12891946 is an even 8-digits composite number following 12891945
and preceding 12891947 . In scientific notation, it is written as 1.2891946 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 6357600 positive integers (up to 12891946) that are relatively prime to 12891946.
12891946 has 8 divisors, whose sum is 19603044
The reverse of 12891946 is 64919821
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million eight hundred ninety-one thousand nine hundred forty-six
Scientific notation
1.2891946 × 10^7
Engineering notation
1.2891946 × 10^6
Prime Factorization
2 × 73 × 88301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12891946
Product of the distinct prime numbers
The prime factorization of 12891946 is 2 × 73 × 88301.
Since it has a total of 3 prime factors.
4 , 3 , 13 , 93 , 858 , 646 , 5053 , 1936 , 63271 , 67269 , 479478 , 272829 , 6598342 , 7777310 , 8979563 , 91457450 , 164433062 , 975803153 , 4192857105 , 5704109553
n×2
25783892
n×3
38675838
n×4
51567784
n×5
64459730
n÷2
6445973
n÷3
4297315.3333333
n÷3
3222986.5
n÷5
2578389.2
n2
166202271666916
n3
2.1426707114072E+21
n4
2.7623195107243E+28
n5
3.5611673967005E+35
2 √n
3590.5356146402
3 √n
234.48019102755
4 √n
59.921078216603
5 √n
26.427963330786
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
-12891945
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 12891946 can be divided by 8 positive divisors.
The sum of these divisors (counting 12891946) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001011011100101010
3
Ternary
220020222102111
4
Quaternary
301023130222
5
Quinary
11300020241
6
Senary
1140152534
8
Octal
61133452
10
Decimal
12891946
12
Duodecimal
439874a
16
Hexadecimal
c4b72a
20
Vigesimal
40b9h6
36
Base36
7obhm
md5
c3e7b632c14034588227929cb6f410fd
sha1
ebc96e7bb37c304bd441d9f5f211bdff961e8894
sha256
636a0adb4975a3fc68a62d4f0ce7693e44969d3a69a6a88a8d246acd954c030f
sha512
576a2a80f111b9481a12911db6c551a2484ecfd8a9448bf46bf699ea800203a3a196489a2475d1e2be295965d8c1bf957cbbea4980e04b970055f7d349b6c82c
ripemd-160
5dac14b2b6df1fb74925c7730da7160e4d962176
Diameter
25783892
Circumference
81002485.688153
Area
5.2213983567872E+14
Volume
8.9751980880252E+21
Surface area
2.0885593427149E+15
Circumference
81002485.688153
Perimeter
51567784
Area
166202271666916
Diagonal
18231964.878582
Surface area
997213630001496
Volume
2.1426707114072E+21
Space diagonal
22329505.480434
Perimeter
38675838
Area
71967694715116
Altitude
11164752.740217
Surface area
71967694715116
Volume
2.5251616498097E+20
Height
6077321.6261939