2155409857 is an odd 10-digits prime number following 2155409856
and preceding 2155409858 . In scientific notation, it is written as 2.155409857 × 10^9.
The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors.
There are 2155409856 positive integers (up to 2155409857) that are relatively prime to 2155409857.
2155409857 has 2 divisors, whose sum is 2155409858
The reverse of 2155409857 is 7589045512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
two billion one hundred fifty-five million four hundred nine thousand eight hundred fifty-seven
Scientific notation
2.155409857 × 10^9
Engineering notation
2.155409857 × 10^9
Prime Factorization
2155409857
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
2155409857
Product of the distinct prime numbers
The prime factorization of 2155409857 is 2155409857.
Since it has a total of 1 prime factors.
4 , 3 , 77 , 6 , 76 , 563 , 4511 , 1920 , 48018 , 92578 , 139716 , 181008 , 6940227 , 5366253 , 28522702 , 38856866 , 269311710 , 954842841 , 1459819088 , 3992291282
n×2
4310819714
n×3
6466229571
n×4
8621639428
n×5
10777049285
n÷2
1077704928.5
n÷3
718469952.33333
n÷3
538852464.25
n÷5
431081971.4
n2
4645791651652760449
n3
1.0013585119541E+28
n4
2.1583380070566E+37
n5
4.6521030151476E+46
2 √n
46426.391815432
3 √n
1291.7445013677
4 √n
215.46784404043
5 √n
73.570883751113
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
2155409858
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
1077704929
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
46426.391826202
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999990721
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155409857 can be divided by 2 positive divisors.
The sum of these divisors (counting 2155409857) is 2155409858, the average is 1077704929.
Base
System
Value
2
Binary
10000000011110001111000111000001
3
Ternary
12120012210011110201
4
Quaternary
2000132033013001
5
Quinary
13403241103412
6
Senary
553513525201
8
Octal
20036170701
10
Decimal
2155409857
12
Duodecimal
501a13801
16
Hexadecimal
8078f1c1
20
Vigesimal
1ddb64ch
36
Base36
zn9ww1
md5
1cddc4b7150ed820973b8a6c2bf2ce5b
sha1
e562749424b7037ac317c6a55f81a1e71b558522
sha256
d04b2cb2f61f49655fbaa6af14d518630656b0919d44dbe34e98e8efdc445379
sha512
f939f1f9d74991cb43e2f60d177078d737c64caebc8a3a9dc32f9dabbeb3d0a54ce19f38d8782982f9a9323d648824c31d5dccfb8213b0f3a4471bcb856d896e
ripemd-160
c156b649b2c4c410c4522533e79cb8f413980657
Diameter
4310819714
Circumference
13542839544.452
Area
1.4595184922941E+19
Volume
4.1944807263527E+28
Surface area
5.8380739691764E+19
Circumference
13542839544.452
Perimeter
8621639428
Area
4645791651652760449
Diagonal
3048209852.2421
Surface area
2.7874749909917E+19
Volume
1.0013585119541E+28
Space diagonal
3733279383.4588
Perimeter
6466229571
Area
2.0116867955105E+18
Altitude
1866639691.7294
Surface area
2.0116867955105E+18
Volume
1.1801123236693E+27
Height
1016069950.7474