2155336985 is an odd 10-digits composite number following 2155336984
and preceding 2155336986 . In scientific notation, it is written as 2.155336985 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 1664811904 positive integers (up to 2155336985) that are relatively prime to 2155336985.
2155336985 has 8 divisors, whose sum is 2675590920
The reverse of 2155336985 is 5896335512
Previous prime number is 29
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
two billion one hundred fifty-five million three hundred thirty-six thousand nine hundred eighty-five
Scientific notation
2.155336985 × 10^9
Engineering notation
2.155336985 × 10^9
Prime Factorization
5 × 29 × 14864393
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2155336985 Product of the distinct prime numbers
The prime factorization of 2155336985 is 5 × 29 × 14864393.
Since it has a total of 3 prime factors.
8 , 3 , 23 , 69 , 670 , 82 , 7045 , 4191 , 3535 , 37645 , 185650 , 3008 , 9278464 , 4416807 , 63578314 , 45138132 , 858783645 , 855003845 , 3406845550 , 3567355600
n×2
4310673970
n×3
6466010955
n×4
8621347940
n×5
10776684925
n÷2
1077668492.5
n÷3
718445661.66667
n÷3
538834246.25
n÷5
431067397
n2
4645477518908890225
n3
1.001256950949E+28
n4
2.1580461378688E+37
n5
4.651316656285E+46
2 √n46425.60699657
3 √n1291.729943724
4 √n215.46602283555
5 √n73.570386274503
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
-2155336984 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 2155336985 can be divided by 8 positive divisors.
The sum of these divisors (counting 2155336985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011101111101010100011001
3
Ternary
12120012122110111202
4
Quaternary
2000131331110121
5
Quinary
13403231240420
6
Senary
553512203545
8
Octal
20035752431
10
Decimal
2155336985
12
Duodecimal
5019995b5
16
Hexadecimal
8077d519
20
Vigesimal
1ddah295
36
Base36
zn8cnt
md5
a4567189da1d474ac0b0e1c3e4a90c2a
sha1
98b16ad15571284cc70f57956f1ea6e3a6ed711d
sha256
c7cb3295759515b1bba2fdcaa92044a09feebf682249158aef97e4fe1c9d5040
sha512
66c5a81a548db075af5b65ce4bb95ca73c75a1a47a915b03422a75342ddce0cdeabbc9084924013cd3e40b63ebf4e5c38fea59d720d9d53ac171f4932fb62873
ripemd-160
d8e70c7afd4d751bd32539de6127394321aef495
Diameter
4310673970
Circumference
13542381676.173
Area
1.4594198045821E+19
Volume
4.1940553086096E+28
Surface area
5.8376792183283E+19
Circumference
13542381676.173
Perimeter
8621347940
Area
4645477518908890225
Diagonal
3048106795.6713
Surface area
2.7872865113453E+19
Volume
1.001256950949E+28
Space diagonal
3733153165.4523
Perimeter
6466010955
Area
2.0115507720423E+18
Altitude
1866576582.7262
Surface area
2.0115507720423E+18
Volume
1.1799926328771E+27
Height
1016035598.5571