891243690 is an even 9-digits composite number following 891243689
and preceding 891243691 . In scientific notation, it is written as 8.91243690 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 237664976 positive integers (up to 891243690) that are relatively prime to 891243690.
891243690 has 16 divisors, whose sum is 2138984928
The reverse of 891243690 is 096342198
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
eight hundred ninety-one million two hundred forty-three thousand six hundred ninety
Scientific notation
8.91243690 × 10^8
Engineering notation
8.91243690 × 10^6
Prime Factorization
2 × 3 × 5 × 29708123
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
891243690 Product of the distinct prime numbers
The prime factorization of 891243690 is 2 × 3 × 5 × 29708123.
Since it has a total of 4 prime factors.
2 , 10 , 32 , 95 , 314 , 996 , 6005 , 8762 , 96898 , 12015 , 181096 , 383746 , 9792543 , 1508143 , 87957983 , 60442688 , 854959788 , 738106680 , 2468924379 , 5004847864
n×2
1782487380
n×3
2673731070
n×4
3564974760
n×5
4456218450
n÷2
445621845
n÷3
297081230
n÷3
222810922.5
n÷5
178248738
n2
794315314964816100
n3
7.0792851233275E+26
n4
6.3093681958766E+35
n5
5.6231845924617E+44
2 √n29853.704795218
3 √n962.34801760609
4 √n172.78224675938
5 √n61.659399896154
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 29708123 , 59416246 , 89124369 , 148540615 , 178248738 , 297081230 , 445621845 , 891243690
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
-891243689 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 891243690 can be divided by 16 positive divisors.
The sum of these divisors (counting 891243690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110101000111110100110010101010
3
Ternary
2022010000212111120
4
Quaternary
311013310302222
5
Quinary
3311124244230
6
Senary
224234240110
8
Octal
6507646252
10
Decimal
891243690
12
Duodecimal
20a586036
16
Hexadecimal
351f4caa
20
Vigesimal
dia594a
36
Base36
eqmg16
md5
5695894c1d1e1eb28a4befcad8153dd5
sha1
dc9b07c7065b14b69737c5363cd1fa5b703de4c6
sha256
8d8ec5a9b88d9386bc45e2981b688631cf714193e4ead742e3f8c18a4899d3dc
sha512
bf70ea468fa7f8f029164c5ca9b1b2604628bce5d8ff7e9d7c507c0075673f9cf8bff0e976dc3d8245d985dcbf8a4a4c42318424e37afd818edeb4d1ad8760a8
ripemd-160
b0c7d8faabd38320373bf35bcbbb70055e28c1a2
Diameter
1782487380
Circumference
5599849258.1245
Area
2.4954151581273E+18
Volume
2.9653640181484E+27
Surface area
9.9816606325093E+18
Circumference
5599849258.1245
Perimeter
3564974760
Area
794315314964816100
Diagonal
1260408913.7774
Surface area
4765891889788896600
Volume
7.0792851233275E+26
Space diagonal
1543679353.0052
Perimeter
2673731070
Area
3.4394862068728E+17
Altitude
771839676.50258
Surface area
3.4394862068728E+17
Volume
8.3430175277633E+25
Height
420136304.59248