80991618 is an even 8-digits composite number following 80991617
and preceding 80991619 . In scientific notation, it is written as 8.0991618 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 26369280 positive integers (up to 80991618) that are relatively prime to 80991618.
80991618 has 16 divisors, whose sum is 165750816
The reverse of 80991618 is 81619908
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty million nine hundred ninety-one thousand six hundred eighteen
Scientific notation
8.0991618 × 10^7
Engineering notation
8.0991618 × 10^6
Prime Factorization
2 × 43 × 3 × 313921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80991618
Product of the distinct prime numbers
The prime factorization of 80991618 is 2 × 43 × 3 × 313921.
Since it has a total of 4 prime factors.
5 , 3 , 61 , 13 , 611 , 185 , 9761 , 4096 , 53053 , 32868 , 154467 , 826028 , 6031729 , 1889143 , 6073696 , 20197286 , 979153505 , 90889770 , 315264 , 4206485326
n×2
161983236
n×3
242974854
n×4
323966472
n×5
404958090
n÷2
40495809
n÷3
26997206
n÷3
20247904.5
n÷5
16198323.6
n2
6559642186257924
n3
5.3127603416609E+23
n4
4.3028905611735E+31
n5
3.4849806862637E+39
2 √n
8999.5343212857
3 √n
432.65994596517
4 √n
94.865875430977
5 √n
38.16699913161
1 , 2 , 3 , 6 , 43 , 86 , 129 , 258 , 313921 , 627842 , 941763 , 1883526 , 13498603 , 26997206 , 40495809 , 80991618
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
-80991617
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 80991618 can be divided by 16 positive divisors.
The sum of these divisors (counting 80991618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111101010110000010
3
Ternary
12122101210121120
4
Quaternary
10310331112002
5
Quinary
131213212433
6
Senary
12011533110
8
Octal
464752602
10
Decimal
80991618
12
Duodecimal
2315a196
16
Hexadecimal
4d3d582
20
Vigesimal
1563j0i
36
Base36
1c7xj6
md5
1d0dfe2b1e704813be31e08df1d682be
sha1
e1dcb62e17072d60813cd59b18c508e44561bb9e
sha256
a40250af4f02be13763b5caef65cfeec18cccf438bd5de75a41adcd46c49d989
sha512
fffc3c87a36bcb0c4187316745b45a204928b811d114fdae356c50aab38a77bc62b4b8fb5ca3f6d477e69a70b3b20dde700e502b61d983834cd8e7f60fe24aae
ripemd-160
594a925791376d113f8dda75910a79f296fdb38b
Diameter
161983236
Circumference
508885344.2223
Area
2.0607723702526E+16
Volume
2.2254038479527E+24
Surface area
8.2430894810102E+16
Circumference
508885344.2223
Perimeter
323966472
Area
6559642186257924
Diagonal
114539444.61414
Surface area
39357853117547544
Volume
5.3127603416609E+23
Space diagonal
140281597.36321
Perimeter
242974854
Area
2.8404083865177E+15
Altitude
70140798.681605
Surface area
2.8404083865177E+15
Volume
6.2611481073456E+22
Height
38179814.87138