12897487 is an odd 8-digits composite number following 12897486
and preceding 12897488 . In scientific notation, it is written as 1.2897487 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 12825256 positive integers (up to 12897487) that are relatively prime to 12897487.
12897487 has 4 divisors, whose sum is 12969720
The reverse of 12897487 is 78479821
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million eight hundred ninety-seven thousand four hundred eighty-seven
Scientific notation
1.2897487 × 10^7
Engineering notation
1.2897487 × 10^6
Prime Factorization
179 × 72053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12897487
Product of the distinct prime numbers
The prime factorization of 12897487 is 179 × 72053.
Since it has a total of 2 prime factors.
1 , 6 , 58 , 58 , 926 , 456 , 154 , 6625 , 76073 , 87367 , 108298 , 346094 , 1188114 , 4089125 , 90011290 , 20095849 , 152491846 , 899707145 , 5607100338 , 4813323879
n×2
25794974
n×3
38692461
n×4
51589948
n×5
64487435
n÷2
6448743.5
n÷3
4299162.3333333
n÷3
3224371.75
n÷5
2579497.4
n2
166345170915169
n3
2.1454346793912E+21
n4
2.7670715886797E+28
n5
3.5688269843066E+35
2 √n
3591.3071436456
3 √n
234.51377966347
4 √n
59.927515747323
5 √n
26.43023470511
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
-12897486
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 12897487 can be divided by 4 positive divisors.
The sum of these divisors (counting 12897487) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001100110011001111
3
Ternary
220021021000201
4
Quaternary
301030303033
5
Quinary
11300204422
6
Senary
1140234331
8
Octal
61146317
10
Decimal
12897487
12
Duodecimal
439b9a7
16
Hexadecimal
c4cccf
20
Vigesimal
40c3e7
36
Base36
7ofrj
md5
3105dab8236f945aebd44602bd3db8fb
sha1
66342a353a4091516080402d810aab4cee29b9b9
sha256
ead98a8b20fb6e689d33f5ea6172beeea98c1029d04e3eb21ebfb6cb30f9db88
sha512
018876fe3d1c2a8f8773e2dd07ac50e00b1c5aa3bd5f49c342bca2eadafc0ed6cb66bee5577dad085086bfecd23df5e8145e50fbc50ce66163e52d120aca77f6
ripemd-160
69181f63965cbdd4b3bb69682c1e30964a380531
Diameter
25794974
Circumference
81037300.81794
Area
5.2258876690723E+14
Volume
8.9867757700428E+21
Surface area
2.0903550676289E+15
Circumference
81037300.81794
Perimeter
51589948
Area
166345170915169
Diagonal
18239801.035931
Surface area
998071025491014
Volume
2.1454346793912E+21
Space diagonal
22339102.773959
Perimeter
38692461
Area
72029571904700
Altitude
11169551.38698
Surface area
72029571904700
Volume
2.5284190173171E+20
Height
6079933.6786436