21307768 is an even 8-digits composite number following 21307767
and preceding 21307769 . In scientific notation, it is written as 2.1307768 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 10548000 positive integers (up to 21307768) that are relatively prime to 21307768.
21307768 has 16 divisors, whose sum is 40349160
The reverse of 21307768 is 86770312
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred seven thousand seven hundred sixty-eight
Scientific notation
2.1307768 × 10^7
Engineering notation
2.1307768 × 10^6
Prime Factorization
2 × 2 × 2 × 101 × 26371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5326942
Product of the distinct prime numbers
The prime factorization of 21307768 is 2 × 2 × 2 × 101 × 26371.
Since it has a total of 5 prime factors.
10 , 10 , 99 , 36 , 91 , 714 , 7457 , 8981 , 37335 , 70542 , 44672 , 231846 , 1890877 , 2330459 , 80784443 , 56781097 , 501778028 , 743460460 , 7553216902 , 5546603092
n×2
42615536
n×3
63923304
n×4
85231072
n×5
106538840
n÷2
10653884
n÷3
7102589.3333333
n÷3
5326942
n÷5
4261553.6
n2
454020977141824
n3
9.6741736480713E+21
n4
2.0613504768482E+29
n5
4.392277772737E+36
2 √n
4616.0337953702
3 √n
277.23367788013
4 √n
67.941399716007
5 √n
29.2218422471
1 , 2 , 4 , 8 , 101 , 202 , 404 , 808 , 26371 , 52742 , 105484 , 210968 , 2663471 , 5326942 , 10653884 , 21307768
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
-21307767
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 21307768 can be divided by 16 positive divisors.
The sum of these divisors (counting 21307768) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010010000101111000
3
Ternary
1111002112202121
4
Quaternary
1101102011320
5
Quinary
20423322033
6
Senary
2040411024
8
Octal
121220570
10
Decimal
21307768
12
Duodecimal
7176a74
16
Hexadecimal
1452178
20
Vigesimal
6d3988
36
Base36
cop6g
md5
6ae4ca9ea17c490cf9c68f79dffaae3f
sha1
844396f22565f74bab4700ef9474bd4439b6addb
sha256
9d5394dab28e36c06ea14d1dc3f73cf01859cb68805a7ffeb67daf565fc1aba7
sha512
e50a55329cf049648417f77589fa79e80b710f0cec3c58f1232c55649f36cb5399e07f59f22a35ee4ab59c693e474ee8aa4a0e3cc0e7c6688cbefcfa6e61999b
ripemd-160
3030b64dd0d166fae59b3b2ee06a967780f550d1
Diameter
42615536
Circumference
133880654.82639
Area
1.4263489663644E+15
Volume
4.0523083816444E+22
Surface area
5.7053958654577E+15
Circumference
133880654.82639
Perimeter
85231072
Area
454020977141824
Diagonal
30133734.489499
Surface area
2724125862850944
Volume
9.6741736480713E+21
Space diagonal
36906136.77189
Perimeter
63923304
Area
1.9659685002793E+14
Altitude
18453068.385945
Surface area
1.9659685002793E+14
Volume
1.1401122981546E+21
Height
10044578.163166