12912681 (number)

12912681 is an odd 8-digits composite number following 12912680 and preceding 12912682. In scientific notation, it is written as 1.2912681 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8462432 positive integers (up to 12912681) that are relatively prime to 12912681.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand six hundred eighty-one

Notation

Scientific notation 1.2912681 × 10^7
Engineering notation 1.2912681 × 10^6

Prime Factorization of 12912681

Prime Factorization 3 × 59 × 72953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912681
Product of the distinct prime numbers

The prime factorization of 12912681 is 3 × 59 × 72953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912681)

Multiplication

n×y
n×2 25825362
n×3 38738043
n×4 51650724
n×5 64563405

Division

n÷y
n÷2 6456340.5
n÷3 4304227
n÷3 3228170.25
n÷5 2582536.2

Exponentiation

ny
n2 166737330607761
n3 2.1530259609296E+21
n4 2.7801337418202E+28
n5 3.589898014546E+35

Nth Root

y√n
2√n 3593.4219067624
3√n 234.60583387688
4√n 59.945157492181
5√n 26.436459047655

Divisors of 12912681

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 -12912680
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 12912681 can be divided by 8 positive divisors. The sum of these divisors (counting 12912681) is 1, the average is 0.125.

Base conversion 12912681

Base System Value
2 Binary 110001010000100000101001
3 Ternary 220022000212110
4 Quaternary 301100200221
5 Quinary 11301201211
6 Senary 1140432533
8 Octal 61204051
10 Decimal 12912681
12 Duodecimal 43a8749
16 Hexadecimal c50829
20 Vigesimal 40e1e1
36 Base36 7orhl

Cryptographic Hash Functions

md5 dae9116b113214b35e7390587552edd8
sha1 164db33ba5cf865ae92a1ef3ae549784c4e132ae
sha256 e94eeb55082589826cdd35f57e02c2b4435ae4bc737770ded3e0f7809931c17f
sha512 670e78f276121c515c8265fe87f06ebdee17b981bdfa1ef0a73938abe300891376d03a67eb97ce0e18751e759e22c746fa99ad3e7c6b2cedd8c20795a0489988
ripemd-160 2deb6d99873bbd8b8fc67a13a4033024b319ccfe

12912681 as geometric shapes

Circle

Radius = n
Diameter 25825362
Circumference 81132767.535497
Area 5.2382077291651E+14

Sphere

Radius = n
Volume 9.0185740557925E+21
Surface area 2.0952830916661E+15
Circumference 81132767.535497

Square

Length = n
Perimeter 51650724
Area 166737330607761
Diagonal 18261288.596797

Cube

Length = n
Surface area 1000423983646566
Volume 2.1530259609296E+21
Space diagonal 22365419.553929

Equilateral Triangle

Length = n
Perimeter 38738043
Area 72199382032763
Altitude 11182709.776965

Triangular Pyramid

Length = n
Surface area 72199382032763
Volume 2.5373654284066E+20
Height 6087096.1989325