2155686039 is an odd 10-digits composite number following 2155686038
and preceding 2155686040 . In scientific notation, it is written as 2.155686039 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 1326575952 positive integers (up to 2155686039) that are relatively prime to 2155686039.
2155686039 has 12 divisors, whose sum is 3353289576
The reverse of 2155686039 is 9306865512
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
two billion one hundred fifty-five million six hundred eighty-six thousand thirty-nine
Scientific notation
2.155686039 × 10^9
Engineering notation
2.155686039 × 10^9
Prime Factorization
3 × 3 × 13 × 18424667
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
718562013
Product of the distinct prime numbers
The prime factorization of 2155686039 is 3 × 3 × 13 × 18424667.
Since it has a total of 4 prime factors.
5 , 9 , 56 , 78 , 333 , 999 , 9234 , 6248 , 84493 , 2851 , 733380 , 270771 , 3122940 , 2178583 , 27755764 , 76754165 , 418543994 , 95509306 , 3064902282 , 7784808497
n×2
4311372078
n×3
6467058117
n×4
8622744156
n×5
10778430195
n÷2
1077843019.5
n÷3
718562013
n÷3
538921509.75
n÷5
431137207.8
n2
4646982298739509521
n3
1.0017434864873E+28
n4
2.1594444484798E+37
n5
4.655084249584E+46
2 √n
46429.366127484
3 √n
1291.7996712839
4 √n
215.47474591581
5 √n
73.572769045681
1 , 3 , 9 , 13 , 39 , 117 , 18424667 , 55274001 , 165822003 , 239520671 , 718562013 , 2155686039
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155686038
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155686039 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155686039) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000000011111010010100010010111
3
Ternary
12120020022012022200
4
Quaternary
2000133102202113
5
Quinary
13403323423124
6
Senary
553523455543
8
Octal
20037224227
10
Decimal
2155686039
12
Duodecimal
501b275b3
16
Hexadecimal
807d2897
20
Vigesimal
1ddd0f1j
36
Base36
znftzr
md5
c22b63e4ad72958d3f5abdd7a7072a88
sha1
0905e9873ec968df82dafb73de0efb6926226f04
sha256
faa245c1ee6bb9f0bba922488bdfe14fcd8ebb725da6bb52e9f44219a586e84c
sha512
ad4c6caef0d10bcc42f8592a7ca2259644813404e55602af2e540307a93d531085c2fbbc545788db8e06033f1cc6c63d6896ac61df00724dedeec36e2d182c44
ripemd-160
2321ff382f286cb03f95d123dfd60d25db104ca4
Diameter
4311372078
Circumference
13544574847.137
Area
1.4598925451082E+19
Volume
4.1960933039065E+28
Surface area
5.8395701804327E+19
Circumference
13544574847.137
Perimeter
8622744156
Area
4646982298739509521
Diagonal
3048600432.5721
Surface area
2.7881893792437E+19
Volume
1.0017434864873E+28
Space diagonal
3733757744.7149
Perimeter
6467058117
Area
2.0122023608225E+18
Altitude
1866878872.3575
Surface area
2.0122023608225E+18
Volume
1.1805660205077E+27
Height
1016200144.1907