80491821 is an odd 8-digits composite number following 80491820
and preceding 80491822 . In scientific notation, it is written as 8.0491821 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 50054144 positive integers (up to 80491821) that are relatively prime to 80491821.
80491821 has 8 divisors, whose sum is 107385984
The reverse of 80491821 is 12819408
Previous prime number is 1921
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty million four hundred ninety-one thousand eight hundred twenty-one
Scientific notation
8.0491821 × 10^7
Engineering notation
8.0491821 × 10^6
Prime Factorization
3 × 1921 × 13967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80491821
Product of the distinct prime numbers
The prime factorization of 80491821 is 3 × 1921 × 13967.
Since it has a total of 3 prime factors.
6 , 8 , 33 , 63 , 732 , 98 , 5998 , 9514 , 98954 , 75891 , 455802 , 144150 , 5194524 , 2366777 , 59583049 , 1437521 , 241070138 , 635973255 , 8443443724 , 6182801634
n×2
160983642
n×3
241475463
n×4
321967284
n×5
402459105
n÷2
40245910.5
n÷3
26830607
n÷3
20122955.25
n÷5
16098364.2
n2
6478933247896041
n3
5.215011352606E+23
n4
4.1976576030693E+31
n5
3.3787710440554E+39
2 √n
8971.723413035
3 √n
431.76813152941
4 √n
94.719181864261
5 √n
38.119776928607
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
-80491820
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 80491821 can be divided by 8 positive divisors.
The sum of these divisors (counting 80491821) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110011000011010100101101
3
Ternary
12121110102000120
4
Quaternary
10303003110231
5
Quinary
131101214241
6
Senary
11553115153
8
Octal
463032455
10
Decimal
80491821
12
Duodecimal
22b58ab9
16
Hexadecimal
4cc352d
20
Vigesimal
15319b1
36
Base36
1bx7vx
md5
fb16436a92191ef9d181925267f5f9c8
sha1
ce80a7adfd94a57e9e2de64ab0c397e8b1c5b333
sha256
1f17f28f45d74e4073c9452cf12ad9f710a423334075fab2f97051e02790bcd0
sha512
74ff405e337ac288c1332ed915eac191ed53b404041e8a644c57f44e78d8ce7105f5d827f66ade98388135c6a0e3f88d755a9cf8385efa3dd1429b76571cf50a
ripemd-160
b3e574d9c04a5ce02c8c34de967b4d17de62f852
Diameter
160983642
Circumference
505745027.05533
Area
2.0354169094689E+16
Volume
2.1844588471646E+24
Surface area
8.1416676378755E+16
Circumference
505745027.05533
Perimeter
321967284
Area
6478933247896041
Diagonal
113832624.91831
Surface area
38873599487376246
Volume
5.215011352606E+23
Space diagonal
139415923.56574
Perimeter
241475463
Area
2.8054603910508E+15
Altitude
69707961.78287
Surface area
2.8054603910508E+15
Volume
6.1459498189875E+22
Height
37944208.306103