12981912 is an even 8-digits composite number following 12981911
and preceding 12981913 . In scientific notation, it is written as 1.2981912 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 4143360 positive integers (up to 12981912) that are relatively prime to 12981912.
12981912 has 32 divisors, whose sum is 24998400
The reverse of 12981912 is 21918921
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million nine hundred eighty-one thousand nine hundred twelve
Scientific notation
1.2981912 × 10^7
Engineering notation
1.2981912 × 10^6
Prime Factorization
2 × 2 × 2 × 123 × 79 × 167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3245478
Product of the distinct prime numbers
The prime factorization of 12981912 is 2 × 2 × 2 × 123 × 79 × 167.
Since it has a total of 6 prime factors.
4 , 3 , 83 , 51 , 185 , 168 , 7747 , 1228 , 58647 , 19189 , 651888 , 62863 , 524151 , 6608476 , 85306725 , 94958125 , 204786567 , 622811969 , 3448502259 , 740221020
n×2
25963824
n×3
38945736
n×4
51927648
n×5
64909560
n÷2
6490956
n÷3
4327304
n÷3
3245478
n÷5
2596382.4
n2
168530039175744
n3
2.1878421379361E+21
n4
2.8402374104578E+28
n5
3.6871712121671E+35
2 √n
3603.0420480477
3 √n
235.02436445739
4 √n
60.025345047303
5 √n
26.464746124517
1 , 2 , 4 , 8 , 79 , 123 , 158 , 167 , 246 , 316 , 334 , 492 , 632 , 668 , 984 , 1336 , 9717 , 13193 , 19434 , 20541 , 26386 , 38868 , 41082 , 52772 , 77736 , 82164 , 105544 , 164328 , 1622739 , 3245478 , 6490956 , 12981912
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
-12981911
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 12981912 can be divided by 32 positive divisors.
The sum of these divisors (counting 12981912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001100001011010011000
3
Ternary
220102112211120
4
Quaternary
301201122120
5
Quinary
11310410122
6
Senary
1142125240
8
Octal
61413230
10
Decimal
12981912
12
Duodecimal
4420820
16
Hexadecimal
c61698
20
Vigesimal
412efc
36
Base36
7q8wo
md5
2cff52271504c3264d383c33acbd4a64
sha1
07d57f7a962bc6ea0f8c62def594ea9604cc1ba6
sha256
f15afb68d5156f4d7d2e6f7a93a05d39701e34def0faac41eec304f003193359
sha512
c1808903787f8cc8435d08822a24ef194e0a04334c133351ca0b3c9bf5ca3a88976b7c5129d540de2a273b46e96f496976daaf93a0a26abf658e415bfa07a166
ripemd-160
8ff248fc9d49a9e3fe06665665f86965e8a71a65
Diameter
25963824
Circumference
81567758.737498
Area
5.2945273298372E+14
Volume
9.1644117170055E+21
Surface area
2.1178109319349E+15
Circumference
81567758.737498
Perimeter
51927648
Area
168530039175744
Diagonal
18359196.015934
Surface area
1011180235054464
Volume
2.1878421379361E+21
Space diagonal
22485331.163388
Perimeter
38945736
Area
72975647613490
Altitude
11242665.581694
Surface area
72975647613490
Volume
2.5783966865004E+20
Height
6119732.0053113