius = n
Diameter 25943970
Circumference 81505385.556954
Area 5.2864331943201E+14

Sphere

Radius = n
Volume 9.1434042800297E+21
Surface area 2.114573277728E+15
Circumference 81505385.556954

Square

Length = n
Perimeter 51887940
Area 168272394840225
Diagonal 18345157.1179

Cube

Length = n
Surface area 1009634369041350
Volume 2.1828269817815E+21
Space diagonal 22468137.095021

Equilateral Triangle

Length = n
Perimeter 38915955
Area 72864084343640
Altitude 11234068.547511

Triangular Pyramid

Length = n
Surface area 72864084343640
Volume 2.5724862682911E+20
Height 6115052.3726335