81620006 is an even 8-digits composite number following 81620005
and preceding 81620007 . In scientific notation, it is written as 8.1620006 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 37670760 positive integers (up to 81620006) that are relatively prime to 81620006.
81620006 has 8 divisors, whose sum is 131847744
The reverse of 81620006 is 60002618
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million six hundred twenty thousand six
Scientific notation
8.1620006 × 10^7
Engineering notation
8.1620006 × 10^6
Prime Factorization
2 × 13 × 3139231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81620006
Product of the distinct prime numbers
The prime factorization of 81620006 is 2 × 13 × 3139231.
Since it has a total of 3 prime factors.
2 , 7 , 9 , 54 , 479 , 461 , 4658 , 253 , 6228 , 44954 , 771050 , 380724 , 2880278 , 9196339 , 93340094 , 48906556 , 69778514 , 887630627 , 3133403982 , 2445999308
n×2
163240012
n×3
244860018
n×4
326480024
n×5
408100030
n÷2
40810003
n÷3
27206668.666667
n÷3
20405001.5
n÷5
16324001.2
n2
6661825379440036
n3
5.4373822744085E+23
n4
4.4379917386151E+31
n5
3.6222891233372E+39
2 √n
9034.3791153571
3 √n
433.77602110612
4 √n
95.049350946532
5 √n
38.22604128136
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
-81620005
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 81620006 can be divided by 8 positive divisors.
The sum of these divisors (counting 81620006) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111010110110000100110
3
Ternary
12200120201121012
4
Quaternary
10313112300212
5
Quinary
131343320011
6
Senary
12033222222
8
Octal
467266046
10
Decimal
81620006
12
Duodecimal
23401972
16
Hexadecimal
4dd6c26
20
Vigesimal
15a2a06
36
Base36
1cleee
md5
44ca6bc9a114d82d81c3d70ec5b0e269
sha1
d3684aaeb5b329b4a9aee579c1a7f1dbf0a4f679
sha256
e63f5f22d8f652a84ba9f54fa2c0ba9f782beabf4c64a4a67feb740325888600
sha512
913ca627b0378a60f7adb7f3ef93262848595fa76b7c49768ad4fbdc458068d8122c3cf1a314da9d882e2dbb29ac20b0747762a93fbdd4943c7577ad6c3db64c
ripemd-160
6c774cc2f42204508e76877d2a3d9745e8fcd3a2
Diameter
163240012
Circumference
512833622.47111
Area
2.0928741671547E+16
Volume
2.2776053610721E+24
Surface area
8.3714966686187E+16
Circumference
512833622.47111
Perimeter
326480024
Area
6661825379440036
Diagonal
115428119.44617
Surface area
39970952276640216
Volume
5.4373822744085E+23
Space diagonal
141369997.30608
Perimeter
244860018
Area
2.8846550070855E+15
Altitude
70684998.653038
Surface area
2.8846550070855E+15
Volume
6.4080164635629E+22
Height
38476039.815391