12897488 is an even 8-digits composite number following 12897487
and preceding 12897489 . In scientific notation, it is written as 1.2897488 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 6240480 positive integers (up to 12897488) that are relatively prime to 12897488.
12897488 has 20 divisors, whose sum is 25795968
The reverse of 12897488 is 88479821
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million eight hundred ninety-seven thousand four hundred eighty-eight
Scientific notation
1.2897488 × 10^7
Engineering notation
1.2897488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 31 × 26003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1612186
Product of the distinct prime numbers
The prime factorization of 12897488 is 2 × 2 × 2 × 2 × 31 × 26003.
Since it has a total of 6 prime factors.
3 , 1 , 89 , 84 , 203 , 745 , 670 , 6585 , 61619 , 27003 , 29359 , 951664 , 1215813 , 3022963 , 76454895 , 55046422 , 148585742 , 55349916 , 7362394015 , 6436891135
n×2
25794976
n×3
38692464
n×4
51589952
n×5
64487440
n÷2
6448744
n÷3
4299162.6666667
n÷3
3224372
n÷5
2579497.6
n2
166345196710144
n3
2.1454351784267E+21
n4
2.7670724468537E+28
n5
3.5688283678426E+35
2 √n
3591.3072828707
3 √n
234.51378572444
4 √n
59.927516908935
5 √n
26.430235114961
1 , 2 , 4 , 8 , 16 , 31 , 62 , 124 , 248 , 496 , 26003 , 52006 , 104012 , 208024 , 416048 , 806093 , 1612186 , 3224372 , 6448744 , 12897488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897488 can be divided by 20 positive divisors.
The sum of these divisors (counting 12897488) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001001100110011010000
3
Ternary
220021021000202
4
Quaternary
301030303100
5
Quinary
11300204423
6
Senary
1140234332
8
Octal
61146320
10
Decimal
12897488
12
Duodecimal
439b9a8
16
Hexadecimal
c4ccd0
20
Vigesimal
40c3e8
36
Base36
7ofrk
md5
cb81da451ea1ff7c1599982e3fc7968e
sha1
54beec0700293f58c9996547c0cfc465be2b2637
sha256
4a641713ae4e679e8b0ba4ae299e2c8b73856719caa70615b1a1e0813e39b787
sha512
030f10ee2c67c18de1d475b5a511e0c276e3375a930446c2f12849d09a43fd958e4c178f046110eece2c1afa276ead66d5f42ca869669c9c8080b649b71d70b7
ripemd-160
d6a57b2aefc1815b8a2645cd0fb4a7e91ccfd426
Diameter
25794976
Circumference
81037307.101125
Area
5.2258884794454E+14
Volume
8.986777860398E+21
Surface area
2.0903553917781E+15
Circumference
81037307.101125
Perimeter
51589952
Area
166345196710144
Diagonal
18239802.450144
Surface area
998071180260864
Volume
2.1454351784267E+21
Space diagonal
22339104.50601
Perimeter
38692464
Area
72029583074252
Altitude
11169552.253005
Surface area
72029583074252
Volume
2.5284196054362E+20
Height
6079934.1500481