81194617 is an odd 8-digits composite number following 81194616
and preceding 81194618 . In scientific notation, it is written as 8.1194617 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 69580980 positive integers (up to 81194617) that are relatively prime to 81194617.
81194617 has 12 divisors, whose sum is 94745856
The reverse of 81194617 is 71649118
Previous prime number is 343
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million one hundred ninety-four thousand six hundred seventeen
Scientific notation
8.1194617 × 10^7
Engineering notation
8.1194617 × 10^6
Prime Factorization
7 × 7 × 343 × 4831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
11599231
Product of the distinct prime numbers
The prime factorization of 81194617 is 7 × 7 × 343 × 4831.
Since it has a total of 4 prime factors.
10 , 1 , 64 , 91 , 855 , 368 , 7461 , 9069 , 51755 , 60907 , 769436 , 784120 , 3661055 , 4505935 , 77526312 , 91852732 , 257043306 , 327003203 , 4180043399 , 3072936075
n×2
162389234
n×3
243583851
n×4
324778468
n×5
405973085
n÷2
40597308.5
n÷3
27064872.333333
n÷3
20298654.25
n÷5
16238923.4
n2
6592565829776689
n3
5.3528085759601E+23
n4
4.3461924219939E+31
n5
3.528874291121E+39
2 √n
9010.8055688712
3 √n
433.02112020893
4 √n
94.925263069802
5 √n
38.186112483708
1 , 7 , 49 , 343 , 2401 , 4831 , 16807 , 33817 , 236719 , 1657033 , 11599231 , 81194617
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81194616
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81194617 can be divided by 12 positive divisors.
The sum of these divisors (counting 81194617) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101101110111001111001
3
Ternary
12122210010002001
4
Quaternary
10311232321321
5
Quinary
131241211432
6
Senary
12020141001
8
Octal
465567171
10
Decimal
81194617
12
Duodecimal
23237761
16
Hexadecimal
4d6ee79
20
Vigesimal
15796ah
36
Base36
1cca61
md5
7ff80e8be424c221b7748a7afc6d4ff6
sha1
e9e2e58d58c9365b400b8eb4d301321315583b82
sha256
e7709c458083b9d4e96ec02cfb4b192a0e5d1e711337accea05361ce729980b8
sha512
418e4f83f2027b692d7e940a326a595e524413117fca379ca662d92eb7bc2bde0299077d8cb38775ef1645dd8537c8aa1af6f4e9f49fa5ebfaa5766538d5c929
ripemd-160
5b9a8a7cb1f1ab9def7640bacebccad8133dbb79
Diameter
162389234
Circumference
510160824.55647
Area
2.0711156379134E+16
Volume
2.2421792131078E+24
Surface area
8.2844625516534E+16
Circumference
510160824.55647
Perimeter
324778468
Area
6592565829776689
Diagonal
114826528.55309
Surface area
39555394978660134
Volume
5.3528085759601E+23
Space diagonal
140633201.9451
Perimeter
243583851
Area
2.8546647423539E+15
Altitude
70316600.972548
Surface area
2.8546647423539E+15
Volume
6.3083454040914E+22
Height
38275509.517696