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.
12912681 has 8 divisors, whose sum is 17508960
The reverse of 12912681 is 18621921
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million nine hundred twelve thousand six hundred eighty-one
Scientific notation
1.2912681 × 10^7
Engineering notation
1.2912681 × 10^6
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.
6 , 8 , 5 , 88 , 273 , 739 , 2342 , 5519 , 84789 , 51975 , 751896 , 3636 , 3461061 , 789778 , 37727886 , 80237779 , 99488558 , 255899480 , 5553268592 , 7846649284
n×2
25825362
n×3
38738043
n×4
51650724
n×5
64563405
n÷2
6456340.5
n÷3
4304227
n÷3
3228170.25
n÷5
2582536.2
n2
166737330607761
n3
2.1530259609296E+21
n4
2.7801337418202E+28
n5
3.589898014546E+35
2 √n
3593.4219067624
3 √n
234.60583387688
4 √n
59.945157492181
5 √n
26.436459047655
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
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
md5
dae9116b113214b35e7390587552edd8
sha1
164db33ba5cf865ae92a1ef3ae549784c4e132ae
sha256
e94eeb55082589826cdd35f57e02c2b4435ae4bc737770ded3e0f7809931c17f
sha512
670e78f276121c515c8265fe87f06ebdee17b981bdfa1ef0a73938abe300891376d03a67eb97ce0e18751e759e22c746fa99ad3e7c6b2cedd8c20795a0489988
ripemd-160
2deb6d99873bbd8b8fc67a13a4033024b319ccfe
Diameter
25825362
Circumference
81132767.535497
Area
5.2382077291651E+14
Volume
9.0185740557925E+21
Surface area
2.0952830916661E+15
Circumference
81132767.535497
Perimeter
51650724
Area
166737330607761
Diagonal
18261288.596797
Surface area
1000423983646566
Volume
2.1530259609296E+21
Space diagonal
22365419.553929
Perimeter
38738043
Area
72199382032763
Altitude
11182709.776965
Surface area
72199382032763
Volume
2.5373654284066E+20
Height
6087096.1989325