2155669487 is an odd 10-digits composite number following 2155669486
and preceding 2155669488 . In scientific notation, it is written as 2.155669487 × 10^9.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 2124558720 positive integers (up to 2155669487) that are relatively prime to 2155669487.
2155669487 has 8 divisors, whose sum is 2186824320
The reverse of 2155669487 is 7849665512
Previous prime number is 1439
Is Prime? no Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
two billion one hundred fifty-five million six hundred sixty-nine thousand four hundred eighty-seven
Scientific notation
2.155669487 × 10^9
Engineering notation
2.155669487 × 10^9
Prime Factorization
73 × 1439 × 20521
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2155669487 Product of the distinct prime numbers
The prime factorization of 2155669487 is 73 × 1439 × 20521.
Since it has a total of 3 prime factors.
8 , 10 , 72 , 15 , 338 , 478 , 8315 , 2088 , 32171 , 31089 , 955186 , 268491 , 4253236 , 2398918 , 27410836 , 49244692 , 253993217 , 754382451 , 8572509816 , 1924930570
n×2
4311338974
n×3
6467008461
n×4
8622677948
n×5
10778347435
n÷2
1077834743.5
n÷3
718556495.66667
n÷3
538917371.75
n÷5
431133897.4
n2
4646910937182843169
n3
1.0017204116092E+28
n4
2.159378125811E+37
n5
4.6549055367059E+46
2 √n46429.187877886
3 √n1291.7963650011
4 √n215.47433229479
5 √n73.572656062603
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-2155669486 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155669487 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155669487) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011111001110011111101111
3
Ternary
12120020021100121122
4
Quaternary
2000133032133233
5
Quinary
13403322410422
6
Senary
553523251155
8
Octal
20037163757
10
Decimal
2155669487
12
Duodecimal
501b19abb
16
Hexadecimal
807ce7ef
20
Vigesimal
1ddcide7
36
Base36
znfh7z
md5
d12921ba56e987af7a06fe4f30291ce0
sha1
bba528398393a72cc27897c745e94c3fe4d1462b
sha256
18ea794b618d22f46bf97fb9d363cc6e10cadfc262d4f559294bd0bb394e2aed
sha512
e456498d20f9205f01ff43abbbe2e18e6b0c53c6e3e95b6b5e87f2dee630b55eceb12b812152848d77fd40c0a889c859ab6300e4c4fc964fd2eb5979ccecdf6b
ripemd-160
dbe1ba47367f47690995f1b9968edb860c4c3467
Diameter
4311338974
Circumference
13544470847.854
Area
1.459870126214E+19
Volume
4.1959966480831E+28
Surface area
5.8394805048559E+19
Circumference
13544470847.854
Perimeter
8622677948
Area
4646910937182843169
Diagonal
3048577024.5093
Surface area
2.7881465623097E+19
Volume
1.0017204116092E+28
Space diagonal
3733729075.8099
Perimeter
6467008461
Area
2.012171460362E+18
Altitude
1866864537.905
Surface area
2.012171460362E+18
Volume
1.180538826503E+27
Height
1016192341.5031