12921487 is an odd 8-digits composite number following 12921486
and preceding 12921488 . In scientific notation, it is written as 1.2921487 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 12885136 positive integers (up to 12921487) that are relatively prime to 12921487.
12921487 has 4 divisors, whose sum is 12957840
The reverse of 12921487 is 78412921
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred twenty-one thousand four hundred eighty-seven
Scientific notation
1.2921487 × 10^7
Engineering notation
1.2921487 × 10^6
Prime Factorization
359 × 35993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12921487
Product of the distinct prime numbers
The prime factorization of 12921487 is 359 × 35993.
Since it has a total of 2 prime factors.
7 , 4 , 45 , 55 , 704 , 233 , 8176 , 6571 , 80776 , 28741 , 587616 , 53964 , 3057542 , 7000619 , 10635651 , 78114215 , 109492189 , 6749302 , 2778531982 , 1473039378
n×2
25842974
n×3
38764461
n×4
51685948
n×5
64607435
n÷2
6460743.5
n÷3
4307162.3333333
n÷3
3230371.75
n÷5
2584297.4
n2
166964826291169
n3
2.1574338323786E+21
n4
2.787725321844E+28
n5
3.6021556505778E+35
2 √n
3594.6469924041
3 √n
234.65915276855
4 √n
59.955375008452
5 √n
26.440063813852
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
-12921486
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 12921487 can be divided by 4 positive divisors.
The sum of these divisors (counting 12921487) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010010101010001111
3
Ternary
220022110221121
4
Quaternary
301102222033
5
Quinary
11301441422
6
Senary
1140541411
8
Octal
61225217
10
Decimal
12921487
12
Duodecimal
43b1867
16
Hexadecimal
c52a8f
20
Vigesimal
40f3e7
36
Base36
7oya7
md5
0849e7ca20365c80b3cd181b0da3dffb
sha1
596c6024348502c30e69ff6eb38bb179653b881f
sha256
d5421366fd74e52257703d6314aac1a273e029deb499df304f1cc5095555d179
sha512
1c35df97199e24314e514b37b43b7907c7603c1adfba0f6cfaa4869293881576bf3c084be4f69d45030e57954bada814278776ab9153237f62c7d45a205bf6a8
ripemd-160
3c37d483939742a5248e6837109e8ce1cd0ec564
Diameter
25842974
Circumference
81188097.265312
Area
5.2453547168423E+14
Volume
9.0370377045422E+21
Surface area
2.0981418867369E+15
Circumference
81188097.265312
Perimeter
51685948
Area
166964826291169
Diagonal
18273742.161428
Surface area
1001788957747014
Volume
2.1574338323786E+21
Space diagonal
22380671.993341
Perimeter
38764461
Area
72297890553304
Altitude
11190335.99667
Surface area
72297890553304
Volume
2.542560154727E+20
Height
6091247.3871425