2154641749 is an odd 10-digits composite number following 2154641748
and preceding 2154641750 . In scientific notation, it is written as 2.154641749 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1988507136 positive integers (up to 2154641749) that are relatively prime to 2154641749.
2154641749 has 8 divisors, whose sum is 2320841880
The reverse of 2154641749 is 9471464512
Previous prime number is 6257
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
two billion one hundred fifty-four million six hundred forty-one thousand seven hundred forty-nine
Scientific notation
2.154641749 × 10^9
Engineering notation
2.154641749 × 10^9
Prime Factorization
13 × 6257 × 26489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2154641749
Product of the distinct prime numbers
The prime factorization of 2154641749 is 13 × 6257 × 26489.
Since it has a total of 3 prime factors.
3 , 10 , 66 , 2 , 620 , 69 , 3182 , 6865 , 54047 , 96563 , 143132 , 663637 , 8789193 , 8784692 , 44283738 , 27572989 , 812479833 , 195779092 , 2905313378 , 6818345165
n×2
4309283498
n×3
6463925247
n×4
8618566996
n×5
10773208745
n÷2
1077320874.5
n÷3
718213916.33333
n÷3
538660437.25
n÷5
430928349.8
n2
4642481066533779001
n3
1.0002883524896E+28
n4
2.1552630453125E+37
n5
4.6438197375071E+46
2 √n
46418.118757658
3 √n
1291.5910398862
4 √n
215.44864529084
5 √n
73.56563941754
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
-2154641748
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 2154641749 can be divided by 8 positive divisors.
The sum of these divisors (counting 2154641749) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000011011010011100101010101
3
Ternary
12120011100010211021
4
Quaternary
2000123103211111
5
Quinary
13403042013444
6
Senary
553445241141
8
Octal
20033234525
10
Decimal
2154641749
12
Duodecimal
5017031b1
16
Hexadecimal
806d3955
20
Vigesimal
1dd6a479
36
Base36
zmtg7p
md5
b107da3f712e48e3507dbc1d8bc583cb
sha1
98437a04574cb517d48cfc4b04ff5570c43f4530
sha256
bb7e39ed321516d40646bd9801d399bd10806ebb69556e4b082bd07f400e8484
sha512
e7709c2f2a14a78ae4509a0d4f9200cb4414c9fbd8bd3311d21a2ce8a309de4736d26b1232db7844a436984b92f10e814a08ba9769001d50dbd3f3c3b707f774
ripemd-160
dcb4bdf8926219fb075617caaa1df49d4580dee1
Diameter
4309283498
Circumference
13538013379.553
Area
1.4584784413052E+19
Volume
4.1899980528702E+28
Surface area
5.8339137652209E+19
Circumference
13538013379.553
Perimeter
8618566996
Area
4642481066533779001
Diagonal
3047123583.4911
Surface area
2.7854886399203E+19
Volume
1.0002883524896E+28
Space diagonal
3731948981.3771
Perimeter
6463925247
Area
2.0102532701033E+18
Altitude
1865974490.6885
Surface area
2.0102532701033E+18
Volume
1.1788511286455E+27
Height
1015707861.1637