12897978 is an even 8-digits composite number following 12897977
and preceding 12897979 . In scientific notation, it is written as 1.2897978 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 4183056 positive integers (up to 12897978) that are relatively prime to 12897978.
12897978 has 16 divisors, whose sum is 26493600
The reverse of 12897978 is 87979821
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twelve million eight hundred ninety-seven thousand nine hundred seventy-eight
Scientific notation
1.2897978 × 10^7
Engineering notation
1.2897978 × 10^6
Prime Factorization
2 × 3 × 37 × 58099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12897978
Product of the distinct prime numbers
The prime factorization of 12897978 is 2 × 3 × 37 × 58099.
Since it has a total of 4 prime factors.
8 , 6 , 97 , 30 , 322 , 563 , 4800 , 7718 , 47977 , 70240 , 600305 , 908043 , 6945640 , 6718703 , 96268155 , 32448051 , 957631283 , 483103007 , 7640687782 , 5987385835
n×2
25795956
n×3
38693934
n×4
51591912
n×5
64489890
n÷2
6448989
n÷3
4299326
n÷3
3224494.5
n÷5
2579595.6
n2
166357836488484
n3
2.1456797151561E+21
n4
2.7674929761129E+28
n5
3.5695063521059E+35
2 √n
3591.375502506
3 √n
234.51675556114
4 √n
59.928086090797
5 √n
26.430435938848
1 , 2 , 3 , 6 , 37 , 74 , 111 , 222 , 58099 , 116198 , 174297 , 348594 , 2149663 , 4299326 , 6448989 , 12897978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897978 can be divided by 16 positive divisors.
The sum of these divisors (counting 12897978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001100111010111010
3
Ternary
220021021200220
4
Quaternary
301030322322
5
Quinary
11300213403
6
Senary
1140240510
8
Octal
61147272
10
Decimal
12897978
12
Duodecimal
43a0136
16
Hexadecimal
c4ceba
20
Vigesimal
40c4ii
36
Base36
7og56
md5
8c2180612c3307d654b39e5115143925
sha1
ad7b7b48de5dc99d2be487d4857b7d40f6c08a69
sha256
0ad8529390bf5675a87983020958a956e6bfbd9175cc23d0e16f830da140f0c2
sha512
3a9eba62c1cf56bfc7eaeda9536604819a3a0cb5b5c3e5de56ce8c2a2631e7dae6abe038a8c4009cecab04045875cfd372a6293818080fd1887dadf60a372f49
ripemd-160
ef050c778b54cffead7c4d28123957e84a2610df
Diameter
25795956
Circumference
81040385.861926
Area
5.2262855697931E+14
Volume
8.9878021734546E+21
Surface area
2.0905142279173E+15
Circumference
81040385.861926
Perimeter
51591912
Area
166357836488484
Diagonal
18240495.41479
Surface area
998147018930904
Volume
2.1456797151561E+21
Space diagonal
22339953.210906
Perimeter
38693934
Area
72035056258822
Altitude
11169976.605453
Surface area
72035056258822
Volume
2.5287077947355E+20
Height
6080165.1382633