81406475 is an odd 8-digits composite number following 81406474
and preceding 81406476 . In scientific notation, it is written as 8.1406475 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 63364320 positive integers (up to 81406475) that are relatively prime to 81406475.
81406475 has 8 divisors, whose sum is 86951904
The reverse of 81406475 is 57460418
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million four hundred six thousand four hundred seventy-five
Scientific notation
8.1406475 × 10^7
Engineering notation
8.1406475 × 10^6
Prime Factorization
25 × 37 × 88007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81406475
Product of the distinct prime numbers
The prime factorization of 81406475 is 25 × 37 × 88007.
Since it has a total of 3 prime factors.
8 , 4 , 24 , 49 , 564 , 89 , 8373 , 6567 , 95360 , 85957 , 564768 , 671687 , 685852 , 1157314 , 93518790 , 382740 , 355978415 , 972583273 , 751650896 , 3085709150
n×2
162812950
n×3
244219425
n×4
325625900
n×5
407032375
n÷2
40703237.5
n÷3
27135491.666667
n÷3
20351618.75
n÷5
16281295
n2
6627014171925625
n3
5.3948186351151E+23
n4
4.3917316834903E+31
n5
3.5751539549876E+39
2 √n
9022.5536850716
3 √n
433.39741491496
4 √n
94.987123785657
5 √n
38.206019229516
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
-81406474
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 81406475 can be divided by 8 positive divisors.
The sum of these divisors (counting 81406475) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110100010101000001011
3
Ternary
12200011212200122
4
Quaternary
10312202220023
5
Quinary
131320001400
6
Senary
12024453455
8
Octal
466425013
10
Decimal
81406475
12
Duodecimal
2331a28b
16
Hexadecimal
4da2a0b
20
Vigesimal
158fg3f
36
Base36
1cgtmz
md5
e4143fda66c44720f02cbde5989a5f71
sha1
6248e0286e48d2e2d211c4630838a2013bdc460b
sha256
531cef30e04f39e57c856e7190b920d3d0361ee27fffdd09eb9c7250cac443fa
sha512
3770f6e950b67f4f8d653136dc77bc7402010988e0807a7b78cfccea140ca833d556973fa78abd0aba6608cc636c182671201282740d866fa21f2adbcee53e2e
ripemd-160
1bcced13c0214e2884b089081a4153c13e68712f
Diameter
162812950
Circumference
511491967.62928
Area
2.0819379037757E+16
Volume
2.2597763455369E+24
Surface area
8.3277516151028E+16
Circumference
511491967.62928
Perimeter
325625900
Area
6627014171925625
Diagonal
115126141.00999
Surface area
39762085031553750
Volume
5.3948186351151E+23
Space diagonal
141000150.76509
Perimeter
244219425
Area
2.8695813120635E+15
Altitude
70500075.382543
Surface area
2.8695813120635E+15
Volume
6.3578547336024E+22
Height
38375380.336662