2155385071 is an odd 10-digits composite number following 2155385070
and preceding 2155385072 . In scientific notation, it is written as 2.155385071 × 10^9.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1847472912 positive integers (up to 2155385071) that are relatively prime to 2155385071.
2155385071 has 4 divisors, whose sum is 2463297232
The reverse of 2155385071 is 1705835512
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
two billion one hundred fifty-five million three hundred eighty-five thousand seventy-one
Scientific notation
2.155385071 × 10^9
Engineering notation
2.155385071 × 10^9
Prime Factorization
7 × 307912153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2155385071
Product of the distinct prime numbers
The prime factorization of 2155385071 is 7 × 307912153.
Since it has a total of 2 prime factors.
2 , 5 , 97 , 63 , 610 , 486 , 3039 , 5395 , 22704 , 54085 , 877047 , 551054 , 3521887 , 8827282 , 9709096 , 60798701 , 2230104 , 66757924 , 4083238601 , 6823188829
n×2
4310770142
n×3
6466155213
n×4
8621540284
n×5
10776925355
n÷2
1077692535.5
n÷3
718461690.33333
n÷3
538846267.75
n÷5
431077014.2
n2
4645684804289675041
n3
1.0013239671738E+28
n4
2.1582387300808E+37
n5
4.6518355384702E+46
2 √n
46426.124875979
3 √n
1291.7395499039
4 √n
215.46722459803
5 √n
73.570714545585
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
-2155385070
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 2155385071 can be divided by 4 positive divisors.
The sum of these divisors (counting 2155385071) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000000011110001001000011101111
3
Ternary
12120012201220110201
4
Quaternary
2000132021003233
5
Quinary
13403234310241
6
Senary
553513214331
8
Octal
20036110357
10
Decimal
2155385071
12
Duodecimal
501a013a7
16
Hexadecimal
807890ef
20
Vigesimal
1ddb32db
36
Base36
zn9drj
md5
b68eceddc616379793bb24d886f9da79
sha1
560c7e4426d495fffff7685fcf79e26398f8232b
sha256
74efbfb37c921016ee173706edda63bc11e2f0322eebb0f651b9fc712a97a665
sha512
23f13841fc448be951256faaa9a160cb2a7e8b0c3488ee0fe9524dce81970062e118c6718f8f73b6c2229fbcfc2d2c59a4fa1ac348463956c1be37a965d3b470
ripemd-160
340e03439796739ddeb7a2bc4dd9314b02efe114
Diameter
4310770142
Circumference
13542683809.421
Area
1.459484925205E+19
Volume
4.1943360255153E+28
Surface area
5.8379397008201E+19
Circumference
13542683809.421
Perimeter
8621540284
Area
4645684804289675041
Diagonal
3048174799.5447
Surface area
2.7874108825738E+19
Volume
1.0013239671738E+28
Space diagonal
3733236452.8475
Perimeter
6466155213
Area
2.0116405292451E+18
Altitude
1866618226.4237
Surface area
2.0116405292451E+18
Volume
1.1800716122553E+27
Height
1016058266.5149