80661640 is an even 8-digits composite number following 80661639
and preceding 80661641 . In scientific notation, it is written as 8.0661640 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 32264640 positive integers (up to 80661640) that are relatively prime to 80661640.
80661640 has 16 divisors, whose sum is 181488780
The reverse of 80661640 is 04616608
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million six hundred sixty-one thousand six hundred forty
Scientific notation
8.0661640 × 10^7
Engineering notation
8.0661640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 2016541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20165410
Product of the distinct prime numbers
The prime factorization of 80661640 is 2 × 2 × 2 × 5 × 2016541.
Since it has a total of 5 prime factors.
7 , 6 , 61 , 86 , 353 , 172 , 4813 , 5845 , 28193 , 69926 , 331412 , 639084 , 7797675 , 8965436 , 39899983 , 99207741 , 869812968 , 556127256 , 1049836881 , 4285261781
n×2
161323280
n×3
241984920
n×4
322646560
n×5
403308200
n÷2
40330820
n÷3
26887213.333333
n÷3
20165410
n÷5
16132328
n2
6506300167489600
n3
5.2480884184199E+23
n4
4.2331941869475E+31
n5
3.4145638555765E+39
2 √n
8981.1825501991
3 √n
432.07156164753
4 √n
94.769101241908
5 √n
38.135848142362
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 2016541 , 4033082 , 8066164 , 10082705 , 16132328 , 20165410 , 40330820 , 80661640
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
-80661639
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 80661640 can be divided by 16 positive divisors.
The sum of these divisors (counting 80661640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011101100110010001000
3
Ternary
12121210000222011
4
Quaternary
10303230302020
5
Quinary
131122133030
6
Senary
12000505304
8
Octal
463546210
10
Decimal
80661640
12
Duodecimal
2301b234
16
Hexadecimal
4cecc88
20
Vigesimal
1542e20
36
Base36
1c0ux4
md5
d5fed4e4764d3f1c67b7ec5ff9f541a3
sha1
eba4dac1d005c15fcd3bcdb4a3d89dbf41cf6b66
sha256
964564e3ee7fe3a12450f6efb6b30208d4bc858d4fbd351743559ab9ce7c1db1
sha512
1ccb5debb623614c847e31d3f5da966742080551b67a37bf9dd806b636c4d837673b0325ac0f77341d89e08c53b690854c65b5719c30e355820ec719ae445058
ripemd-160
16faac85b5439373b74306d10ba7d123a49e101c
Diameter
161323280
Circumference
506812031.30101
Area
2.0440144808235E+16
Volume
2.198314136093E+24
Surface area
8.1760579232941E+16
Circumference
506812031.30101
Perimeter
322646560
Area
6506300167489600
Diagonal
114072785.25126
Surface area
39037801004937600
Volume
5.2480884184199E+23
Space diagonal
139710058.70183
Perimeter
241984920
Area
2.8173106148465E+15
Altitude
69855029.350915
Surface area
2.8173106148465E+15
Volume
6.1849315148854E+22
Height
38024261.750419