12145890 is an even 8-digits composite number following 12145889
and preceding 12145891 . In scientific notation, it is written as 1.2145890 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 3224000 positive integers (up to 12145890) that are relatively prime to 12145890.
12145890 has 32 divisors, whose sum is 29284416
The reverse of 12145890 is 09854121
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million one hundred forty-five thousand eight hundred ninety
Scientific notation
1.2145890 × 10^7
Engineering notation
1.2145890 × 10^6
Prime Factorization
2 × 5 × 3 × 251 × 1613
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12145890
Product of the distinct prime numbers
The prime factorization of 12145890 is 2 × 5 × 3 × 251 × 1613.
Since it has a total of 5 prime factors.
2 , 1 , 28 , 33 , 884 , 484 , 9571 , 6621 , 66496 , 33302 , 683497 , 887935 , 6300776 , 2441867 , 95723526 , 62796993 , 861891195 , 126420276 , 5231631893 , 4500197925
n×2
24291780
n×3
36437670
n×4
48583560
n×5
60729450
n÷2
6072945
n÷3
4048630
n÷3
3036472.5
n÷5
2429178
n2
147522643892100
n3
1.7917938052226E+21
n4
2.1762930460915E+28
n5
2.6433015945593E+35
2 √n
3485.0954075893
3 √n
229.86690472246
4 √n
59.0346966418
5 √n
26.114749764542
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 251 , 502 , 753 , 1255 , 1506 , 1613 , 2510 , 3226 , 3765 , 4839 , 7530 , 8065 , 9678 , 16130 , 24195 , 48390 , 404863 , 809726 , 1214589 , 2024315 , 2429178 , 4048630 , 6072945 , 12145890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12145889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12145890 can be divided by 32 positive divisors.
The sum of these divisors (counting 12145890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101110010101010011100010
3
Ternary
211212002000210
4
Quaternary
232111103202
5
Quinary
11102132030
6
Senary
1112154550
8
Octal
56252342
10
Decimal
12145890
12
Duodecimal
4098a56
16
Hexadecimal
b954e2
20
Vigesimal
3fi4ea
36
Base36
78btu
md5
22dbbabb6cb347c2e5e51d4a579b1e9a
sha1
075f5a5b703a38a0a4f9ec8ae9ae2341266c865e
sha256
65b893fc8e4ea696a49a1446e9e1c6c72676bee21af98479668cb432c9dd3319
sha512
70151ddea53f41b167e484bc03958832e8a17ef225acc2c4744bf66e449a503caaa91fc3e33c3059c16a18ba0893d4bb0138dfe0eb9079b30afa19be2eb1424e
ripemd-160
4ad7cd861e3f497489ad9554a0013bfb48206e7f
Diameter
24291780
Circumference
76314877.590619
Area
4.6345605428956E+14
Volume
7.5054483403134E+21
Surface area
1.8538242171583E+15
Circumference
76314877.590619
Perimeter
48583560
Area
147522643892100
Diagonal
17176882.365092
Surface area
885135863352600
Volume
1.7917938052226E+21
Space diagonal
21037298.583143
Perimeter
36437670
Area
63879178622002
Altitude
10518649.291571
Surface area
63879178622002
Volume
2.1116492502683E+20
Height
5725627.4550306