2788341921 is an odd 10-digits composite number following 2788341920
and preceding 2788341922 . In scientific notation, it is written as 2.788341921 × 10^9.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 1731483648 positive integers (up to 2788341921) that are relatively prime to 2788341921.
2788341921 has 16 divisors, whose sum is 3093322176
The reverse of 2788341921 is 1291438872
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
two billion seven hundred eighty-eight million three hundred forty-one thousand nine hundred twenty-one
Scientific notation
2.788341921 × 10^9
Engineering notation
2.788341921 × 10^9
Prime Factorization
27 × 17 × 97 × 62627
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2788341921
Product of the distinct prime numbers
The prime factorization of 2788341921 is 27 × 17 × 97 × 62627.
Since it has a total of 4 prime factors.
5 , 5 , 24 , 54 , 880 , 426 , 2755 , 7652 , 16225 , 95684 , 146903 , 522716 , 9368549 , 8706435 , 29089142 , 10836311 , 72493815 , 209289187 , 9601378771 , 7201030048
n×2
5576683842
n×3
8365025763
n×4
11153367684
n×5
13941709605
n÷2
1394170960.5
n÷3
929447307
n÷3
697085480.25
n÷5
557668384.2
n2
7774850668405970241
n3
2.1678942048231E+28
n4
6.0448302916013E+37
n5
1.6855053707402E+47
2 √n
52804.752825858
3 √n
1407.5008832194
4 √n
229.7928476386
5 √n
77.458521955471
1 , 17 , 27 , 97 , 459 , 1649 , 2619 , 44523 , 62627 , 1064659 , 1690929 , 6074819 , 28745793 , 103271923 , 164020113 , 2788341921
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2788341920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2788341921 can be divided by 16 positive divisors.
The sum of these divisors (counting 2788341921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10100110001100101011100010100001
3
Ternary
21012022202110001000
4
Quaternary
2212030223202201
5
Quinary
21202303420141
6
Senary
1140403502213
8
Octal
24614534241
10
Decimal
2788341921
12
Duodecimal
659987969
16
Hexadecimal
a632b8a1
20
Vigesimal
23b72eg1
36
Base36
1a43ue9
md5
f8b3abb3f9d96e56951781b554296dab
sha1
7117821edb7a5ec197a8d09b2cbf2ad1eb8334ec
sha256
04d146f342841a3dcf32fb4ac979e76170ef1decb867286f87a88ddfc660e887
sha512
e65d0d9bb76602db80afcd04a29bee8833a399e122ea75a83312d3328a532c25c7afd31c6b76d5ce2349efeafdc5df1f33f71a89dbb0fd4c90eb74b2ca45c853
ripemd-160
3511f4603718a4bb54e3da9af3c738dbe766fd38
Diameter
5576683842
Circumference
17519668989.42
Area
2.4425413742622E+19
Volume
9.0808540101763E+28
Surface area
9.7701654970488E+19
Circumference
17519668989.42
Perimeter
11153367684
Area
7774850668405970241
Diagonal
3943310961.2116
Surface area
4.6649104010436E+19
Volume
2.1678942048231E+28
Space diagonal
4829549876.0462
Perimeter
8365025763
Area
3.366609094735E+18
Altitude
2414774938.0231
Surface area
3.366609094735E+18
Volume
2.5548878218757E+27
Height
1314436987.0705