12621187 is an odd 8-digits composite number following 12621186
and preceding 12621188 . In scientific notation, it is written as 1.2621187 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 11956896 positive integers (up to 12621187) that are relatively prime to 12621187.
12621187 has 4 divisors, whose sum is 13285480
The reverse of 12621187 is 78112621
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million six hundred twenty-one thousand one hundred eighty-seven
Scientific notation
1.2621187 × 10^7
Engineering notation
1.2621187 × 10^6
Prime Factorization
19 × 664273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12621187
Product of the distinct prime numbers
The prime factorization of 12621187 is 19 × 664273.
Since it has a total of 2 prime factors.
1 , 2 , 26 , 74 , 291 , 960 , 608 , 3093 , 32295 , 16884 , 328179 , 290468 , 6382411 , 4057403 , 43240645 , 8145453 , 799011749 , 377717641 , 6088561127 , 2311067835
n×2
25242374
n×3
37863561
n×4
50484748
n×5
63105935
n÷2
6310593.5
n÷3
4207062.3333333
n÷3
3155296.75
n÷5
2524237.4
n2
159294361288969
n3
2.0104839218736E+21
n4
2.5374693538461E+28
n5
3.202587522166E+35
2 √n
3552.630996881
3 √n
232.82703121168
4 √n
59.603951185144
5 √n
26.316009850543
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
-12621186
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 12621187 can be divided by 4 positive divisors.
The sum of these divisors (counting 12621187) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000001001010110000011
3
Ternary
212202020000101
4
Quaternary
300021112003
5
Quinary
11212334222
6
Senary
1130303231
8
Octal
60112603
10
Decimal
12621187
12
Duodecimal
4287b17
16
Hexadecimal
c09583
20
Vigesimal
3ihcj7
36
Base36
7iikj
md5
7fb01abf203aae85735bdbf373f52cc2
sha1
71e7de75c22f500cd0fbd7f6871c98ee75de65bb
sha256
d0cc15580b7dc43a338d61c530258a28c7f7e8c31205976091ff6cfc251933b1
sha512
2a1bbd1f51182add51bdbbc020195eced37838ea55145b3429cda0803eb0a2d661df0425d39144a803a3cb64583bb02e1583b8983d186e39aace332491da509a
ripemd-160
16c6268c855721b16477319ba6d5d68e680cfa83
Diameter
25242374
Circumference
79301256.717566
Area
5.004379951837E+14
Volume
8.4214953588248E+21
Surface area
2.0017519807348E+15
Circumference
79301256.717566
Perimeter
50484748
Area
159294361288969
Diagonal
17849053.828647
Surface area
955766167733814
Volume
2.0104839218736E+21
Space diagonal
21860537.135828
Perimeter
37863561
Area
68976481777932
Altitude
10930268.567914
Surface area
68976481777932
Volume
2.3693780243723E+20
Height
5949684.609549