12897949 is an odd 8-digits composite number following 12897948
and preceding 12897950 . In scientific notation, it is written as 1.2897949 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 12805020 positive integers (up to 12897949) that are relatively prime to 12897949.
12897949 has 4 divisors, whose sum is 12990880
The reverse of 12897949 is 94979821
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million eight hundred ninety-seven thousand nine hundred forty-nine
Scientific notation
1.2897949 × 10^7
Engineering notation
1.2897949 × 10^6
Prime Factorization
139 × 92791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12897949
Product of the distinct prime numbers
The prime factorization of 12897949 is 139 × 92791.
Since it has a total of 2 prime factors.
4 , 8 , 59 , 96 , 66 , 492 , 5300 , 4382 , 19420 , 74311 , 729923 , 31752 , 6490276 , 3388281 , 61786408 , 39638308 , 811619853 , 348472870 , 9623745882 , 4018645581
n×2
25795898
n×3
38693847
n×4
51591796
n×5
64489745
n÷2
6448974.5
n÷3
4299316.3333333
n÷3
3224487.25
n÷5
2579589.8
n2
166357088406601
n3
2.1456652420568E+21
n4
2.7674680863122E+28
n5
3.5694662236382E+35
2 √n
3591.3714650534
3 √n
234.51657979739
4 √n
59.928052404975
5 √n
26.430424053523
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
-12897948
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 12897949 can be divided by 4 positive divisors.
The sum of these divisors (counting 12897949) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001100111010011101
3
Ternary
220021021122211
4
Quaternary
301030322131
5
Quinary
11300213244
6
Senary
1140240421
8
Octal
61147235
10
Decimal
12897949
12
Duodecimal
43a0111
16
Hexadecimal
c4ce9d
20
Vigesimal
40c4h9
36
Base36
7og4d
md5
ce4dd9279e9a3b8cc8e60c24842e790c
sha1
cdefae4576dc038c0f0891789eb9b8cf7f208987
sha256
b17cfe5ea1fb3a678dcc0620825e05705d4c5a09b8b46b9c132d0f9803739752
sha512
87ec4fadd40f10d85ea0056fdd7821a4c35beddd932e102d9a47e823cc68e0d520495756243941f1a9ab2d2b827e952c3eb3a5fad2f7549a6910a080fb8449d5
ripemd-160
a95d980db819a13e38e785369b2d0ea430005e0b
Diameter
25795898
Circumference
81040203.649552
Area
5.2262620681077E+14
Volume
8.9877415486783E+21
Surface area
2.0905048272431E+15
Circumference
81040203.649552
Perimeter
51591796
Area
166357088406601
Diagonal
18240454.402596
Surface area
998142530439606
Volume
2.1456652420568E+21
Space diagonal
22339902.981432
Perimeter
38693847
Area
72034732329865
Altitude
11169951.490716
Surface area
72034732329865
Volume
2.5286907380244E+20
Height
6080151.4675322