12981008 is an even 8-digits composite number following 12981007
and preceding 12981009 . In scientific notation, it is written as 1.2981008 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors.
There are 6476064 positive integers (up to 12981008) that are relatively prime to 12981008.
12981008 has 20 divisors, whose sum is 25206720
The reverse of 12981008 is 80018921
Previous prime number is 967
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred eighty-one thousand eight
Scientific notation
1.2981008 × 10^7
Engineering notation
1.2981008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 967 × 839
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1622626
Product of the distinct prime numbers
The prime factorization of 12981008 is 2 × 2 × 2 × 2 × 967 × 839.
Since it has a total of 6 prime factors.
9 , 3 , 26 , 92 , 939 , 844 , 7995 , 9669 , 22201 , 74585 , 83240 , 481580 , 6388892 , 8197962 , 40899252 , 86079127 , 742949888 , 910397261 , 1028666475 , 4491753932
n×2
25962016
n×3
38943024
n×4
51924032
n×5
64905040
n÷2
6490504
n÷3
4327002.6666667
n÷3
3245252
n÷5
2596201.6
n2
168506568696064
n3
2.1873851162962E+21
n4
2.8394463693721E+28
n5
3.6858876036391E+35
2 √n
3602.9165963147
3 √n
235.01890899605
4 √n
60.02430004852
5 √n
26.464377537873
1 , 2 , 4 , 8 , 16 , 839 , 967 , 1678 , 1934 , 3356 , 3868 , 6712 , 7736 , 13424 , 15472 , 811313 , 1622626 , 3245252 , 6490504 , 12981008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981008 can be divided by 20 positive divisors.
The sum of these divisors (counting 12981008) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001100001001100010000
3
Ternary
220102111121002
4
Quaternary
301201030100
5
Quinary
11310343013
6
Senary
1142121132
8
Octal
61411420
10
Decimal
12981008
12
Duodecimal
44201a8
16
Hexadecimal
c61310
20
Vigesimal
412ca8
36
Base36
7q87k
md5
86854b1f8896dbc00b8500cbd37b8302
sha1
cda64db0af818354eb20152dbdbe09682b5c311b
sha256
ea465dab5edc813ac1781d9276c3635137bf1e4045db18c1aad45e39ce1c565f
sha512
18a099abbdf1f22437d7f2a73c7fee22cdf49db724390a83c7039d639eab7e11221b03cf94fee9e27bb43493efd46a86aa506a0aead7dc91c85cf99308374455
ripemd-160
507d2a5d9ee7b3e1506672078865e8472f0a8f45
Diameter
25962016
Circumference
81562078.737981
Area
5.2937899829718E+14
Volume
9.1624973492369E+21
Surface area
2.1175159931887E+15
Circumference
81562078.737981
Perimeter
51924032
Area
168506568696064
Diagonal
18357917.566874
Surface area
1011039412176384
Volume
2.1873851162962E+21
Space diagonal
22483765.389458
Perimeter
38943024
Area
72965484597670
Altitude
11241882.694729
Surface area
72965484597670
Volume
2.5778580813326E+20
Height
6119305.8556245