81194577 is an odd 8-digits composite number following 81194576
and preceding 81194578 . In scientific notation, it is written as 8.1194577 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 49989632 positive integers (up to 81194577) that are relatively prime to 81194577.
81194577 has 16 divisors, whose sum is 116864640
The reverse of 81194577 is 77549118
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty-one million one hundred ninety-four thousand five hundred seventy-seven
Scientific notation
8.1194577 × 10^7
Engineering notation
8.1194577 × 10^6
Prime Factorization
3 × 23 × 29 × 40577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81194577
Product of the distinct prime numbers
The prime factorization of 81194577 is 3 × 23 × 29 × 40577.
Since it has a total of 4 prime factors.
8 , 5 , 72 , 38 , 349 , 577 , 3029 , 4511 , 51945 , 10100 , 131091 , 63249 , 5501928 , 1857966 , 41530306 , 88347672 , 603106702 , 261655339 , 1625635950 , 9680150322
n×2
162389154
n×3
243583731
n×4
324778308
n×5
405972885
n÷2
40597288.5
n÷3
27064859
n÷3
20298644.25
n÷5
16238915.4
n2
6592559334208929
n3
5.352800664885E+23
n4
4.3461838575065E+31
n5
3.5288655987447E+39
2 √n
9010.8033493135
3 √n
433.02104910057
4 √n
94.925251378722
5 √n
38.18610872128
1 , 3 , 23 , 29 , 69 , 87 , 667 , 2001 , 40577 , 121731 , 933271 , 1176733 , 2799813 , 3530199 , 27064859 , 81194577
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
-81194576
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 81194577 can be divided by 16 positive divisors.
The sum of these divisors (counting 81194577) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101110111001010001
3
Ternary
12122210010000120
4
Quaternary
10311232321101
5
Quinary
131241211302
6
Senary
12020140453
8
Octal
465567121
10
Decimal
81194577
12
Duodecimal
23237729
16
Hexadecimal
4d6ee51
20
Vigesimal
157968h
36
Base36
1cca4x
md5
7f6c53ebc57cce4774f0d86fa10b68dc
sha1
1928b01ab6f4fd60d3516fa2c0a33db94420b3a0
sha256
dae0d443b4d2eefdec58dadfdc9cb6fedef4c6d2dbe0515b3f5dfd8e4558402f
sha512
bc78bd2699c88aad606a559025da437cd0efec20795f06d704e120128f8f5fa1504144ead65bab63dc7c9e0915924af391d7609f9e23a3afe4c4b1c126d880fe
ripemd-160
a8248cf8df8597bc9584c49eb13fa4c86aa5fe54
Diameter
162389154
Circumference
510160573.22906
Area
2.0711135972706E+16
Volume
2.2421758993244E+24
Surface area
8.2844543890822E+16
Circumference
510160573.22906
Perimeter
324778308
Area
6592559334208929
Diagonal
114826471.98455
Surface area
39555356005253574
Volume
5.352800664885E+23
Space diagonal
140633132.66306
Perimeter
243583731
Area
2.8546619296906E+15
Altitude
70316566.331532
Surface area
2.8546619296906E+15
Volume
6.3083360808E+22
Height
38275490.661516