12981965 (number)

12981965 is an odd 8-digits composite number following 12981964 and preceding 12981966. In scientific notation, it is written as 1.2981965 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 9774592 positive integers (up to 12981965) that are relatively prime to 12981965.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981965 × 10^7
Engineering notation 1.2981965 × 10^6

Prime Factorization of 12981965

Prime Factorization 5 × 17 × 152729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981965
Product of the distinct prime numbers

The prime factorization of 12981965 is 5 × 17 × 152729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981965)

Multiplication

n×y
n×2 25963930
n×3 38945895
n×4 51927860
n×5 64909825

Division

n÷y
n÷2 6490982.5
n÷3 4327321.6666667
n÷3 3245491.25
n÷5 2596393

Exponentiation

ny
n2 168531415261225
n3 2.1878689343217E+21
n4 2.8402837929951E+28
n5 3.687246479073E+35

Nth Root

y√n
2√n 3603.0494029364
3√n 235.02468429406
4√n 60.02540631213
5√n 26.464767733495

Divisors of 12981965

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 -12981964
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 12981965 can be divided by 8 positive divisors. The sum of these divisors (counting 12981965) is 1, the average is 0.125.

Base conversion 12981965

Base System Value
2 Binary 110001100001011011001101
3 Ternary 220102112220112
4 Quaternary 301201123031
5 Quinary 11310410330
6 Senary 1142125405
8 Octal 61413315
10 Decimal 12981965
12 Duodecimal 4420865
16 Hexadecimal c616cd
20 Vigesimal 412ei5
36 Base36 7q8y5

Cryptographic Hash Functions

md5 c3bc035aeb4e6b0187e67f1953aa0875
sha1 75894098ddcaa3e0af222940cf6023eeeb7e7318
sha256 e72933e01d7c5beb6c3cc584ec5a73a9a69e05be42e57e2640fa3ebf2ef852e5
sha512 3b556163bc3f6810b78128172552417ab962c1daf8d8390333c5ad2f799b7cb3188a4908010ba87eb7d96c605d30b81b06586938fec0b101e6c737a0c9b6e0d3
ripemd-160 941fd4ec7c8e64b6729ea5dbf2462ca2120f34cc

12981965 as geometric shapes

Circle

Radius = n
Diameter 25963930
Circumference 81568091.74632
Area 5.2945705608376E+14

Sphere

Radius = n
Volume 9.1645239614431E+21
Surface area 2.117828224335E+15
Circumference 81568091.74632

Square

Length = n
Perimeter 51927860
Area 168531415261225
Diagonal 18359270.969253

Cube

Length = n
Surface area 1011188491567350
Volume 2.1878689343217E+21
Space diagonal 22485422.962081

Equilateral Triangle

Length = n
Perimeter 38945895
Area 72976243475983
Altitude 11242711.48104

Triangular Pyramid

Length = n
Surface area 72976243475983
Volume 2.5784282663438E+20
Height 6119756.9897509