81446169 is an odd 8-digits composite number following 81446168
and preceding 81446170 . In scientific notation, it is written as 8.1446169 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 46540656 positive integers (up to 81446169) that are relatively prime to 81446169.
81446169 has 8 divisors, whose sum is 124108480
The reverse of 81446169 is 96164418
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million four hundred forty-six thousand one hundred sixty-nine
Scientific notation
8.1446169 × 10^7
Engineering notation
8.1446169 × 10^6
Prime Factorization
3 × 7 × 3878389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81446169
Product of the distinct prime numbers
The prime factorization of 81446169 is 3 × 7 × 3878389.
Since it has a total of 3 prime factors.
4 , 5 , 73 , 62 , 525 , 912 , 8939 , 5246 , 57089 , 62232 , 624956 , 605849 , 7005066 , 6299989 , 62105524 , 88455315 , 201406226 , 571538207 , 2025769861 , 7518533776
n×2
162892338
n×3
244338507
n×4
325784676
n×5
407230845
n÷2
40723084.5
n÷3
27148723
n÷3
20361542.25
n÷5
16289233.8
n2
6633478444776561
n3
5.4027140647113E+23
n4
4.4003036277315E+31
n5
3.5838787291553E+39
2 √n
9024.7531268174
3 √n
433.46784535523
4 √n
94.998700658574
5 √n
38.209744373061
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
-81446168
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 81446169 can be divided by 8 positive divisors.
The sum of these divisors (counting 81446169) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101100010100011001
3
Ternary
12200020220010210
4
Quaternary
10312230110121
5
Quinary
131322234134
6
Senary
12025401333
8
Octal
466542431
10
Decimal
81446169
12
Duodecimal
23339249
16
Hexadecimal
4dac519
20
Vigesimal
1590f89
36
Base36
1cho9l
md5
61fe6cbd2807346c94dc4b8182b81685
sha1
668f6acd272cf53bf55706f2da5fcb862957a57a
sha256
11908694fcf06da74d42058a19a374ced6f70c46670a3a3be4e138f200db9dbc
sha512
3b37530692d9b40a901afac1f1ed99a08617472c6923493da1c4a13395ddc9f1b5d8ea4c8984c028c409a7afc2b06f8ff2813f2fa814c496e10707897debe590
ripemd-160
e32515cb5b5f050d52a7be2b26ef00369de10a1e
Diameter
162892338
Circumference
511741372.38687
Area
2.0839687149856E+16
Volume
2.2630835753524E+24
Surface area
8.3358748599425E+16
Circumference
511741372.38687
Perimeter
325784676
Area
6633478444776561
Diagonal
115182276.80313
Surface area
39800870668659366
Volume
5.4027140647113E+23
Space diagonal
141068902.78984
Perimeter
244338507
Area
2.8723804243165E+15
Altitude
70534451.394921
Surface area
2.8723804243165E+15
Volume
6.3671595866155E+22
Height
38394092.26771