12981911 is an odd 8-digits prime number following 12981910
and preceding 12981912 . In scientific notation, it is written as 1.2981911 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 12981910 positive integers (up to 12981911) that are relatively prime to 12981911.
12981911 has 2 divisors, whose sum is 12981912
The reverse of 12981911 is 11918921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred eighty-one thousand nine hundred eleven
Scientific notation
1.2981911 × 10^7
Engineering notation
1.2981911 × 10^6
Prime Factorization
12981911
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12981911
Product of the distinct prime numbers
The prime factorization of 12981911 is 12981911.
Since it has a total of 1 prime factors.
2 , 4 , 89 , 18 , 891 , 566 , 9589 , 9345 , 64029 , 87664 , 724001 , 858693 , 9889428 , 919476 , 54164547 , 22685572 , 938453892 , 600495066 , 1973766752 , 4410961555
n×2
25963822
n×3
38945733
n×4
51927644
n×5
64909555
n÷2
6490955.5
n÷3
4327303.6666667
n÷3
3245477.75
n÷5
2596382.2
n2
168530013211921
n3
2.187841632346E+21
n4
2.840236535321E+28
n5
3.6871697920486E+35
2 √n
3603.0419092761
3 √n
235.02435842273
4 √n
60.025343891361
5 √n
26.4647457168
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12981912
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6490956
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3603.0420480477
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998459395
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981911 can be divided by 2 positive divisors.
The sum of these divisors (counting 12981911) is 12981912, the average is 6490956.
Base
System
Value
2
Binary
110001100001011010010111
3
Ternary
220102112211112
4
Quaternary
301201122113
5
Quinary
11310410121
6
Senary
1142125235
8
Octal
61413227
10
Decimal
12981911
12
Duodecimal
442081b
16
Hexadecimal
c61697
20
Vigesimal
412efb
36
Base36
7q8wn
md5
84c824e69257e6bee7067a7b5867177f
sha1
d0dcbc367029fe9093109b485d509238816b7639
sha256
fb192c27c42c80d3c60c01f70eb58c7501602e856363943a692e93e4bb74e777
sha512
7e49470a7a28d7cfd509522df3669bfd8b2febbfff80613f8ffcde74412e0d853288206ccef678e3b53c82a8c746f0abc0e22ffad29e0a8fcc0c9aa6f625f462
ripemd-160
f7367fa4a65a3636ad0d9633127ba596de4b772f
Diameter
25963822
Circumference
81567752.454313
Area
5.2945265141596E+14
Volume
9.1644095991947E+21
Surface area
2.1178106056638E+15
Circumference
81567752.454313
Perimeter
51927644
Area
168530013211921
Diagonal
18359194.60172
Surface area
1011180079271526
Volume
2.187841632346E+21
Space diagonal
22485329.431337
Perimeter
38945733
Area
72975636370825
Altitude
11242664.715669
Surface area
72975636370825
Volume
2.5783960906568E+20
Height
6119731.5339068