12897720 is an even 8-digits composite number following 12897719
and preceding 12897721 . In scientific notation, it is written as 1.2897720 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 3125760 positive integers (up to 12897720) that are relatively prime to 12897720.
12897720 has 32 divisors, whose sum is 27367200
The reverse of 12897720 is 02779821
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million eight hundred ninety-seven thousand seven hundred twenty
Scientific notation
1.2897720 × 10^7
Engineering notation
1.2897720 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 55 × 3257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3224430
Product of the distinct prime numbers
The prime factorization of 12897720 is 2 × 2 × 2 × 9 × 55 × 3257.
Since it has a total of 6 prime factors.
9 , 6 , 26 , 93 , 591 , 174 , 2190 , 5657 , 83233 , 14312 , 40363 , 5253 , 5532596 , 7250524 , 43678958 , 91032332 , 902706750 , 968049195 , 3755876077 , 9941939138
n×2
25795440
n×3
38693160
n×4
51590880
n×5
64488600
n÷2
6448860
n÷3
4299240
n÷3
3224430
n÷5
2579544
n2
166351181198400
n3
2.1455509567662E+21
n4
2.7672715486103E+28
n5
3.5691493597942E+35
2 √n
3591.3395829412
3 √n
234.51519186058
4 √n
59.927786401144
5 √n
26.430330199684
1 , 2 , 4 , 8 , 9 , 18 , 36 , 55 , 72 , 110 , 220 , 440 , 495 , 990 , 1980 , 3257 , 3960 , 6514 , 13028 , 26056 , 29313 , 58626 , 117252 , 179135 , 234504 , 358270 , 716540 , 1433080 , 1612215 , 3224430 , 6448860 , 12897720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897720 can be divided by 32 positive divisors.
The sum of these divisors (counting 12897720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001001100110110111000
3
Ternary
220021021100100
4
Quaternary
301030312320
5
Quinary
11300211340
6
Senary
1140235400
8
Octal
61146670
10
Decimal
12897720
12
Duodecimal
439bb60
16
Hexadecimal
c4cdb8
20
Vigesimal
40c460
36
Base36
7ofy0
md5
ec677042aef0fc6686a340017d457b88
sha1
df3b4aa35dafaf9daac8dc76609b46dd0b72e462
sha256
41f0148a77f062da4743baa1e75712a30ddda253e7ce8791035f037ff5f786ce
sha512
e8154b344e8b5cd0791b6179211f176bf4f266e11c73614cc581a7ead416b647cbd2d706fa0a0ea1969189e9544de79cda432b7a7f2817cf3d243371743b78dc
ripemd-160
6baa1d0a79f219600bc02466b0e858b1182d34ed
Diameter
25795440
Circumference
81038764.800116
Area
5.2260764876888E+14
Volume
8.9872628315724E+21
Surface area
2.0904305950755E+15
Circumference
81038764.800116
Perimeter
51590880
Area
166351181198400
Diagonal
18240130.547691
Surface area
998107087190400
Volume
2.1455509567662E+21
Space diagonal
22339506.341797
Perimeter
38693160
Area
72032174433681
Altitude
11169753.170899
Surface area
72032174433681
Volume
2.5285560515178E+20
Height
6080043.5158969