80821904 is an even 8-digits composite number following 80821903
and preceding 80821905 . In scientific notation, it is written as 8.0821904 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors.
There are 40410944 positive integers (up to 80821904) that are relatively prime to 80821904.
80821904 has 10 divisors, whose sum is 156592470
The reverse of 80821904 is 40912808
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty million eight hundred twenty-one thousand nine hundred four
Scientific notation
8.0821904 × 10^7
Engineering notation
8.0821904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5051369
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10102738
Product of the distinct prime numbers
The prime factorization of 80821904 is 2 × 2 × 2 × 2 × 5051369.
Since it has a total of 5 prime factors.
6 , 3 , 16 , 84 , 546 , 979 , 7569 , 9637 , 62761 , 42802 , 281282 , 505509 , 367478 , 1087459 , 50611652 , 59569930 , 384835672 , 400852222 , 9865086667 , 1716528603
n×2
161643808
n×3
242465712
n×4
323287616
n×5
404109520
n÷2
40410952
n÷3
26940634.666667
n÷3
20205476
n÷5
16164380.8
n2
6532180166185216
n3
5.2794323830213E+23
n4
4.2669377723504E+31
n5
3.4486203501087E+39
2 √n
8990.1003331442
3 √n
432.35752866875
4 √n
94.816139623717
5 √n
38.150990289264
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80821903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80821904 can be divided by 10 positive divisors.
The sum of these divisors (counting 80821904) is 1, the average is 0.1.
Base
System
Value
2
Binary
100110100010011111010010000
3
Ternary
12122002011210212
4
Quaternary
10310103322100
5
Quinary
131142300104
6
Senary
12004143252
8
Octal
464237220
10
Decimal
80821904
12
Duodecimal
23097b28
16
Hexadecimal
4d13e90
20
Vigesimal
1552ef4
36
Base36
1c4akw
md5
d8a01634d8a1af7d181d45b3ad67ba1a
sha1
3be642401360c14de8cd225290e1996d7155f30a
sha256
8a6fae593a7c464185ad95ef1b174ddb6968cbe22fcf5075a3a7644d6772363e
sha512
b979321f0baac684389556dd931edace6a0c04781ef7952da1c322f349c3dd71d1d53c1d26178b59677d1d17c8c140e1a50e07cd6974e7e139a24ea08d142ba3
ripemd-160
0bec91b9872527d231d0fd26cf0a01935367781e
Diameter
161643808
Circumference
507818999.71108
Area
2.0521449222012E+16
Volume
2.2114434652832E+24
Surface area
8.208579688805E+16
Circumference
507818999.71108
Perimeter
323287616
Area
6532180166185216
Diagonal
114299432.77362
Surface area
39193080997111296
Volume
5.2794323830213E+23
Space diagonal
139987644.09245
Perimeter
242465712
Area
2.8285169830066E+15
Altitude
69993822.046227
Surface area
2.8285169830066E+15
Volume
6.221870731417E+22
Height
38099810.924539