12895978 is an even 8-digits composite number following 12895977
and preceding 12895979 . In scientific notation, it is written as 1.2895978 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 6447988 positive integers (up to 12895978) that are relatively prime to 12895978.
12895978 has 4 divisors, whose sum is 19343970
The reverse of 12895978 is 87959821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twelve million eight hundred ninety-five thousand nine hundred seventy-eight
Scientific notation
1.2895978 × 10^7
Engineering notation
1.2895978 × 10^6
Prime Factorization
2 × 6447989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12895978
Product of the distinct prime numbers
The prime factorization of 12895978 is 2 × 6447989.
Since it has a total of 2 prime factors.
2 , 3 , 16 , 40 , 361 , 160 , 7508 , 8693 , 39955 , 1203 , 924526 , 446857 , 5126041 , 5896992 , 61506148 , 44521922 , 233258185 , 943701065 , 4077885590 , 8612531962
n×2
25791956
n×3
38687934
n×4
51583912
n×5
64479890
n÷2
6447989
n÷3
4298659.3333333
n÷3
3223994.5
n÷5
2579195.6
n2
166306248576484
n3
2.1446817229049E+21
n4
2.7657768315583E+28
n5
3.5667397172686E+35
2 √n
3591.0970468646
3 √n
234.50463330559
4 √n
59.92576279752
5 √n
26.429616211122
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
-12895977
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 12895978 can be divided by 4 positive divisors.
The sum of these divisors (counting 12895978) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001001100011011101010
3
Ternary
220021011221211
4
Quaternary
301030123222
5
Quinary
11300132403
6
Senary
1140223334
8
Octal
61143352
10
Decimal
12895978
12
Duodecimal
439ab4a
16
Hexadecimal
c4c6ea
20
Vigesimal
40bjii
36
Base36
7oelm
md5
ed247310b315b70cfa0a6195f7231983
sha1
bcb8e8db08557607cc06d82b664c7def867d3ba2
sha256
c90551f81280322aea7c18a3618cc859ff5882f12426d103cfee5f8ed51c1fe1
sha512
de9e8cbef9bec95b80d43e13b5d838ad6bcc033b584a05b1bc4fc170d9d8f33f92f524325b21b5e1de6ec43aa892bd19b62f0c9b42dd624e537d9dda28687add
ripemd-160
cf72ef0b5bba8e548a82b1c3e1c6db791e53b87b
Diameter
25791956
Circumference
81027819.491311
Area
5.2246648877396E+14
Volume
8.9836217932883E+21
Surface area
2.0898659550958E+15
Circumference
81027819.491311
Perimeter
51583912
Area
166306248576484
Diagonal
18237666.987665
Surface area
997837491458904
Volume
2.1446817229049E+21
Space diagonal
22336489.10929
Perimeter
38687934
Area
72012718037662
Altitude
11168244.554645
Surface area
72012718037662
Volume
2.5275316495881E+20
Height
6079222.3292217