2154707987 is an odd 10-digits composite number following 2154707986
and preceding 2154707988 . In scientific notation, it is written as 2.154707987 × 10^9.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 2095595712 positive integers (up to 2154707987) that are relatively prime to 2154707987.
2154707987 has 8 divisors, whose sum is 2213869056
The reverse of 2154707987 is 7897074512
Previous prime number is 2687
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
two billion one hundred fifty-four million seven hundred seven thousand nine hundred eighty-seven
Scientific notation
2.154707987 × 10^9
Engineering notation
2.154707987 × 10^9
Prime Factorization
37 × 2687 × 21673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2154707987
Product of the distinct prime numbers
The prime factorization of 2154707987 is 37 × 2687 × 21673.
Since it has a total of 3 prime factors.
7 , 10 , 15 , 99 , 769 , 960 , 5907 , 2805 , 50821 , 75463 , 546945 , 934408 , 2169544 , 7751176 , 993638 , 45418136 , 255236633 , 104460065 , 7682325649 , 1958195872
n×2
4309415974
n×3
6464123961
n×4
8618831948
n×5
10773539935
n÷2
1077353993.5
n÷3
718235995.66667
n÷3
538676996.75
n÷5
430941597.4
n2
4642766509241592169
n3
1.0003806079239E+28
n4
2.1555280859335E+37
n5
4.6445335829638E+46
2 √n
46418.832245114
3 √n
1291.6042751151
4 √n
215.4503011024
5 √n
73.566091722979
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
-2154707986
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 2154707987 can be divided by 8 positive divisors.
The sum of these divisors (counting 2154707987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011011100011110000010011
3
Ternary
12120011110111200112
4
Quaternary
2000123203300103
5
Quinary
13403101123422
6
Senary
553450511535
8
Octal
20033436023
10
Decimal
2154707987
12
Duodecimal
5017355ab
16
Hexadecimal
806e3c13
20
Vigesimal
1dd6i9j7
36
Base36
zmuvbn
md5
3c210caa75c0a378c34359c6a88374cf
sha1
74533e3726f268d7b75fc281fb3c6357b63a586e
sha256
bbf38a0d84dcfb6761f14f2c3750f897b1524e4ed3b5663fb9166a55fc5e06f2
sha512
643fad3d28fdcdec4bf37317b89ff8c883ee09799805dbcb5d1a064ca0a6d45d38698e27eef7139c552b4b1b677d2d81041d207e36a541723453cdc59587e84f
ripemd-160
bd6d4556a48da955883c6394d9c484c68b010edd
Diameter
4309415974
Circumference
13538429565.181
Area
1.4585681157766E+19
Volume
4.1903844915299E+28
Surface area
5.8342724631064E+19
Circumference
13538429565.181
Perimeter
8618831948
Area
4642766509241592169
Diagonal
3047217258.169
Surface area
2.785659905545E+19
Volume
1.0003806079239E+28
Space diagonal
3732063708.9585
Perimeter
6464123961
Area
2.0103768704214E+18
Altitude
1866031854.4792
Surface area
2.0103768704214E+18
Volume
1.1789598527175E+27
Height
1015739086.0563