804915981 is an odd 9-digits composite number following 804915980
and preceding 804915982 . In scientific notation, it is written as 8.04915981 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 486257904 positive integers (up to 804915981) that are relatively prime to 804915981.
804915981 has 8 divisors, whose sum is 841561920
The reverse of 804915981 is 189519408
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
eight hundred four million nine hundred fifteen thousand nine hundred eighty-one
Scientific notation
8.04915981 × 10^8
Engineering notation
8.04915981 × 10^6
Prime Factorization
513 × 23 × 68219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
804915981
Product of the distinct prime numbers
The prime factorization of 804915981 is 513 × 23 × 68219.
Since it has a total of 3 prime factors.
1 , 10 , 3 , 37 , 788 , 672 , 296 , 628 , 33260 , 17536 , 308273 , 694888 , 1370792 , 9850685 , 29758755 , 43369718 , 389180077 , 690262437 , 5940211035 , 880778746
n×2
1609831962
n×3
2414747943
n×4
3219663924
n×5
4024579905
n÷2
402457990.5
n÷3
268305327
n÷3
201228995.25
n÷5
160983196.2
n2
647889736469192361
n3
5.2149680280993E+26
n4
4.1976111062212E+35
n5
3.3787242614205E+44
2 √n
28371.041239264
3 √n
930.21538195692
4 √n
168.4370542347
5 √n
60.415741491267
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
-804915980
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 804915981 can be divided by 8 positive divisors.
The sum of these divisors (counting 804915981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111110100000101100001101
3
Ternary
2002002120222011000
4
Quaternary
233332200230031
5
Quinary
3122024302411
6
Senary
211512050513
8
Octal
5776405415
10
Decimal
804915981
12
Duodecimal
1a5693a39
16
Hexadecimal
2ffa0b0d
20
Vigesimal
cbae9j1
36
Base36
db8559
md5
44c61625450f221b004d7c67ff50bfe8
sha1
5e4d0f1b8956d64ac9e3875324319c8035b1bab9
sha256
8d04d5f7edb73e83ccc4e7b42abe6b43ba9ccc46b51cd19351ae8869848fd364
sha512
5a91d8ee4e2be1f04338d9276e03cee3da12d670c94ad0c86cf973a3cd178d601f42b768d3c7109778efb92bdf3d5d08daf697bdb93cc0b2f0a0bae1f13b2247
ripemd-160
87fcae7e9b87076c0ca8ffb1e8e583bd7f5ffb26
Diameter
1609831962
Circumference
5057436265.3332
Area
2.0354056364278E+18
Volume
2.1844406994377E+27
Surface area
8.1416225457114E+18
Circumference
5057436265.3332
Perimeter
3219663924
Area
647889736469192361
Diagonal
1138323096.901
Surface area
3887338418815154166
Volume
5.2149680280993E+26
Space diagonal
1394155374.9161
Perimeter
2414747943
Area
2.8054448531676E+17
Altitude
697077687.45807
Surface area
2.8054448531676E+17
Volume
6.1458987605668E+25
Height
379441032.30035