12897778 is an even 8-digits composite number following 12897777
and preceding 12897779 . In scientific notation, it is written as 1.2897778 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 6448888 positive integers (up to 12897778) that are relatively prime to 12897778.
12897778 has 4 divisors, whose sum is 19346670
The reverse of 12897778 is 87779821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million eight hundred ninety-seven thousand seven hundred seventy-eight
Scientific notation
1.2897778 × 10^7
Engineering notation
1.2897778 × 10^6
Prime Factorization
2 × 6448889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12897778
Product of the distinct prime numbers
The prime factorization of 12897778 is 2 × 6448889.
Since it has a total of 2 prime factors.
5 , 10 , 21 , 19 , 860 , 529 , 2239 , 6612 , 27794 , 56022 , 639632 , 641811 , 4447122 , 6767494 , 19584279 , 55838824 , 268847725 , 15874742 , 4245643397 , 8639747208
n×2
25795556
n×3
38693334
n×4
51591112
n×5
64488890
n÷2
6448889
n÷3
4299259.3333333
n÷3
3224444.5
n÷5
2579555.6
n2
166352677337284
n3
2.1455799020019E+21
n4
2.7673213257283E+28
n5
3.5692296113909E+35
2 √n
3591.3476579134
3 √n
234.51554339198
4 √n
59.927853773628
5 √n
26.430353970652
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897777
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897778 can be divided by 4 positive divisors.
The sum of these divisors (counting 12897778) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001100110111110010
3
Ternary
220021021102111
4
Quaternary
301030313302
5
Quinary
11300212103
6
Senary
1140235534
8
Octal
61146762
10
Decimal
12897778
12
Duodecimal
439bbaa
16
Hexadecimal
c4cdf2
20
Vigesimal
40c48i
36
Base36
7ofzm
md5
452ca9d12631de505be0fcfc1350e13b
sha1
714345a571a60f22a9f71f16f93d79e048b8dd18
sha256
d3c180461bfd5a347d1a5a2c1bdfb28c1850e47b0655f3fe84a6c3207293c078
sha512
51d5f872b579ba5837303c749cb007fa8f1517f5da71965248482b0df4a561f0d779c612b62402319b2f19cc90fa73944d6be11d09a1e3c1727f8af66d95bea4
ripemd-160
efee4cfb578cd08598483d4d63a02de923000157
Diameter
25795556
Circumference
81039129.224864
Area
5.226123490278E+14
Volume
8.9873840770922E+21
Surface area
2.0904493961112E+15
Circumference
81039129.224864
Perimeter
51591112
Area
166352677337284
Diagonal
18240212.572077
Surface area
998116064023704
Volume
2.1455799020019E+21
Space diagonal
22339606.800744
Perimeter
38693334
Area
72032822280822
Altitude
11169803.400372
Surface area
72032822280822
Volume
2.5285901638052E+20
Height
6080070.8573591