12921491 is an odd 8-digits composite number following 12921490
and preceding 12921492 . In scientific notation, it is written as 1.2921491 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 11746800 positive integers (up to 12921491) that are relatively prime to 12921491.
12921491 has 4 divisors, whose sum is 14096184
The reverse of 12921491 is 19412921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred twenty-one thousand four hundred ninety-one
Scientific notation
1.2921491 × 10^7
Engineering notation
1.2921491 × 10^6
Prime Factorization
11 × 1174681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12921491
Product of the distinct prime numbers
The prime factorization of 12921491 is 11 × 1174681.
Since it has a total of 2 prime factors.
7 , 10 , 30 , 3 , 741 , 277 , 5043 , 4704 , 61674 , 83431 , 899349 , 738809 , 1066177 , 7003326 , 24648313 , 20326496 , 64296615 , 307847497 , 3287774931 , 1618102420
n×2
25842982
n×3
38764473
n×4
51685964
n×5
64607455
n÷2
6460745.5
n÷3
4307163.6666667
n÷3
3230372.75
n÷5
2584298.2
n2
166964929663081
n3
2.1574358359571E+21
n4
2.7877287737398E+28
n5
3.6021612260319E+35
2 √n
3594.6475487869
3 √n
234.65917698239
4 √n
59.955379648426
5 √n
26.440065450819
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
-12921490
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 12921491 can be divided by 4 positive divisors.
The sum of these divisors (counting 12921491) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010010101010010011
3
Ternary
220022110221202
4
Quaternary
301102222103
5
Quinary
11301441431
6
Senary
1140541415
8
Octal
61225223
10
Decimal
12921491
12
Duodecimal
43b186b
16
Hexadecimal
c52a93
20
Vigesimal
40f3eb
36
Base36
7oyab
md5
1f29826becee87d7120599a37d8bd987
sha1
8043f1b84bb26188bb18cb93a135745b3648ed1c
sha256
9258495df90f9da63af2341e11aad569d96625f9d35ae9aa4f01c3ec47cf520c
sha512
351a1167e44ad8eb1be12e63e09ab8d8d4516b33a8b3a30489a6c00bda5b1f0ac4a8ef45b35e3e16b52a3a068605a1c096a0821b5969a96b406c2c8ca7885410
ripemd-160
9d8c778074318aa395f1a2b6b5583a4c3ef6fece
Diameter
25842982
Circumference
81188122.398053
Area
5.2453579643667E+14
Volume
9.0370460971124E+21
Surface area
2.0981431857467E+15
Circumference
81188122.398053
Perimeter
51685964
Area
166964929663081
Diagonal
18273747.818282
Surface area
1001789577978486
Volume
2.1574358359571E+21
Space diagonal
22380678.921544
Perimeter
38764473
Area
72297935314655
Altitude
11190339.460772
Surface area
72297935314655
Volume
2.5425625159669E+20
Height
6091249.2727606