12897961 is an odd 8-digits prime number following 12897960
and preceding 12897962 . In scientific notation, it is written as 1.2897961 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 12897960 positive integers (up to 12897961) that are relatively prime to 12897961.
12897961 has 2 divisors, whose sum is 12897962
The reverse of 12897961 is 16979821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
1.2897961 × 10^7
Engineering notation
1.2897961 × 10^6
Prime Factorization
12897961
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12897961
Product of the distinct prime numbers
The prime factorization of 12897961 is 12897961.
Since it has a total of 1 prime factors.
6 , 6 , 10 , 88 , 440 , 412 , 6917 , 8965 , 70009 , 12134 , 632666 , 108530 , 8683273 , 4511593 , 1871876 , 63869414 , 407433929 , 289041396 , 947784645 , 9390882517
n×2
25795922
n×3
38693883
n×4
51591844
n×5
64489805
n÷2
6448980.5
n÷3
4299320.3333333
n÷3
3224490.25
n÷5
2579592.2
n2
166357397957521
n3
2.1456712309176E+21
n4
2.7674783855197E+28
n5
3.5694828284776E+35
2 √n
3591.373135724
3 √n
234.51665252725
4 √n
59.928066343943
5 √n
26.430428971591
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12897962
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6448981
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3591.3732749465
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998449367
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897961 can be divided by 2 positive divisors.
The sum of these divisors (counting 12897961) is 12897962, the average is 6448981.
Base
System
Value
2
Binary
110001001100111010101001
3
Ternary
220021021200021
4
Quaternary
301030322221
5
Quinary
11300213321
6
Senary
1140240441
8
Octal
61147251
10
Decimal
12897961
12
Duodecimal
43a0121
16
Hexadecimal
c4cea9
20
Vigesimal
40c4i1
36
Base36
7og4p
md5
c29bb6cd1f68ae08fddded7e8e57722d
sha1
3347714d4c77169bc34173e56063e3a3d737ffe9
sha256
809153444391c572d5726b5fde05e4595390a379ea7456af4980474317102f1a
sha512
6163cf0fd490ac03132f676bb1be809b49e12c89d8460ea7ed7f426453fd2b91be80808d0128824f7c71eed534c2a176085843868009f0b562b684c3e33fbdbf
ripemd-160
0c43ce05a3a71790ff04e8d2babb48a4892d8a2e
Diameter
25795922
Circumference
81040279.047775
Area
5.2262717929366E+14
Volume
8.9877666347595E+21
Surface area
2.0905087171746E+15
Circumference
81040279.047775
Perimeter
51591844
Area
166357397957521
Diagonal
18240471.373159
Surface area
998144387745126
Volume
2.1456712309176E+21
Space diagonal
22339923.766042
Perimeter
38693883
Area
72034866369345
Altitude
11169961.883021
Surface area
72034866369345
Volume
2.5286977959645E+20
Height
6080157.1243864