12155945 is an odd 8-digits composite number following 12155944
and preceding 12155946 . In scientific notation, it is written as 1.2155945 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 9724752 positive integers (up to 12155945) that are relatively prime to 12155945.
12155945 has 4 divisors, whose sum is 14587140
The reverse of 12155945 is 54955121
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million one hundred fifty-five thousand nine hundred forty-five
Scientific notation
1.2155945 × 10^7
Engineering notation
1.2155945 × 10^6
Prime Factorization
5 × 2431189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12155945
Product of the distinct prime numbers
The prime factorization of 12155945 is 5 × 2431189.
Since it has a total of 2 prime factors.
9 , 1 , 23 , 83 , 528 , 915 , 4388 , 1531 , 17761 , 7879 , 567068 , 640517 , 1981285 , 1595863 , 94260813 , 43067397 , 706287526 , 100673843 , 7648508627 , 8676027887
n×2
24311890
n×3
36467835
n×4
48623780
n×5
60779725
n÷2
6077972.5
n÷3
4051981.6666667
n÷3
3038986.25
n÷5
2431189
n2
147766998843025
n3
1.7962475107509E+21
n4
2.1835085947075E+28
n5
2.6542610384291E+35
2 √n
3486.5376808519
3 √n
229.93031915626
4 √n
59.046910849357
5 √n
26.119072163309
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
-12155944
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 12155945 can be divided by 4 positive divisors.
The sum of these divisors (counting 12155945) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110010111110000101001
3
Ternary
211212120211012
4
Quaternary
232113300221
5
Quinary
11102442240
6
Senary
1112313305
8
Octal
56276051
10
Decimal
12155945
12
Duodecimal
40a2835
16
Hexadecimal
b97c29
20
Vigesimal
3fj9h5
36
Base36
78jl5
md5
eb3e8bd27a21e502f29d9f1f3e6c785e
sha1
4d704618bcba02306d7a368f75824e8e023bafc4
sha256
5e8683c8d572d35da366f39d79fac8c03b7984cc1a659bf642b5f6aed5af3d6e
sha512
224d7009837e08144c83cd98ed8098654e8cb080b87c41f4cc0182703700c90d3d0c7ba69889e8f33f831a3891e2e22493090a2e2c32b2895dcb3366109b15c3
ripemd-160
df08755dc1bca977eac35ce359a8fa027f3df884
Diameter
24311890
Circumference
76378055.018883
Area
4.6422371800826E+14
Volume
7.5241039784052E+21
Surface area
1.856894872033E+15
Circumference
76378055.018883
Perimeter
48623780
Area
147766998843025
Diagonal
17191102.282461
Surface area
886601993058150
Volume
1.7962475107509E+21
Space diagonal
21054714.354013
Perimeter
36467835
Area
63984987419523
Altitude
10527357.177006
Surface area
63984987419523
Volume
2.116897992569E+20
Height
5730367.4274871