804901981 is an odd 9-digits composite number following 804901980
and preceding 804901982 . In scientific notation, it is written as 8.04901981 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 742986432 positive integers (up to 804901981) that are relatively prime to 804901981.
804901981 has 4 divisors, whose sum is 866817532
The reverse of 804901981 is 189109408
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
eight hundred four million nine hundred one thousand nine hundred eighty-one
Scientific notation
8.04901981 × 10^8
Engineering notation
8.04901981 × 10^6
Prime Factorization
13 × 61915537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
804901981
Product of the distinct prime numbers
The prime factorization of 804901981 is 13 × 61915537.
Since it has a total of 2 prime factors.
7 , 5 , 47 , 79 , 443 , 395 , 156 , 9259 , 47256 , 34125 , 839510 , 619862 , 7017547 , 778525 , 73949746 , 83659512 , 575737208 , 530571280 , 8965408009 , 5360844868
n×2
1609803962
n×3
2414705943
n×4
3219607924
n×5
4024509905
n÷2
402450990.5
n÷3
268300660.33333
n÷3
201225495.25
n÷5
160980396.2
n2
647867199017724361
n3
5.2146959191429E+26
n4
4.1973190756307E+35
n5
3.3784304388643E+44
2 √n
28370.794507733
3 √n
930.20998880982
4 √n
168.43632181846
5 √n
60.415531326161
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-804901980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 804901981 can be divided by 4 positive divisors.
The sum of these divisors (counting 804901981) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111111110011101010001011101
3
Ternary
2002002120020221111
4
Quaternary
233332131101131
5
Quinary
3122023330411
6
Senary
211511502021
8
Octal
5776352135
10
Decimal
804901981
12
Duodecimal
1a5687911
16
Hexadecimal
2ff9d45d
20
Vigesimal
cbacej1
36
Base36
db7ucd
md5
0c505c0e5155baaec28b55ee4198f842
sha1
4f04cb1a7cc31d2ed6940d86645203fdd11d576a
sha256
03f3f50f83a334924e32476f912159fe4884e6104f2c87fdf933bb00e6c6a2be
sha512
f3f30ded43c15325327534bcbb1b8db47eccda9e3d26531c15bc329ebf56c61c26d6af46c7a8b426ecbefe7dc7f223fa0264b22ec514e7051073d471c495485c
ripemd-160
18310d653364ec9c71161bd68bd6c64ee605189d
Diameter
1609803962
Circumference
5057348300.7389
Area
2.0353348329359E+18
Volume
2.1843267187045E+27
Surface area
8.1413393317435E+18
Circumference
5057348300.7389
Perimeter
3219607924
Area
647867199017724361
Diagonal
1138303297.9112
Surface area
3887203194106346166
Volume
5.2146959191429E+26
Space diagonal
1394131126.2048
Perimeter
2414705943
Area
2.8053472631401E+17
Altitude
697065563.10242
Surface area
2.8053472631401E+17
Volume
6.1455780770862E+25
Height
379434432.63706