2155185761 is an odd 10-digits composite number following 2155185760
and preceding 2155185762 . In scientific notation, it is written as 2.155185761 × 10^9.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 2004061440 positive integers (up to 2155185761) that are relatively prime to 2155185761.
2155185761 has 16 divisors, whose sum is 2309472000
The reverse of 2155185761 is 1675815512
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion one hundred fifty-five million one hundred eighty-five thousand seven hundred sixty-one
Scientific notation
2.155185761 × 10^9
Engineering notation
2.155185761 × 10^9
Prime Factorization
17 × 107 × 431 × 2749
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2155185761
Product of the distinct prime numbers
The prime factorization of 2155185761 is 17 × 107 × 431 × 2749.
Since it has a total of 4 prime factors.
3 , 2 , 49 , 65 , 585 , 619 , 9808 , 8826 , 80326 , 62101 , 722700 , 500992 , 2796320 , 8813541 , 71938789 , 78935797 , 38335004 , 446487191 , 9091702639 , 3655892973
n×2
4310371522
n×3
6465557283
n×4
8620743044
n×5
10775928805
n÷2
1077592880.5
n÷3
718395253.66667
n÷3
538796440.25
n÷5
431037152.2
n2
4644825664417149121
n3
1.0010462134279E+28
n4
2.1574405452828E+37
n5
4.6496851433976E+46
2 √n
46423.978297858
3 √n
1291.6997326496
4 √n
215.46224332318
5 √n
73.56935386793
1 , 17 , 107 , 431 , 1819 , 2749 , 7327 , 46117 , 46733 , 294143 , 783989 , 1184819 , 5000431 , 20141923 , 126775633 , 2155185761
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155185760
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155185761 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155185761) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000000011101011000011001100001
3
Ternary
12120012100210001212
4
Quaternary
2000131120121201
5
Quinary
13403211421021
6
Senary
553505035505
8
Octal
20035303141
10
Decimal
2155185761
12
Duodecimal
501925b95
16
Hexadecimal
80758661
20
Vigesimal
1dd9i481
36
Base36
zn53z5
md5
50349712ceb5b3c2209ff80ca617cd6b
sha1
649b1ccd5797c422478e3997e8e1c2da7844556b
sha256
9e9c383b45e6897aef16670444ba07f98fc32badb0084123b75ec405c772f44a
sha512
afa5f8e5897d1f711eaab4f373f774c318668ac5b52a9ead3f0f8ec433ce1f99cbe5a209e702df9747aeb2fd64b9cb18eb0cc1edeef9e57c4bbd8a5df47b6f6a
ripemd-160
c3e457fbe4de5e4a5f63dff2eebe86d2f3952cba
Diameter
4310371522
Circumference
13541431507.758
Area
1.4592150184538E+19
Volume
4.1931725733454E+28
Surface area
5.8368600738153E+19
Circumference
13541431507.758
Perimeter
8620743044
Area
4644825664417149121
Diagonal
3047892932.6396
Surface area
2.7868953986503E+19
Volume
1.0010462134279E+28
Space diagonal
3732891237.801
Perimeter
6465557283
Area
2.0112685107676E+18
Altitude
1866445618.9005
Surface area
2.0112685107676E+18
Volume
1.1797442763267E+27
Height
1015964310.8799